Ingersoll-Rand BL-275 User manual
6901968 (6-12) Printed in U.S.A. © Ingersoll Rand Company 2002
Service
Manual
(S/N 570811001 & Above)
BL-27
5
Doosan purchased Bobcat Company from Ingersoll-Rand Company 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.
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BL275 Loader Backhoe
Service Manual
WARNING
Instructions are necessary before operating or servicing machine. Read
and understand the Operation & Maintenance Manual, Handbook and signs
(decals) on machine. Follow warnings 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-2003-0199
MAINTENANCE SAFETY
Never service the Ingersoll-Rand
Loader Backhoe without
instructions.
Have good ventilation when
welding or grind ing painted
parts.
Wear dust mask when grinding
painted parts. Toxic dust and gas
can be produced.
MSW17-0502
Vent exhaust to outside when
engine must be run for service.
Exhaust system must be tightly
sealed. Exha ust Fumes can kill
without warning.
Never work on loa der backhoe
with lift arms raised unless
supported by an approved lift
arm support device.
Always lower the back hoe
bucket to the ground before
doing any maintenance.
Safety Alert Symbol: This symbol with a warning statement, means: “Warning, be alert! Your safety is
involved!” Carefully read the message that follows.
Always use an approved lift arm
support device when servicing the
loader backhoe with the lift arm
raised. Replace the lift arm support
device if damaged or missing.
Disconnecting or loosening any
hydraulic tubeline, hoe, fitting
component, or part failure can
cause lift arms or backhoe boom
to drop.
Cleaning and maintenance are
required 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 closed except
for service. Close and latch
engine cover before operating
the loader backhoe
Lead-acid batteries produce
flammable and explosive gases.
Keep arcs, sparks, flames and
lighted tobacco away from
batteries.
Batteries contain acid which
burns eyes or skin on contact.
Wear protective clothing. If acid
contacts body, flush well with
water. For eye contact flush well
and get immediate medical
attention.
Stop, cool and clean engine of
flammable materials before
checking fluids.
Never service or adjust machine
with the engine running unless
instructed to do so in the
manual.
Avoid contact with leaking
hydraulic fluid or diesel fuel
under pressure. It can penetrate
the skin or eyes.
Never fill fuel tank with engine
running, while smoking or when
near open flame.
Maintenance procedures which are given in the Operation & Maintenance Manual can be performed by
the owner/operator without any specific technical training. Maintenance procedures which are not in the
Operation & Mai ntenance Manual must be performed ONLY BY QUALIFIED INGERSOLL-RAND
SERVICE PERSONNEL. Always use genuine Ingersoll-Rand replacement parts.
B-658
9
WRONG
B-16571
WRONG
CORRECT
B-1652
7
CORRECT
B-10731
a
B-1676
8
CORRECT
WRONG
B-1657
0
WRONG
B-1657
2
WRONG
B-1651
7
WRONG
B-1669
6
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ALPHABETICAL INDEX
AIR CLEANER ........................................................ 70-01
AIR CLEANER SERVICE ....................................... 10-01
ALTERNATOR ........................................................ 60-01
ALTERNATOR BELT............................................... 10-01
ARM CYLINDER..................................................... 20-01
ARM ........................................................................ 50-01
AXLE AND DIFFERENTIAL (FRONT).................... 40-01
AXLE AND DIFFERENTIAL (REAR) ...................... 40-01
AXLE TOE-IN.......................................................... 10-01
BACKHOE BOOM LOCK........................................ 10-01
BACKHOE CONTROL VALVE................................ 20-01
BATTERY................................................................ 60-01
BOB-TACH.............................................................. 50-01
BOB-TACH HAND LEVER...................................... 10-01
BOOM ..................................................................... 50-01
BOOM CYLINDER .................................................. 20-01
BRAKE CALIPER ................................................... 40-01
BUCKET ................................................................. 50-01
BUCKET CYLINDER .............................................. 20-01
CAB DOOR ............................................................. 50-01
CAB LIGHTS........................................................... 60-01
COMPONENTS ...................................................... 80-01
CONVERSIONS ................................................SPEC-01
DRIVESHAFT ......................................................... 40-01
DROP BOX ............................................................. 40-01
ELECTRICAL SYSTEM INFORMATION ................ 60-01
ENCLOSED CAB.................................................... 50-01
ENGINE .................................................................. 70-01
ENGINE COMPONENENTS AND TESTING ......... 70-01
ENGINE COOLING SYSTEM................................. 10-01
ENGINE COVER ......................................... 10-01, 50-01
ENGINE LUBRICATION SYSTEM.......................... 10-01
ENGINE SIDE COVERS......................................... 50-01
ENGINE SPECIFICATIONS...............................SPEC-01
ENGINE SPEED CONTROL .................................. 70-01
FENDER ................................................................. 50-01
FLOOR PANELS..................................................... 50-01
FLYWHEEL ............................................................. 70-01
FLYWHEEL HOUSING ........................................... 70-01
FRONT AXLE .............................................. 10-01, 40-01
FRONT AXLE PIVOT FRAME ................................ 50-01
FRONT LIGHTS...................................................... 60-01
FRONT WIPER....................................................... 60-01
FUEL LEVEL SENDER........................................... 60-01
FUEL SYSTEM ....................................................... 10-01
FUEL TANK............................................................. 50-01
GEAR PUMP .......................................................... 20-01
GRILL...................................................................... 50-01
GRILL FRAME ........................................................ 50-01
HEATER FAN ..........................................................80-01
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 TORQUE ......................... SPEC-01
LOADER CONTROL VALVE ...................................20-01
LIFT ARMS..............................................................50-01
LIFT ARM SUPPORT DEVICE................................10-01
LIFT CYLINDER ......................................................20-01
LIFTING AND BLOCKING THE
LOADER BACKHOE ...............................................10-01
LUBRICATING THE LOADER BACKHOE ..............10-01
MAIN RELIEF VALVE ..............................................20-01
MUFFLER................................................................70-01
OIL COOLER...........................................................30-01
OPERATOR CAB ....................................................50-01
OPERATOR SEAT...................................................50-01
PARKING BRAKE....................................................40-01
PORT RELIEF VALVE
(BACKHOE CONTROL VALVE) .............................20-01
PORT RELIEF VALVE
(LOADER CONTROL VALVE)................................20-01
RADIATOR ..............................................................70-01
REAR AXLE .................................................10-01, 40-01
REAR WINDOW ......................................................50-01
REAR WIPER..........................................................60-01
RECONDITIONING THE ENGINE ..........................70-01
RUBBER DRIVE COUPLER ...................................70-01
SERVICE SCHEDULE ............................................10-01
SIDE SHIFT LOCK CYLINDER...............................20-01
STABILIZER FRAME...............................................50-01
STABILIZER CYLINDER .........................................20-01
STEERING ANGLE ADJUSTMENT
(FRONT AXLE)......................................................40-01
STEERING ANGLE ADJUSTMENT (REAR AXLE)40.01
STEERING CYLINDER (FRONT) ...........................20-01
STEERING CYLINDER (REAR)..............................20-01
STEERING PUMP...................................................20-01
STEERING VALVE ..................................................20-01
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ALPHABETICAL INDEX (CONT’D)
STARTER ................................................................60-01
SWING CYLINDER .................................................20-01
SWING FRAME .......................................................50-01
TILT CYLINDER ......................................................20-01
TIRE MAINTENANCE .............................................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
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BL-275 Loader Backhoe
Revised Apr. 03 i Service Manual
CONTENTS
FOREWORD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II
SAFETY INSTRUCTIONS FOR INGERSOLL RAND LOADER
BACKHOE AND ATTACHMENTS. . . . . . . . . . . . . . . . . . . . . . . . . . . V
SERIAL NUMBER LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . VII
FIRE PREVENTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI
DELIVERY REPORT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VII
INGERSOLL RAND LOADER IDENTIFICATION . . . . . . . . . . . . . .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
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BL-275 Loader Backhoe
Revised Apr. 03 ii Service Manual
FOREWORD
This manual is for the Ingersoll Rand loader mechanic. It provides necessary servicing and adjustment
procedures for the Ingersoll Rand loader and its component parts and systems. Refer to the Operation
& Maintenance Manual for operating instructions, Starting procedure, daily checks, etc.
A general inspection of the following items must be made after the loader has had service or repair:
1. Check that ROPS mounting
hardware is tightened and is
Ingersoll Rand approved.
9. Bob-Tach wedges and
linkages must function
correctly and be in good
condition.
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
neutral.
13. Inspect for fuel, oil or
hydraulic fluid leaks.
6. Check for correct function of
the work lights
14. Lubricate the loader backhoe.
7. The parking brake must
function correctly.
15. Check the condition of the
battery and cables.
8. Enclosure door latches must
open and close freely.
16. Inspect the air cleaner for
damage or leaks. Check the
condition of the element.
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BL-275 Loader Backhoe
Revised Apr. 03 iii Service Manual
17. Check the electrical charging
system.
20. Operate the loader and check
all functions.
18. Check tires for wear and
pressure.
21. Check for any field
modification 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.
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BL-275 Loader Backhoe
Revised Apr. 03 v Service Manual
SAFETY INSTRUCTIONS FOR INGERSOLL RAND LOADER BACKHOE AND ATTACHMENTS
SAFE OPERATION IS THE OPERATOR’S RESPONSIBILITY
Carefully follow the operating and maintenance instructions in this manual.
The Ingersoll Rand loader backhoe is highly maneuverable and compact. It is rugged and useful under a wide variety of conditions. This
presents an operator with hazards associated with off highway, rough terrain applications, common with Ingersoll Rand loader backhoe
usage.
The Ingersoll Rand loader backhoe has an internal combustion engine with resultant heat and exhaust. All exhaust gases can kill or
cause illness so use the loader backhoe with adequate ventilation. The loader backhoe has a spark arrestor exhaust system or muffler
which is required for operation in certain areas.
The dealer explains the capabilities and restrictions of the Ingersoll Rand loader backhoe and attachments for each application. The
dealer demonstrates the safe operation according to Ingersoll Rand instructional materials, which are also available to operators. The
dealer can also identify unsafe modifications or use of unapproved attachments. The attachments and buckets are designed for a Rated
Operating Capacity (some have restricted lift heights) and secure fastening to the Ingersoll Rand loader backhoe. The user must check
with the dealer, or Ingersoll Rand literature, to determine safe loads of materials of specified densities for the loader backhoe-attachment
combination.
The following publications and training materials provide information on the safe use and maintenance of the Ingersoll Rand loader
backhoe and attachments:
• 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 and can be stored in a container provided inside
the cab of the loader backhoe. Replacement Operation & Maintenance Manuals can be ordered from your Ingersoll Rand dealer.
• Machine signs (decals) instruct on the safe operation and care of your Ingersoll Rand loader backhoe or attachment. The signs and
their locations are shown in the Operation & Maintenance Manual. Replacement signs are available from your Ingersoll Rand
dealer.
• An Operator’s Handbook is fastened to the operator cab of the loader backhoe. Its brief instructions are convenient to the operator.
The Handbook is available from your dealer in an English edition or one of many other languages. See your Ingersoll Rand dealer
for more information on translated versions.
• The Safety Manual delivered with the Ingersoll Rand loader gives general safety information.
• See the ADDITIONAL PUBLICATIONS Page in this manual or your Ingersoll Rand dealer for Service and Parts Manuals, printed
materials, videos, or training courses available. Also check the Ingersoll Rand web site www.Ingersoll Rand.com
The dealer and owner/operator review the recommended uses of the product when delivered. If the owner/operator will be using the
machine for a different application(s) he must ask the dealer for recommendations on the new use.
Call Before You Dig
1-888-258-0808
When you call, you will be
rected to a location in you state/
city for information about buried
lines (telephone, cable TV, water,
sewer, gas, etc.)
SI17-0402
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BL-275 Loader Backhoe
Revised Apr. 03 vi Service Manual
FIRE PREVENTION
The machines and some attachments have components that are at high temperature under normal operating conditions.
The primary source of high temperatures is the engine and exhaust system. The electrical system, if damaged or
incorrectly maintained, can be a source of arcs or sparks.
Flammable debris (leaves, straw, etc.) must be removed regularly. If flammable debris is allowed to accumulate, it can
cause a fire hazard. Clean often to avoid this accumulation. Flammable debris in the engine compartment is a potential
fire hazard.
The spark arrestor exhaust system (if equipped) is designed to control the emission of hot particles from the engine and
exhaust system, but the muffler and the exhaust gases are still hot.
• Do not use the machine where exhaust, arcs, sparks or hot components can contact flammable material, explosive
dust or gases.
• The operator cab, engine compartment and e ngine cooling system must be inspected every day and cleaned if
necessary to prevent fire hazards and overheating.
• Check all electrical wiring 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.
• Do not use ether or starting fluids on any engine which has glow plugs. These starting aids can cause explosion and
injure you or bystanders.
• Always clean the machine, disconnect the battery, and disconnect the wiring from the electronic controllers before
welding. Cover rubber hoses, battery and all other flammable parts. Keep a fire extinguisher near the machine when
welding. Have good ventilation when grinding or welding painted parts. Wear dust mask when grinding painted parts.
Toxic dust or gas can be produced.
• Stop the engine and let it cool before adding fuel. No smoking!
• Use the procedure in the Operation & Maintenance Manual for connecting the battery and for jump starting.
• Use the procedure in the Operation & Maintenance Manual for cleaning the spark arrestor muffler (if equipped).
• Know where fire extinguishers and first aid kits are located and how to use them.
SI19-0402
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BL-275 Loader Backhoe
Revised Apr. 03 vii Service Manual
SERIAL NUMBER LOCATION
Always use the serial number of the loader backhoe
when requesting service information or when ordering
parts. Early or later models (identification made by serial
number) may use different parts, or it may be necessary
to use a different procedure in doing a specific service
operation.
Loader Backhoe Serial Number
Figure 1
The loader backhoe serial number plate is located under
the fender in front of the left rear tire [Figure 1].
Explanation of loader 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 filled out by the dealer and
signed by the owner or operator when the Ingersoll Rand
loader backhoe is delivered. An explanation of the form
must be given to the owner. Make sure it is filled out
completely [Figure 3].
P-32734
XXXX XXXXX
Model 1.-Model/ Engine
Combination
Model 2.-Production
Sequence (Series)
P-33494
B-16315
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Revised Apr. 03 viii Service Manual
INGERSOLL RAND LOADER IDENTIFICATION
B-16773
B-16772
TIRES
ENGINE COVER
FRONT AUXILIARY
QUICK COUPLERS
BUCKET†
ENGINE
SPEED
CONTROL
BACKHOE
CONTROL
FRONT LIGHTS
*CANOPY/CAB
(ROPS/FOPS) OPERATOR SEAT
WITH SEAT BELT
BUCKET
CYLINDER
CYLINDER
ARM
REAR LIGHTS GRAB HANDLE
BUCKET
X-CHANGE BACKHOE
BOOM
BOOM
LOCK
DIPPER
ARM
STABILIZER
TILT
CYLINDE
R
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, per SAE J1040 and ISO 3471 and
Falling Object Protective Structure per SAE J1043 and ISO 3449, Level 1.
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10-01 Service Manual
SAFETY & MAINTENANCE
AIR CLEANER SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-80-1
Replacing Filter Element . . . . . . . . . . . . . . . . . . . . . . . . . . 10-80-1
ALTERNATOR BELT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-160-1
Adjusting The Alternator Belt . . . . . . . . . . . . . . . . . . . . . . 10-160-1
AXLE TOE-IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-60-1
Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-60-1
BACKHOE BOOM LOCK . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-140-1
Disengaging The Boom Lock. . . . . . . . . . . . . . . . . . . . . . 10-140-1
Engaging Boom Lock. . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-140-2
BOB-TACH HAND LEVER . . . . . . . . . . . . . . . . . . . . . . . . . . 10-150-1
Inspection And Maintenance . . . . . . . . . . . . . . . . . . . . . . 10-150-1
ENGINE COOLING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . 10-90-1
Coolant Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-90-1
ENGINE COVER. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-30-1
ENGINE LUBRICATION SYSTEM . . . . . . . . . . . . . . . . . . . . 10-110-1
Checking Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-110-1
Oil Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
Replacing Hydraulic/Hydrostatic Filter . . . . . . . . . . . . . . . 10-120-2
LIFT ARM SUPPORT DEVICE . . . . . . . . . . . . . . . . . . . . . . . . 10-20-1
Installing The Lift Arm Support Device. . . . . . . . . . . . . . . . 10-20-1
Removing The Lift Arm Support Device. . . . . . . . . . . . . . . 10-20-2
LIFTING AND BLOCKING THE LOADER BACKHOE . . . . . . 10-10-1
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10-1
SAFETY &
SYSTEM
DRIVE
ELECTRICAL
MAINTENANCE
SYSTEM &
ANALYSIS
ENGINE
SERVICE
SPECIFICATIONS
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10-02 Service Manual
SAFETY & MAINTENANCE (CONT’D)
LUBRICATING THE LOADER BACKHOE . . . . . . . . . . . . . . 10-170-1
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
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BL-275 Loader Backhoe
Revised Apr. 03 10-10-1 Service Manual
LIFTING AND BLOCKING THE LOADER BACKHOE
Procedure
WARNING
Instructions are necessary before operating or
servicing machine. Read and understand the
Operation & Maintenance Manual, Handbook and
signs (decals) on machine. Follow warnings 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 ins tructions can
cause injury or death.
W-2003-0199
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 fall or move and
cause injury or death.
W-2461-0303
Figure 10-10-2
Lift the rear of the loader backhoe and install jackstands
[Figure 10-10-2].
Figure 10-10-3
Lift the front of the loader backhoe and put jackstands
under the axle [Figure 10-10-3].
Note: Make sure the jackstands do not touch the
tires.
B-7023
P-35954
P-35953
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BL-275 Loader Backhoe
Revised Apr. 03 10-10-2 Service Manual
18 of 796
BL-275 Loader Backhoe
10-20-1 Service Manual
LIFT ARM SUPPORT DEVICE
Maintenance and service work can be do ne with the lift
arms lowered. If the lift arms are raised, use the following
procedures to install and remove the approved lift arm
support device:
Installing The Lift Arm Support Device
WARNING
Never work on a machine with the lift arms up unless
the lift arms are secured by an approved lift arm
support device. Failure to us e an approved lift arm
support device can allow the lift arms or attachment
to fall and cause injury or death.
W-2059-0598
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 and raise the lift arms.
After the lift arms are raised fully, stop the engine.
Figure 10-20-2
Install the lift arm support device (Item 1) [Figure 10-20-
2] over the lift cylinder rod.
Figure 10-20-3
Start the engine and lower the lift ams slowly until the
support device is held securely [Figure 10-20-3].
Stop the engine.
P-33985A
1
P-33982A
1
P-33984A
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BL-275 Loader Backhoe
10-20-2 Service Manual
LIFT ARM SUPPORT DEVICE (CONT'D)
Removing The Lift Arm Support Device
Figure 10-20-4
With the operator in the seat, seat belt 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
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