Bobcat 331 Owners Manual
. 331E Operation & Maintenance Manual 331 - S/N 234311001 & Above 331E - S/N 234411001 & Above 334 - S/N 234511001 & Above (G Series) 6902612-EN (01-04) (1) Printed in Europe © Bobcat Europe 2004. Never modify equipment. Read machine signs and Be sure controls are in Operation & Maintenance neutral before starting.
Buy Bobcat 331, 331E, 334 Compact Excavator Repair Workshop Service Manual - Part Number # 6902743: Software - Amazon.com ✓ FREE DELIVERY. Read this manual completely and get to know the Bobcat Excavator before operating and. And extra Operation & Maintenance Manuals are also available.
Never use attachments Manual. Not approved by Bobcat Sound horn and check Company. Behind machine before starting. WRONG CORRECT WRONG CORRECT 15°. SPECIFICATIONS.
SPEC-1 PREVENTIVE MAINTENANCE REFERENCE INFORMATION Write the correct information for YOUR Excavator in the spaces below. Always use SYSTEM SET-UP these numbers when referring to your Bobcat Excavator. & ANALYSIS Bobcat Excavator Serial Number Engine Serial Number SPECIFICATIONS NOTES ®. 331/331E/334 Excavator Operation & Maintenance Manual. BOBCAT COMPANY IS ISO 9001:2000 CERTIFIED.V BOBCAT EXCAVATOR IDENTIFICATION. VIII DELIVERY REPORT. 331/331E/334 Excavator Operation & Maintenance Manual.
British Standards Institute (BSI) is the Certified Registrar Bobcat chose to assess the Company’s compliance with the ISO 9001:2000 set of standards. The BSI registration certifies that the two Bobcat manufacturing plants and the Bobcat corporate offices (Gwinner, Bismarck & West Fargo) in North Dakota are in compliance with ISO 9001:2000. Only certified assessors, such as BSI, can grant registrations. 331/331E/334 Excavator Operation & Maintenance Manual. B-16315 The delivery report must be filled in by the dealer and signed by the owner or operator when the Bobcat Excavator is delivered.
An explanation of the form must be given to the owner. Make sure it is filled in completely Figure 4. CYLINDER TIE DOWNS/ BUCKET LIFT POINTS RIGHT SIDE.CANOPY/CAB COVER (ROPS/TOPS) TAILGATE BLADE TRACK FRAME TRACK SUPERSTRUCTURE B-19948 DOWN TRACK B-19949.
FOGS (Falling Object Guards) is available from your Bobcat Excavator dealer. 331/331E/334 Excavator viii Operation & Maintenance Manual. Auxiliary Hydraulics. Hydraulic and Travel Control Lock-outs See your Bobcat dealer for more details on these and. Blade Float other attachments and field accessories.
Working Lights - Boom and Frame Mounted. 331/331E/334 Excavator Operation & Maintenance Manual. SAFETY INSTRUCTIONS.XIII SAFETY Before Operating the Bobcat Compact Excavator.xiv INSTRUCTIONS Fire Prevention. 331/331E/334 Excavator Operation & Maintenance Manual. Rated Lift Capacity and secure fastening to the Bobcat Excavator. The user must check with the dealer or Bobcat literature to determine safe loads of materials of specified densities for the Excavator-attachment combination.
W-2044-1285 The Bobcat Excavator and attachment must be in good operating condition before use. Check all of the items on the Bobcat Service Schedule Decal under the 8-10 hour column or as shown in the Operation & Maintenance Manual. SAFE OPERATION NEEDS A QUALIFIED OPERATOR. Fire extinguishers are arcs or sparks. Available from your Bobcat dealer. Flammable debris (leaves, straw, etc) must be removed regularly. If flammable debris is allowed to accumulate, it can cause a fire hazard.
MACHINE SIGNS (TRANSFERS) Follow the instructions on all the Machine Signs (Transfers) on the Excavator. Replace any damaged machine signs and be sure they are in the correct locations. Machine signs are available from your Bobcat Excavator dealer. LEFT CONSOLE AREA 6808481 OPERATOR’S. MACHINE SIGNS (TRANSFERS) (CONT’D) Follow the instructions on all the Machine Signs (Transfers) on the Excavator. Replace any damaged machine signs and be sure they are in the correct locations. Machine signs are available from your Bobcat Excavator dealer.
(Cab Option). 331/331E/334 Excavator xviii Operation & Maintenance Manual.
OPERATING INSTRUCTIONS ATTACHMENTS.OI-29 Auxiliary Hydraulics. OPERATING INSTRUCTIONS (CONT’D) OPERATING PROCEDURE.OI-34 Backfilling.OI-38 Boom Swing. INSTRUMENTS AND CONSOLES Horn - (Item 2) Figure OI-2 Press the button on the Control Lever to sound the horn. Cab Interior Light (If Equipped) Heater/Air Conditioner (with Cab Option Only) Figure OI-1 Fan Motor - (Item 3) Figure OI-2 Turn clockwise to increase fan speed. INSTRUMENTS AND CONSOLES (CONT’D) STOP - Key switch OFF; engine stopped Right Console - Position when the engine is running. START - Start engine. Figure OI-3 NOTE: Always turn key switch and all accessories to OFF position when the engine is stopped the battery will discharge if the key is left ON.
INSTRUMENTS AND CONSOLES (CONT’D) Function Icons The table below shows the Icons, their function and other important information. CONDITION/ REF. FUNCTION ICON/LIGHT ALARM DESCRIPTION CODE Auxiliary Hydraulics CONTINUOUS Auxiliary Hydraulics Button pressed, hydraulic functions available. FLASHING 3 Beeps Error o Error with Auxiliary Hydraulics.
INSTRUMENTS AND CONTROLS (CONT’D) Raising And Lowering The Console Superstructure Slewing Lock Raise the console before exiting the cab. Figure OI-5 Figure OI-6 P-49281 P-49126 Push the lever down (Item 1) Figure OI-5 to engage the Pull up on the release handle Figure OI-6. The lifting superstructure slewing lock. Changes to the cab can cause loss of operator protection from rollover and falling objects, and result in injury or death. W-2069-1299 The Excavator has an operator canopy (ROPS/TOPS - Roll Over Protective Structure/Tip Over Protective Structure) as standard equipment.
FALLING OBJECT GUARDS (FOGS) Figure OI-9 Not available at time of print A cab or canopy FOGS (Falling Object Guards) (Item 1) Figure OI-9 is available as a field-installed accessory. The FOGS provides additional protection from heavier objects falling on the cab/canopy. For the cab or canopy to meet the FOGS (Falling Object Guards) (ISO 10262-level 1), the Excavator must have the overhead guard (Item 1) Figure OI-9 and Special. OPERATOR CAB (ROPS/TOPS) Figure OI-12 Emergency Exit The left door, front window and right rear window provide exits. Figure OI-10 P-49118 Exit through the window Figure OI-12 Figure OI-13 P-49176 Pull forward on the latch (Item 1) Figure OI-10.
Figure OI-11 P-49127 Raise the front window and exit through the window Figure OI-13. OPERATOR CAB (ROPS/TOPS) (CONT’D) Cab Door Figure OI-14 P-42570 The cab door (Item 1) Figure OI-14 can be locked with the same key as the starter switch (if equipped).
Figure OI-15 P-49283 Push the door all the way open until the latch engages to hold the door in the open position. Opening The Front Window OPERATOR CAB (ROPS/TOPS) (CONT’D) Front Window Figure OI-17 Figure OI-16 P-49097 P-49095 Retract the two top window latch pins (Item 1) Figure OI-17.
The front window is equipped with a wiper (Item 1) Figure OI-16 and washer. Figure OI-18 P-49098 Turn the two top latches (Item 1) Figure OI-18 to the. Closing The Front Window OPERATOR CAB (ROPS/TOPS) (CONT’D) Front Window (Cont’d) Support the window while releasing both window latch pins and placing the pins in the unlocked position Figure OI-19 Figure OI-20.
Support the window using the left grab handle and pull down on the latch (Item 1) Figure OI-20 to release the window. Opening the right front window OPERATOR CAB (ROPS/TOPS) (CONT’D) Right Side Windows Figure OI-23 Opening the right rear window Figure OI-21 P-49119 Pull back on the latch (Item 1) Figure OI-23.
P-49176 Figure OI-24 Pull out on the latch (Item 1) Figure OI-21. Figure OI-22 P-49120 Pull the latch/handle (Item 1) Figure OI-24 back to open. OPERATOR CAB (ROPS/TOPS) (CONT’D) Figure OI-27 Heating, Ventilation, and Air Conditioning Duct There are two HVAC ducts which the operator may install. Figure OI-25 P-42587 Remove the screw and pull straight up to remove the duct (Item 1) Figure OI-27.
P-42587 The small duct (Item 1) Figure OI-25 is standard for heater use. OPERATOR CAB (ROPS/TOPS) (CONT’D) Heating, Ventilation, and Air Conditioning Duct (Cont’d) Figure OI-28 P-42588 Place the air conditioning duct (Item 1) on the housing and over the locking stud (Item 2) Figure OI-28. Install the screw (Item 3) Figure OI-28. Figure OI-29 P-42590 Fully seat the duct and rotate the lock (Item 1). STEERING LEVERS/FOOT PEDALS Turning Forward And Reverse Travel Right Turn NOTE: The following procedures describe forward, Figure OI-31 reverse, left and right as seated in the Right Turn operator’s seat.
(Forward) Figure OI-30 Forward Neutral Reverse B-19992 Push the left steering lever forwards to turn right Figure OI-31 while travelling forward. STEERING LEVERS/FOOT PEDALS (CONT’D) Figure OI-35 Turning (Cont’d) Left Turn (Reverse) Counter - Rotation Right Turn Figure OI-33 Counter-Rotation (Right Turn) B-19990 Pull the right steering lever backwards to turn left while travelling backward Figure OI-35.
Counter-Rotation Left Turn B-19988 Figure OI-36 Push the left steering lever forwards and pull the right Counter-Rotation. HYDRAULIC CONTROLS Right Control Lever ISO Control Pattern Figure OI-39 Left Control Lever Figure OI-37 P-16615 P-49130 Figure OI-40 P-16615 P-42159 Figure OI-38 B-21924 The right lever is used to operate the boom and bucket Figure OI-39 & Figure OI-40. B-21923 Boom lower. BLADE CONTROL LEVER BOOM SWING PEDAL Figure OI-41 Figure OI-42 P-49128 P-49129 Pull the lever backwards to raise the blade (Item 1) Release the pedal lock and pivot the heel of the pedal to Figure OI-41.
The rear (Item 1) Figure OI-42. Push the lever forwards to lower the blade (Item 2) Push the toe of the pedal (Item 2) to swing the boom to Figure OI-41. Failure to do so will result in excessive wear and early failures. The Service Schedule is a guide for correct maintenance of the Bobcat Excavator (See Service Schedule on Page OI-21). It is located inside the rear door of the Excavator. DAILY INSPECTION (CONT’D) Service Schedule 6817082 331/331E/334 Excavator OI-21 Operation & Maintenance Manual.
PRE-STARTING PROCEDURE Figure OI-46 Figure OI-44 P-42163 P-49239 Release the seat lever (Item 1) Figure OI-46 to adjust the seat forwards or backwards. Read and understand the Operation & Maintenance Manual (Item 1) and the Operator’s Handbook (Item 2) Turn the handle (Item 2) to change the adjustment for Figure OI-44 before operating.
NOTE: If the control lock switch does not deactivate Put control levers (Item 1) Figure OI-49 in the neutral the control levers and traction system when position. Console is raised, see your Bobcat dealer for service. WARNING AVOID INJURY OR DEATH. STARTING THE ENGINE Stop the engine if the warning lights and alarm do not go OFF. Check for the cause before starting the engine Key Switch again. Perform the PRE-STARTING PROCEDURE (See PRE- Turn the key switch OFF to stop the engine.
STARTING PROCEDURE on Page OI-22). STARTING THE ENGINE (CONT’D) NOTE: If the password was incorrect there will be three short beeps and “Error” will appear on Keyless Start the LCD.
Press the ENTER CODE Button again and start again. After three failed attempts, you Perform the PRE-STARTING PROCEDURE (See PRE- must wait three minutes to try again. Key Switch (Standard Panel) STARTING THE ENGINE (CONT’D) Cold Temperature Starting Procedure Figure OI-55 If the temperature is below freezing, perform the following to make starting the engine easier:. Replace the engine oil with the correct type and STOP viscosity for the anticipated starting temperature. STARTING THE ENGINE (CONT’D) Cold Temperature Starting Procedure (Cont’d) Keyless Start (Deluxe Panel) Follow STARTING PROCEDURE See “Keyless Start” on Page OI-25. If the preheat icon comes ON, wait for it to disappear before pressing the START Button Figure OI-56 on Page OI-26.
WARMING THE HYDRAULIC SYSTEM IMPORTANT When the temperature is below -20°F (-30°C), hydrostatic oil must be warmed before starting. The hydrostatic system will not get enough oil at low temperatures and will be damaged. Park the machine in an area where the temperature will be above 0°F (-18°C) if possible. X-Change™ pins (Item 1) engage the hooks (Item 2) Figure OI-59 on the Never use attachments or buckets which are not bucket. Approved Bobcat Company. Buckets attachments for safe loads of specified densities are Figure OI-60 approved for each model. Using The X-Change™ System (Cont’d) Installing Bucket Or Attachment WARNING Never use attachments or buckets which are not approved Bobcat Company.
Buckets attachments for safe loads of specified densities are approved for each model. Unapproved attachments can cause injury or death. ATTACHMENTS (CONT’D) Using The X-Change™ System (Cont’d) Installing Bucket Or Attachment (Cont’d) Figure OI-64 P19396 Lower the boom until the hooks (Item 1) of the bucket disengage the pins (Item 2) of the X-Change™ and the plate (Item 3) Figure OI-64 engages in the bucket cross member. To Connect: ATTACHMENTS (CONT’D) Using The X-Change™ System (Cont’d) Remove any dirt or debris from the surface of both the male and female couplers, and from the outside diameter Quick Couplers of the male coupler. Visually check the couplers for corroding, cracking, damage, or excessive wear.
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ATTACHMENTS (CONT’D) Relieving Hydraulic Pressure Using The X-Change™ System (Cont’d) Stop the engine and turn the key to ON (Standard) or press ENTER CODE Button (Deluxe). Auxiliary Hydraulics Press AUX HYD Button (Item 1) Figure OI-67 and then Figure OI-67 move the switch (Item 1) Figure OI-68 to the right and left several times. OPERATING PROCEDURE Make sure the load is evenly weighted and centred on the lifting chain, and is secured to prevent the load from Lowering The Work Equipment With Engine Stopped shifting Figure OI-70. If the engine stops, the work equipment (boom/bucket, Lift and position the load.
OPERATING PROCEDURE (CONT’D) Figure OI-74 Excavating Lower the blade to provide stability. Figure OI-72 MS1854 Raise the boom, retract the arm and curl the bucket Figure OI-74. Rotate the superstructure. MS1855 NOTE: Do not allow the bucket teeth to contact the Extend the arm, lower the boom, and open the bucket ground when swinging the superstructure.
OPERATING PROCEDURE (CONT’D) Figure OI-76 Excavating (Cont’d) WRONG Figure OI-75 MS1857 Do not dig under the Excavator Figure OI-76. B-19943 Do not use the bucket as a breaker or pile driver.
It is better to excavate hard or rocky ground after breaking it Extend the arm and uncurl the bucket to dump the with other equipment. OPERATING PROCEDURE (CONT’D) Figure OI-79 Boom Swing Figure OI-77 B-19996 Slew the superstructure, swing the boom to the right Figure OI-77, centre Figure OI-78 left B-19994 Figure OI-79 to dig a square hole the width of the machine without repositioning the Excavator. Figure OI-78 Figure OI-80 B-19995. OPERATING PROCEDURE (CONT’D) Figure OI-82 Backfilling Figure OI-81 Plank B-19963 If one or both tracks have become stuck in soft or wet ground, raise one track at a time by turning the B-19940 upperstructure and pushing the bucket against the ground Figure OI-82.
OPERATING PROCEDURE (CONT’D) Figure OI-85 Operating On Slopes Travelling Up Slopes When going down a slope, control the speed with the steering levers and the speed control lever. Figure OI-84 Travelling Down or Backing Up Slopes 12 in. (304 mm) 15°. OPERATING PROCEDURE (CONT’D) Figure OI-88 Operating On Slopes (Cont’d) Forward Figure OI-87 Neutral Recommended Position For Working On A Slope Reverse P-49125 To brake the machine when going down a slope, move the steering levers (Item 1) Figure OI-88 to the NEUTRAL B-19935 position.
OPERATING PROCEDURE (CONT’D) Extending The Arm (331E Only) Operating In Water The arm can be extended to increase the reach of the Excavator. Mud and water should be removed from the machine before parking. In freezing temperatures, park the Figure OI-90 machine on boards or concrete to prevent the track or undercarriage from freezing to the ground and preventing machine movement. PARKING THE EXCAVATOR Figure OI-93 Stop the machine on level ground.
Lower the work equipment and the blade to the ground. Figure OI-92 STOP START 6808261 Figure OI-94 P-49179 Move the speed control lever fully backwards (Item 1) Figure OI-92. Run the engine at idle speed for about 5 minutes to allow it to cool. TRANSPORTING THE EXCAVATOR Figure OI-96 When transporting the machine, observe the rules, motor vehicle laws, and vehicle limit ordinances. Use a transport and towing vehicle of adequate length and capacity.
Secure the parking brakes and block the wheels of the transport vehicle. LIFTING THE EXCAVATOR Figure OI-100 Figure OI-98 P-49276 P-49275 Fasten chains to the ends of the blade (Item 1) Figure OI-98 and Figure OI-99 and up to a lifting Fully extend the cylinders of the bucket, arm, and boom fixture above the canopy/cab. The lifting fixture must so that the Excavator is in the position as shown extend over the sides of the canopy/cab to prevent the Figure OI-98. PREVENTIVE MAINTENANCE AIR CLEANER.PM-8 Daily Check. PREVENTIVE MAINTENANCE (CONT’D) LUBRICATION OF THE HYDRAULIC EXCAVATOR.PM-33 MAINTENANCE SAFETY.PM-3 SEAT BELT. Maintenance procedures which are not in the Operation & Maintenance manual must be performed ONLY BY QUALIFIED BOBCAT SERVICE PERSONNEL. Always use genuine Bobcat replacement parts.
The Service Safety Training course is available from your Bobcat dealer. 331/331E/334 Excavator PM-4 Operation & Maintenance Manual. Replace fuel filter.
Radiator, Oil Cooler,.A/C Clean debris from the radiator fins. Engine Oil and Filter Replace oil and filter use CD or better grade oil and Bobcat filter. Primary Hydraulic Filter Replace the primary hydraulic filter. Case Drain Filter Replace the case drain filter.
TAILGATE Adjusting The Bumper Opening And Closing The Tailgate Figure PM-2 WARNING AVOID INJURY OR DEATH Never service or adjust the machine when the engine is running unless instructed to do so in the manual. W-2012-0497 WARNING P-49243 Keep the rear door closed when operating the machine. RIGHT SIDE COVER Opening And Closing The Right Side Cover Figure PM-4 P-49244 Pull the latch (Item 1) Figure PM-4 and raise the right side cover. NOTE: The right side cover can be locked using the start key. 331/331E/334 Excavator PM-7 Operation &. AIR CLEANER SERVICE SCHEDULE (See “SERVICE SCHEDULE” on Page PM-5.) for the correct service interval.
Daily Check Figure PM-5 P-49245 Check the condition indicator (Item 1) Figure PM-5. If the red ring shows in the condition indicator, the filter needs to be replaced. Replace the inner filter every third time the outer filter is replaced or as indicated. Inner Filter AIR CLEANER (CONT’D) Replacing The Filters Only replace the inner filter under the following conditions: Outer Filter.
Replace the inner filter every third time the outer filter is replaced. Release the two fasteners (Item 2) Figure PM-5. / or the webbing is packed with dirt, the webbing strength may have weakened. See your Bobcat dealer for approved seat belt system replacement parts for your machine. 331/331E/334 Excavator PM-10 Operation &. HEATER AIR FILTER (WITH CAB OPTION ONLY) Figure PM-12 Removal And Installation The heater filter must be cleaned regularly. The filter is located at the left of the operator seat.
Figure PM-10 P-42168 Installation: Install the filter with the arrows that indicate air flow direction (Item 1) Figure PM-12 pointing towards the heater/AC housing. FUEL SYSTEM Filling The Fuel Tank Fuel Specifications Figure PM-13 Use only clean, high quality diesel fuel, Grade No. 2 or Grade No. The following is a suggested blending guideline which should prevent fuel gelling problems during freezing temperature Temp.
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FUEL SYSTEM (CONT’D) Draining The Fuel Tank Removing Water From The Fuel Filter SERVICE SCHEDULE (See “SERVICE SCHEDULE” on Page PM-5.) for the correct service Open the tailgate. Figure PM-14 Figure PM-15 P-49259 P-49251 Loosen the drain (Item 1) Figure PM-14 at the bottom of Remove the hose (Item 1) Figure PM-15 from the fuel the filter to drain water from the filter. FUEL SYSTEM (CONT’D) Removing Air From The Fuel System Fuel Filter After replacing the fuel filter or when the fuel tank has run out of fuel, air must be removed from the fuel system SERVICE SCHEDULE (See “SERVICE before starting the engine. ENGINE LUBRICATION SYSTEM Oil Chart Checking Engine Oil Figure PM-19 Check the engine oil after every 8-10 hours of operation and before starting the engine. Figure PM-18 P-49252 Open the tailgate and remove the dipstick (Item 1) Figure PM-18. Use a good quality motor oil that meets the correct API Service Classification.
P-49255 Remove the oil filter (Item 1) Figure PM-22 and clean the filter housing surface. Use a genuine Bobcat replacement filter. Put clean oil on the filter gasket. Install the filter and hand tighten. Install and tighten the oil cap.
COOLING SYSTEM Check the cooling system every day to prevent over- heating, loss of performance or engine damage. Cleaning The Cooling System NOTE: Allow the cooling system and engine to cool before servicing or cleaning the cooling system.
Open the right side cover. Figure PM-24 P-49257 Use air pressure or water pressure to clean the radiator.
COOLING SYSTEM (CONT’D) IMPORTANT Checking Coolant Level AVOID ENGINE DAMAGE WARNING Always use the correct ratio of water to antifreeze. Much antifreeze reduces cooling system Do not remove radiator cap when the engine is hot.
Efficiency and may cause serious premature engine You may be seriously burned. COOLING SYSTEM (CONT’D) Figure PM-28 Replacing The Coolant SERVICE SCHEDULE (See “SERVICE SCHEDULE” on Page PM-5.) for correct service intervals. WARNING Do not remove radiator cap when the engine is hot. You may be seriously burned. W-2070-1285 P-49270 Figure PM-26 Put a hose on the drain valve on the engine block.
ELECTRICAL SYSTEM Fuse And Relay Location Description A notice is inside the cover to show location and amp ratings. Figure PM-29 Remove the cover to check or replace the fuses and relays. Figure PM-30 P-49261 The Excavator has a 12 volt, negative earth electrical system. ELECTRICAL SYSTEM (CONT’D) WARNING Using A Booster Battery (Jump-Starting) Batteries contain acid which burns eyes and skin on IMPORTANT contact. Wear goggles, protective clothing and rubber gloves to keep acid off body. In case of acid contact, wash immediately with water.
When jump-starting the Excavator from a battery installed in a second machine, make sure the second In case of eye contact get prompt medical attention. ELECTRICAL SYSTEM (CONT’D) WARNING Removing And Installing The Battery Open the right side cover.
Batteries contain acid which burns eyes and skin on contact. Wear goggles, protective clothing and rubber Figure PM-32 gloves to keep acid off body. In case of acid contact, wash immediately with water. In case of eye contact get prompt medical attention and wash eye with clean, cool water for at least 15 minutes. HYDRAULIC SYSTEM Figure PM-34 Checking And Adding Hydraulic Oil Put the machine on a flat level surface. Retract the arm and bucket cylinders, put the bucket on the ground and lower the blade.
Stop the engine. Open the tailgate.
Figure PM-33 P-49264 Check the condition of the fill strainer screen (Item 1) Figure PM-34. HYDRAULIC SYSTEM (CONT’D) Figure PM-36 Replacing The Hydraulic Oil SERVICE SCHEDULE (See “SERVICE SCHEDULE” on Page PM-5.) for the correct service interval. WARNING Diesel fuel or hydraulic fluid under pressure can penetrate skin or eyes, causing serious injury or death. Fluid leaks under pressure may not be visible.
P-22626 Use a piece of cardboard or wood to find leaks. HYDRAULIC SYSTEM (CONT’D) Replacing The Case Drain Filter Replacing The Hydraulic Filter Open the right side cover.
SERVICE SCHEDULE (See “SERVICE Remove the filter (Item 2) Figure PM-37. SCHEDULE” on Page PM-5.) for the correct service interval.
Clean the housing where the filter gasket makes contact. Open the right side cover. HYDRAULIC SYSTEM (CONT’D) Diagnostic Couplers Open the right side cover. Figure PM-38 P-49267 Diagnostic couplers (Item 1) Figure PM-38 are located on the hydraulic circuitry. The couplers may be used to check circuit pressures. 331/331E/334 Excavator PM-26 Operation & Maintenance Manual. SPARK ARRESTER SILENCER Remove the plug (Item 1) Figure PM-39 from the bottom of the silencer.
SERVICE SCHEDULE (See “SERVICE SCHEDULE” on Page PM-5.) for the correct service Start the engine and run for about 10 seconds while a interval. Second person, wearing safety glasses, holds a piece of wood over the outlet of the silencer. Rubber Track Clearance TRACK TENSION NOTE: The wear of the pins and bushings on the Figure PM-41 undercarriage will vary with the working conditions and the different types of soil. It is necessary to inspect track tension and maintain the correct tension. (See ’SERVICE SCHEDULE’. TRACK TENSION (CONT’D) Figure PM-45 Steel Track Clearance Figure PM-43 Track Frame 0.680-1.180” (17.3-30 mm) Track P-42471 Add grease to the fitting (Item 1) Figure PM-45 until the track tension is correct.
B-15022 Figure PM-46 Measure the track clearance at the middle track roller. Do not get fingers into pinch points between the track and the track roller. ENGINE ACCESSORY DRIVE BELT Belt Adjustment Belt Tension Figure PM-48 Open the tailgate. Figure PM-47 P-49236 Loosen the nut (Item 1) on the belt idler pulley. Loosen the nut (Item 2) and tighten the bolt (Item 3) Figure PM-48 P-49269 until the belt tension is correct. TRAVEL MOTOR Draining The Travel Motor Checking Oil Level SERVICE SCHEDULE (See “SERVICE SCHEDULE” on Page PM-5.) for the correct service Figure PM-49 interval. Park the Excavator on a level surface with plugs (Item 1 & 2) Figure PM-49 in the position shown.
Remove both plugs and drain the lubricant into a container. X-CHANGE ™ Inspection And Maintenance Figure PM-50 P-49712 Inspect the X-Change for wear or damage.
Inspect the X-Change pins (Item hooks (Item Figure PM-50 (on the attachment) for wear or damage. Repair or replace damaged parts. 331/331E/334 Excavator PM-32 Operation & Maintenance Manual. LUBRICATION OF THE HYDRAULIC EXCAVATOR Figure PM-52 Lubricate the Hydraulic Excavator as specified in the SERVICE SCHEDULE (See “SERVICE SCHEDULE” on Page PM-5.) for the best performance of the machine. Always use a good quality lithium-based multipurpose grease when lubricating the machine. Apply the lubricant until extra grease shows. LUBRICATION OF THE HYDRAULIC EXCAVATOR Figure PM-56 (CONT’D) Figure PM-54 P-19385 17.
X-Change Latch (1) Figure PM-56 P-42464 18. X-Change Pivot Pin (2) Figure PM-56 11. Arm Cylinder Rod End (1) Figure PM-54 Figure PM-57 12. Arm Pivot (1) Figure PM-54 13. LUBRICATION OF THE HYDRAULIC EXCAVATOR (CONT’D) Figure PM-58 P-49271 22. Tailgate Hinge (2) Figure PM-58.
331/331E/334 Excavator PM-35 Operation & Maintenance Manual. 331/331E/334 Excavator PM-36 Operation & Maintenance Manual. SYSTEM SET-UP AND ANALYSIS DELUXE INSTRUMENT PANEL SET-UP.SA-4 Changing The Operator Password.
SA-4 Passwords. 331/331E/334 Excavator SA-2 Operation & Maintenance Manual. DIAGNOSTICS SERVICE CODE Number Codes List CODE CODE 02-16 Hydraulic charge filter not connected 20-02 Two speed output error ON 02-17 Hydraulic charge filter plugged 20-03 Two speed output error OFF 03-09 Battery voltage low 21-02 Glow plug output error ON 03-10 Battery voltage high 21-03. Master Password: A permanent, randomly selected password is set at the factory which cannot be changed.
This password is used for service by the Bobcat dealer if the Owner B-15819 Password is not known; or to change the Owner Password. DELUXE INSTRUMENT PANEL SET-UP (CONT’D) Job Clock Password Lock-out Feature The JOB CLOCK can be set to record accumulated hours for a particular job. This allows the operator to Unlock the password feature so that a password does not need to be used every time Press and release the HOURS/JOB/RPM button (Item 4) you start the engine. 331/331E/334 Excavator SA-6 Operation & Maintenance Manual. SPECIFICATIONS Attachments.SPEC-19 Controls.
331/331E/334 Excavator SPEC-2 Operation & Maintenance Manual. SPECIFICATIONS Dimensions 331 Excavator. All dimensions in mm. MS1884 331/331E/334 Excavator SPEC-3 Operation & Maintenance Manual. SPECIFICATIONS (CONT’D) Dimensions 331E Excavator. All dimensions in mm. Arrows show dimensions with dipperstick extension extended ( ) and retracted ( ).
MS1886 331/331E/334 Excavator SPEC-4 Operation & Maintenance Manual. SPECIFICATIONS (CONT’D) Dimensions 334 Excavator. All dimensions in mm. MS1885 331/331E/334 Excavator SPEC-5 Operation & Maintenance Manual. SPECIFICATIONS (CONT’D) Working Range 331 Excavator. All dimensions in mm. MS1887 331/331E/334 Excavator SPEC-6 Operation & Maintenance Manual.
SPECIFICATIONS (CONT’D) Working Range 331E Excavator. All dimensions in mm.
Arrows show dimensions with dipperstick extension extended ( ) and retracted ( ). MS1887 331/331E/334 Excavator SPEC-7 Operation & Maintenance Manual.
SPECIFICATIONS (CONT’D) Working Range 334 Excavator. All dimensions in mm. MS1887 331/331E/334 Excavator SPEC-8 Operation & Maintenance Manual. SPECIFICATIONS (CONT’D) Lift Capacity 331 Excavator Note: Lift point is bucket hinge pin with standard bucket attached and bucket cylinder fully extended. Rated lift capacity over blade, blade down, 235 kg counterweight Lift point Maximum radius Lift at max.
Lift at 2000 mm Lift at 3000 mm Lift at 4000 mm height H (mm). SPECIFICATIONS (CONT’D) Lift Capacity 331E Excavator Note: Lift point is bucket hinge pin with standard bucket attached and bucket cylinder fully extended.
Rated lift capacity over blade, blade down, 235 kg counterweight Lift Maximum Maximum Lift at max. Lift at Lift at Lift. SPECIFICATIONS (CONT’D) Lift Capacity 334 Excavator Note: Lift point is bucket hinge pin with standard bucket attached and bucket cylinder fully extended. Rated lift capacity over blade, blade down, 235 kg counterweight Lift point Maximum radius Lift at max. Lift at 2000 mm Lift at 3000 mm Lift at 4000 mm height H (mm). SPECIFICATIONS (CONT’D) Performance 331 Excavator Digging force, dipperstick (ISO 6015) 18794 N Digging force, bucket (ISO 6015) 31136 N Drawbar pull (theoretical at 78.5% efficiency) 31580 N Ground pressure with ROPS canopy and rubber tracks 29,4 kPa Ground pressure with ROPS cab and rubber tracks 30,5 kPa Ground pressure with ROPS canopy and steel tracks 30,0 kPa. SPECIFICATIONS (CONT’D) Function Time 331E Excavator Boom raise time 3,9 s Boom lower time 5,1 s Bucket curl time 2,6 s Bucket dump time 1,6 s Dipperstick retract time 3,1 s Dipperstick extend time 2,2 s Boom swing left time 5,7 s Boom swing right time 5,3 s.
SPECIFICATIONS (CONT’D) Weights 331 Excavator Operating weight with ROPS canopy, rubber tracks, 3273 kg counterweight, 610 mm bucket Additional weight for ROPS cab with heater 119 kg Additional weight for ROPS cab with HVAC 141 kg Additional weight for steel tracks 72 kg Reduction for shipping weight Not available. SPECIFICATIONS (CONT’D) Controls Engine Hand lever on right-hand side Starting Key-type starter switch and shutdown Blade Right hand lever Boom swing Right foot pedal Hydraulics Two joysticks control boom, bucket, dipperstick and upper structure slew Auxiliary hydraulics Electric switch in right joystick Upper structure slew brake Hydraulic lock on motor Holding brake for upper structure slew. SPECIFICATIONS (CONT’D) Hydraulic System Pump type Dual-outlet variable displacement piston pump with gear pump Pump 1 capacity 33,3 l/min at 2400 RPM Pump 2 and 3 capacity 28,8 l/min at 2400 RPM System relief pressure for implement 172 Bar circuits System relief pressure for travel circuits 263 Bar System relief pressure for slew circuits. SPECIFICATIONS (CONT’D) Traction Track width, rubber, standard 320 mm Track width, steel, optional 300 mm Track adjusters Grease type with shock absorbing recoil springs Track type, standard Half-pitch, rubber with 40 shoes Track type, optional Steel with 41 shoes Travel speed, low range 2,1 km/h Travel speed, high range 5,6 km/h. For synthetic oil use the recommendation from the oil manufacturer. Hydraulic fluid Bobcat Fluid (P/N 6563328).
If fluid is not available use 10W-30/ 10W Class SE motor oil for temperatures above -18°C or 5W-30 Class SE motor oil for temperatures below -18°C. Options. 300 mm steel tracks. AM/FM stereo radio. Cab enclosure, vinyl. Cab/canopy light kit.
Catalytic exhaust purifier kit. Counterweight kit.
FOPS kit. Keyless start. Lifting chain kit.
Special applications kit. 331/331E/334 Excavator SPEC-20 Operation & Maintenance Manual.
The owner shall provide the authorised dealer with prompt written notice of the defect and allow reasonable time for replacement or repair. Bobcat Europe may, at its option, request failed parts to be returned to the factory Transportation of the Bobcat product to the authorised Bobcat Excavator dealer for warranty work is the responsibility of the owner.