Ingersoll-Rand B Series Manual de usuario
Service
Manual
©Ingersoll-Rand 2005
Printed in U.S.A.
22535801 (6-12)
S/N 573211001 & Above
BL-37
0
B Series
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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BL-370 Backhoe Loader
Service Manual
ALPHABETICAL INDEX
AIR CLEANER ........................................................ 70-01
AIR CLEANER SERVICE ....................................... 10-01
ALTERNATOR ........................................................ 60-01
ALTERNATOR BELT............................................... 10-01
APPROVED LIFT ARM SUPPORT DEVICE 10-01
ARM CYLINDER..................................................... 20-01
ARM ........................................................................ 50-01
AXLES (FRONT AND REAR) ................................. 10-01
AXLE TOE-IN.......................................................... 10-01
BACKHOE CONTROL VALVE................................ 20-01
BACKHOE LOADER TORQUE .........................SPEC-01
BATTERY................................................................ 60-01
BOB-TACH.............................................................. 50-01
BOB-TACH HAND LEVER...................................... 10-01
BOOM ..................................................................... 50-01
BOOM CYLINDER .................................................. 20-01
BOOM LOCK PIN ................................................... 10-01
BRAKE PEDAL ASSEMBLY ................................... 40-01
BUCKET ................................................................. 50-01
BUCKET CYLINDER .............................................. 20-01
CAB LIGHTS........................................................... 60-01
CENTER FLOOR PANEL ....................................... 50-01
CONVERSIONS ................................................SPEC-01
DRIVE COUPLER................................................... 70-01
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 ......................................................... 40-01
FRONT LIGHTS...................................................... 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
HYDRAULIC FILTER...............................................20-01
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 PUMP TESTING ...........................30-01
INSTRUMENT PANEL.............................................60-01
LIFT ARMS..............................................................50-01
LIFT ARM STABILIZER ...........................................50-01
LIFT CYLINDER ......................................................20-01
LIFTING AND BLOCKING THE
BACKHOE LOADER ............................................10-01
LOADER CONTROL VALVE ...................................20-01
LOADER SPECIFICATIONS SPEC-01
LUBRICATING THE BACKHOE LOADER ..............10-01
MAIN RELIEF VALVE ..............................................20-01
MASTER CYLINDER ..............................................20-01
MUFFLER................................................................70-01
OPERATOR CANOPY.............................................50-01
OPERATOR SEAT...................................................50-01
PARKING BRAKE HOUSING..................................40-01
PORT RELIEF VALVE
(BACKHOE CONTROL VALVE) .............................20-01
PORT RELIEF VALVE
(LOADER CONTROL VALVE).................................20-01
OIL COOLER/RADIATOR ............................30-01, 70-01
REAR AXLE ............................................................40-01
RECONDITIONING THE ENGINE ..........................70-01
SERVICE BRAKE....................................................40-01
SERVICE SCHEDULE ............................................10-01
STABILIZER ............................................................50-01
STABILIZER CYLINDER .........................................20-01
STEERING CYLINDER (FRONT & REAR) .............20-01
STEERING PUMP...................................................20-01
STEERING VALVE ..................................................20-01
STARTER ................................................................60-01
SWING CYLINDER .................................................20-01
SWING FRAME .......................................................50-01
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BL-370 Backhoe Loader
Service Manual
ALPHABETICAL INDEX (CONT’D)
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 ......................................................70-01
TROUBLESHOOTING..................................40-01, 70-01
TURBO ....................................................................70-01
TURN INDICATOR LIGHTS (FRONT).....................60-01
TURN INDICATOR LIGHTS (REAR) .......................60-01
X-CHANGE™ ..........................................................50-01
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MAINTENANCE SAFETY
WARNING
Instructions are necessary before operating or servicing machine. Read
and understand the Operation & Maintenance Manual, Handbook and signs
(decals) on ma chine. Follow warnings and instructions in t he 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
Safety Alert Symbol: This symbol with a w arning statement, means: “Warning, be alert! Your safety i
s
involved!” Carefully read the message that follows.
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.
MSW18-0602
Vent exhaust to outside when
engine must be run for service.
Exhaust system must be tightly
sealed. Exhaust fumes can kill
without warning.
Never work on loader backhoe
with lift arms raised unless
supported by an app roved lif
t
arm support device.
Always lower the bac khoe
bucket to the ground before
doing any maintenance.
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 p art 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 parts 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 wel
l
and get immediate medica
l
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 c an 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 & Maintenance Manual must be performed ONLY BY QUALIFIED Ingersoll-Rand SERVICE
PERSONNEL. Always use genuine Ingersoll-Rand replacement parts.
CORRECT
B-10731
a
B-1684
2
CORRECT
CORRECT
B-1686
5
WRONG
B-1681
5
WRONG
B-1688
1
WRONG
B-1682
6
B-16885
WRONG
WRONG
B-1681
4
B-658
9
WRONG
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BL-370 Backhoe Loader
i Service Manual
CONTENTS
FOREWORD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II
SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
SERIAL NUMBER LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII
DELIVERY REPORT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII
BACKHOE LOADER IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . IX
SAFETY AND 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
SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPEC-01
SAFETY &
HYDROSTATIC
MAIN FRAME
SYSTEM
SYSTEM
DRIVE
ELECTRICAL
MAINTENANCE
SYSTEM &
ANALYSIS
ENGINE
SERVICE
ENGINE
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
HYDRAULIC
SYSTEM
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BL-370 Backhoe Loader
ii Service Manual
FOREWORD
This manual is fo r the Ingersoll-Rand loader mechanic. It pr ovides 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 backhoe loader.
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-370 Backhoe Loader
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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