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BL-275 Loader Backhoe

Revised Apr. 03

10-70-1

Service Manual

SERVICE SCHEDULE

Chart

Maintenance work must be done at regular intervals. Failure to do so will result in excessive wear and early failures. The
service schedule is a guide for correct maintenance of the Ingersoll Rand loader backhoe. 

WARNING

Instructions  are  necessary  before  operating  or  servicing  machine.  Read

and understand the Operation & Maintenance Manual and signs (decals) on

machine.  Follow wa rnings  and  instructions  in the   manuals  when  making

repairs,  adjustments  or  servicing.  Check  for  correct  function  after

adjustments,  repairs  or service. Untrained operators  and failure  to follow

instructions can cause injury or death.

W-2003-1285

SERVICE SCHEDULE

HOURS

ITEM

SERVICE REQUIRED

8-10

50

100

250

500

1000

Engine Oil

Check the engine oil level and add as needed.

 

Hydraulic Fluid

Check fluid level and add as needed.

Fuel Filter

Remove trapped water.

 

Engine Air System

Check for leaks and damaged components.

Engine Cooling System

Clean debris from oil cooler, radiator & grill. Check cool-
ant level.

Lift Arms, Cyl., Bob-Tach 
Pivot Pins, Wedges, Etc.

Lubricate with multi-purpose lithium based grease.

Tires

Check for correct size, damaged tires and correct air 
pressure.

Seat Belt, Seat Belt 
Retractors

Check the condition of seat belt. Clean or replace seat 
belt retractors as needed.

Mirrors

Clean, adjust, replace if damaged

Steering Valve

Check and set steering as required.

Safety Signs and Safety 
Treads

Check for damaged signs (decals) and safety treads. 
Replace any signs or safety treads that are damaged or 
worn.

 

Operator Cab

Check the fastening bolts, washers and nuts. Check the 
condition of the cab.

Indicators and Lights

Check for correct operation of all indicators and lights.

Parking Brake

Check operation, adjust as required.

 

 

Backup Alarm

Check operation. Repair or replace as required.

Hydraulic Fluid, Hoses and 
Tubelines

Check fluid level & add as needed. Check for damage & 
leaks. Repair or replace as needed.

 

Front and Rear Differential

Check oil level. Add oil as needed.

Wheel Nuts

Check for loose wheel nuts and tighten to 140 ft.-lbs.

 

Battery

Check cables, connections and electrolyte level. Add 
distilled water as needed.

Spark Arrestor Muffler

Empty the spark chamber (if equipped).

Alternator/Fan Belt

Check tension and adjust as needed.

*

Fuel Filter

Replace the filter element.

Engine Oil and Filter

Replace oil & filter. Use CD or better grade oil and 
Ingersoll Rand filter.

Hydraulic Oil Filter

Replace the filter element.

 

Engine Air Filter

Replace the air filter element.

#

Engine Cooling System

Flush cooling system and add new coolant.

Hydraulic Reservoir

Replace the fluid and the filter.

Differential Oil

Replace the differential oil.

 

   Check wheel nut torque every 8 hours for the first 24 hours.

*  

   Inspect the new belt after first 50 hours.

  

 Also replace hydraulic/hydrostatic filter element when the transmission warning light comes ON.

†   

 First oil and filter change must occur at 50 hours: 250 hours thereafter.

#    After the first 500 hours on new engine, adjust engine valves; 1000 hours thereafter. (See Service Manual for procedure.)

   

Or every 12 months.

29 of 796

Summary of Contents for 570811001

Page 1: ...pany in 2007 Any reference to Ingersoll Rand Company or use of trademarks service marks logos or other proprietary identifying marks belonging to Ingersoll Rand Company in this manual is historical or nominative in nature and is not meant to suggest a current affiliation between Ingersoll Rand Company and Bobcat Company or the products of either 1 of 796 ...

Page 2: ...2 of 796 Find manuals at https best manuals com ...

Page 3: ...ired daily NEVER modify equipment or add attachments not approved by Ingersoll Rand Keep body jewelry and clothing away from moving parts electrical contact hot p arts and exhaust Wear eye protection to gua rd from battery acid compressed springs fluids under pressure and flying debris when engines are running or tools are used Use eye protection approved for type of welding Keep engine cover clos...

Page 4: ...BL275 Loader Backhoe Service Manual 4 of 796 Find manuals at https best manuals com ...

Page 5: ... 01 HEATER UNIT 80 01 HYDRAULIC FILTER HOUSING 20 01 HYDRAULIC FLUID RESERVOIR 20 01 HYDRAULIC SYSTEM INFORMATION 20 01 HYDRAULIC HYDROSTATIC FLUID SPECIFICATIONS SPEC 01 HYDRAULIC HYDROSTATIC SYSTEM 10 01 HYDROSTATIC DRIVE MOTOR 30 01 HYDROSTATIC PUMP 30 01 HYDROSTATIC SYSTEM INFORMATION 30 01 HYDROSTATIC TESTING 30 01 INSTRUMENT PANEL 60 01 LOADER BACKHOE SPECIFICATIONS SPEC 01 LOADER BACKHOE TO...

Page 6: ...NANCE 10 01 TORQUE SPECIFICATIONS FOR BOLTS SPEC 01 TOWING THE LOADER BACKHOE 10 01 TRANSPORTING THE LOADER BACKHOE 10 01 TRAVEL PEDAL 20 01 TROUBLESHOOTING 70 01 TURBOCHARGER 70 01 TURN INDICATOR LIGHTS FRONT 60 01 TURN INDICATOR LIGHTS REAR 60 01 X CHANGE 50 01 6 of 796 Find manuals at https best manuals com ...

Page 7: ...ICATION VIII SAFETY MAINTENANCE 10 01 HYDRAULIC SYSTEM 20 01 HYDROSTATIC SYSTEM 30 01 DRIVE SYSTEM 40 01 MAIN FRAME 50 01 ELECTRICAL SYSTEM AND ANALYSIS 60 01 ENGINE SERVICE 70 01 HEATER 80 01 SPECIFICATIONS SPEC 01 SAFETY HYDROSTATIC MAIN FRAME SYSTEM SYSTEM DRIVE ELECTRICAL MAINTENANCE SYSTEM ANALYSIS ENGINE SERVICE ENGINE SPECIFICATIONS HEATER SPECIFICATIONS HYDRAULIC SYSTEM SPECIFICATIONS 7 of...

Page 8: ... 2 The seat belt must be correctly installed functional and in good condition 10 Safety treads must be in good condition 3 Check lift arm support device replace if damaged 11 Check for correct function of indicator lamps Optional on some models 4 Machine signs must be legible and in the correct location 12 Check hydraulic fluid level engine oil level and fuel supply 5 Foot pedal must return to neu...

Page 9: ...cation not completed 19 Inspect for loosen or broken parts or connections 22 Recommend to t he owner that all necessary corrections be made before the machine is returned to service CALIFORNIA PROPOSITION 65 WARNING Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer birth defects and other reproductive harm 9 of 796 Find manuals at https best ma...

Page 10: ...BL 275 Loader Backhoe Revised Apr 03 iv Service Manual 10 of 796 Find manuals at https best manuals com ...

Page 11: ...ents The Delivery Report is used to assure that complete instructions have been given to the new owner and that the Ingersoll Rand loader backhoe and attachment is in safe operating condition The Operation Maintenance Manual delivered with the Ingersoll Rand loader backhoe or attachment gives operating information as well as routine maintenance and service procedures It is a part of the machine an...

Page 12: ...ing and connections for damage Keep the battery terminals clean and tight Repair or replace any damaged part Check fuel and hydraulic tubes hoses and fittings for damage and leakage Never use open flame or bare skin to check for leaks Tighten or replace any parts that show leakage Always clean fluid spills Do not use gasoline or diesel fuel for cleaning parts Use commercial nonflammable solvents D...

Page 13: ...ader Serial Number 1 The four digit Model Engine Combination Module number identifies the model number and engine combination 2 The five digit Production Sequence Number identifies the order which the loader is produced Engine Serial Number Figure 2 The engine serial number is located on the valve cover at the right side of the engine Figure 2 DELIVERY REPORT Figure 3 The Delivery Report must be f...

Page 14: ...AB HANDLE BUCKET X CHANGE BACKHOE BOOM BOOM LOCK DIPPER ARM STABILIZER TILT CYLINDER LIFT ARM LIFT CYLINDER TRAVEL PEDAL LIFT ARM BUCKET CONTROL OPERATOR HANDBOOK PARKING BRAKE LIFT ARM SUPPORT DEVICE OPERATOR MANUAL BUCKET Several different buckets and other attachments are available for the Ingersoll Rand loader backhoe ROPS FOPS Roll Over Protective Structure Falling Object Protective Structure...

Page 15: ...t 10 110 1 Replacing Oil And Filter 10 110 2 FRONT AXLE 10 130 2 Checking Oil Level 10 130 2 Draining Oil 10 130 2 FUEL SYSTEM 10 100 1 Filling The Fuel Tank 10 100 1 Fuel Filter 10 100 2 Fuel Specifications 10 100 1 Removing Air From The Fuel System 10 100 2 HYDRAULIC HYDROSTATIC SYSTEM 10 120 1 Checking And Adding Fluid 10 120 1 Cleaning The Cooler 10 120 1 Replacing Hydraulic Fluid 10 120 3 Rep...

Page 16: ... 170 1 REAR AXLE 10 130 1 Checking Oil Level 10 130 1 Draining Oil 10 130 1 SERVICE SCHEDULE 10 70 1 Chart 10 70 1 TIRE MAINTENANCE 10 180 1 Mounting 10 180 1 Tire Pressure 10 180 1 Wheel Nuts 10 180 1 TOWING THE LOADER BACKHOE 10 50 1 TRANSPORTING THE LOADER BACKHOE 10 40 1 Procedure 10 40 1 16 of 796 ...

Page 17: ... Figure 10 10 1 Read the removal and installation disassembly and assembly etc completely to become familiar with the procedure before beginning Figure 10 10 1 Always park the loader backhoe on a level surface Stop the engine and engage the parking brake WARNING Put jackstands under the front and rear axle before running the engine for service Failure to us e jackstands can allow the machine to fa...

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Page 19: ...0598 WARNING Service lift arm support device if damaged or if parts are missing Using a damaged lift arm support or with missing parts can cause lift arms to drop causing injury or death W 2271 1197 Figure 10 20 1 Remove the approved lift arm support device Item 1 Figure 10 20 1 from the storage position With the operator in the seat fasten seat belt and engage the parking brake Start the engine a...

Page 20: ...lt fastened and the parking brake engaged start the engine and raise the lift arms After the lift arms are raised fully stop the engine Remove the approved lift arm support device Item 1 Figure 10 20 4 Start the engine and lower the lift arms fully Figure 10 20 5 Put the lift arm support Item 1 Figure 10 20 5 in the storage position P 33982A 1 P 33985A 1 20 of 796 ...

Page 21: ...ide of the engine cover Raise the engine cover Figure 10 30 2 Remove the engine cover support rod Item 1 Figure 10 30 2 from the storage position Figure 10 30 3 Place the end of the support rod Item 1 Figure 10 30 3 into the hole located on the hood to hold the engine cover open P 33506A 1 P 33507 1 P 33778 1 21 of 796 ...

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Page 23: ...nt end of the trailer from raising up Figure 10 40 2 Figure 10 40 3 Figure 10 40 4 Use the following procedure to fasten the loader backhoe to the transport vehicle to pr event the loader backhoe from moving during sudden stops or when going up or down slopes Lower the loader bucket Lower the backhoe bucket Stop the engine Engage the parking brake Install chains at the rear of the mac hine Figure ...

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Page 25: ... 10 50 1 Figure 10 50 2 Rotate the tow valve Item 1 Figure 10 50 2 counterclockwise approximately three turns To prevent damage to the l oader backhoe hydrostatic system the loader backhoe must be towed only a short distance at s low speed Example Moving the l oader backhoe onto a transport vehicle The towing chain or cable must be rated at 1 1 2 times the weight of the loader See Contents Page SP...

Page 26: ...BL 275 Loader Backhoe Revised Apr 03 10 50 2 Service Manual 26 of 796 ...

Page 27: ...re the exposed part of the c ylinder rod on each side of the steering cylinder housing making sure they are the same length Figure 10 60 2 Figure 10 60 3 Measure the distance between the centerlines on the front of the tires and compare it to the measurement taken from the centerlines on the backside of the tires Figure 10 60 3 The measurement must be equal Figure 10 60 4 If measurement is not the...

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Page 29: ...y Treads Check for damaged signs decals and safety treads Replace any signs or safety treads that are damaged or worn Operator Cab Check the fastening bolts washers and nuts Check the condition of the cab Indicators and Lights Check for correct operation of all indicators and lights Parking Brake Check operation adjust as required Backup Alarm Check operation Repair or replace as required Hydrauli...

Page 30: ...BL 275 Loader Backhoe Revised Apr 03 10 70 2 Service Manual 30 of 796 ...

Page 31: ...ee Contents Page 10 01 Loosen the filter cover nut Item 1 Figure 10 80 1 Figure 10 80 2 Remove the filter element and cover from the housing Figure 10 80 2 NOTE Make sure all sealing surfaces are free of dirt and debris Install a new element onto the housing cover Install filter element cover Figure 10 80 2 Tighten the filter cover nut Item 1 Figure 10 80 1 P 33509 1 P 33510 31 of 796 ...

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Page 33: ... manner Mix the coolant in a s eparate container See Contents Page SPEC 01 for correct capacity NOTE The loader backhoe is factory filled with ethylene glycol DO NOT mixpropylene glycol with ethylene glycol Add premixed coolant 50 water and 50 et hylene glycol to the recover tank if the coolant level is low One gallon and one pint of e thylene glycol mixed with one gallon of water is the correct m...

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Page 35: ...or lighted tobacco away from fuel and oil Failure to use care around combustibles can cause explosion or fire which can result in injury or death W 2103 1285 WARNING Stop and cool the engine before adding fuel NO SMOKING Failure to obe y warnings can cause an explosion or fire W 2063 0887 Figure 10 100 2 Use a clean approved safety container to add fuel of the correct specifications Add fuel only ...

Page 36: ...nder pressure may not be visible Use a piece of cardboard or wood to find leaks Do not use your bare hand Wear safety goggles If fluid enters skin or eyes get immediate medical attention from a physician familiar with this injury W 2072 0496 WARNING Always clean up spilled fuel or oil Keep heat flames sparks or lighted tobacco away from fuel and oil Failure to use care around combustibles can caus...

Page 37: ...ick Engine oil is also used to provide engine cooling Check oil level every day for correct engine lubrication and cooling Use a good quality motor oil that meets API Service Classification of CD or better See Oil Chart on Page 1 Oil Chart P 33515 1 RECOMMENDED SAE VISCOSITY NUMBER LUBRICATION OILS FOR DIESEL ENGINE CRANKCASE C F TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE DIESEL ENGINES ...

Page 38: ...ean up spilled fuel or oil Keep heat flames sparks or lighted tobacco away from fuel and oil Failure to use care around combustibles can cause explosion or fire which can result in injury or death W 2103 1285 Figure 10 110 3 Remove the oil filter Item 1 Figure 10 110 3 Clean the filter housing surface Use genuine Ingersoll Rand filter only Put oil on the new filter gasket Install the filter and ha...

Page 39: ...placing Oil And Filter Cont d Figure 10 110 5 Remove the dipstick Item 2 Figure 10 110 4 on Page 10 110 2 and check the oil level Add oil as needed if it is not at the top mark on the dipstick Item 1 Figure 10 110 5 Install the dipstick and close the engine cover P 32743 1 39 of 796 ...

Page 40: ...BL 275 Loader Backhoe 10 110 4 Service Manual 40 of 796 ...

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