Caterpillar Cat 906 COMPACT WHEEL LOADER (Prefix MER) Service Repair Manual (MER00001 and up).pdf

Service Repair Manual
Models
906 COMPACT
WHEEL LOADER

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Product: COMPACT WHEEL LOADER
Model: 906 COMPACT WHEEL LOADER MER
Configuration: 906 Wheel Loader MER00001-UP (MACHINE) POWERED BY 3044C Engine
Disassembly and Assembly
906 and 908 Compact Wheel Loaders 3044C Engine Supplement
Media Number -RENR6453-00 Publication Date -01/11/2006 Date Updated -15/11/2006
i02630075
Water Pump - Remove and Install
SMCS - 1361-010
Removal Procedure
At operating temperature, the engine coolant is hot and under pressure.
Steam can cause personal injury.
Check the coolant level only after the engine has been stopped and the
fill cap is cool enough to touch with your bare hand.
Remove the fill cap slowly to relieve pressure.
Cooling system conditioner contains alkali. Avoid contact with the skin
and eyes to prevent personal injury.
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
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Dispose of all fluids according to local regulations and mandates.
1. Open the hood.
2. Turn the battery disconnect switch to the OFF position.
3. Drain the coolant from the cooling system into a suitable container for storage or disposal.
Refer to Operation and Maintenance Manual for the correct procedure.
Illustration 1 g01318369
4. Remove bolts (1) and cover (2) .
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5. Loosen bolts (3) and (4). Rotate the alternator in order to loosen belt (5) .
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6. Remove belt (5). Remove bolts (6) and remove pulley (7). Disconnect hoses (8) and (9) .
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7. Remove bolts (10) and remove water pump (11) .
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8. Remove gasket (12) .
Installation Procedure
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned
in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts.
Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are
worn or damaged, use new parts for replacement.
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1. Install new gasket (12) .
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2. Install water pump (11) and install bolts (10) .
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3. Install pulley (7) and bolts (6). Install belt (5). Install hoses (8) and (9) .
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4. Rotate the alternator in order to tighten belt (5). Tighten bolts (3) and (4). Refer to
Operation and Maintenance Manual, "Belts - Inspect/Adjust/Replace" for additional
information.
5. Install cover (2) and bolts (1) .
6. Fill the cooling system with coolant. Refer to Operation and Maintenance Manual for the
correct procedure.
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7. Turn the disconnect switch to the ON position.
8. Close the hood.
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Wed Sep 11 22:55:32 UTC+0800 2019
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i02629836
Gear Motor (Hydraulic Fan) - Remove and Install
SMCS - 1386-010-GT; 5061-010-HFN
Removal Procedure
Personal injury can result from hydraulic oil pressure and hot oil.
Hydraulic oil pressure can remain in the hydraulic system after the
engine has been stopped. Serious injury can be caused if this pressure is
not released before any service is done on the hydraulic system.
Make sure all of the work tools have been lowered to the ground, and
the oil is cool before removing any components or lines. Remove the oil
filler cap only when the engine is stopped, and the filler cap is cool
enough to touch with your bare hand.
NOTICE
performance of inspection, maintenance, testing, adjusting, and repair
of the machine. Be prepared to collect the fluid with suitable containers
containing fluids.
Products Guide"for tools and supplies to collect and contain fluids in
Caterpillar machines.
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Dispose of all fluids according to local regulations.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for
installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this
helps to keep contaminants from entering the system.
1. Open the hood.
2. Turn the disconnect switch to the OFF position.
3. Disconnect hose assemblies (2) from gear motor (1) .
4. Remove bolts (3) and remove fan assembly (4) .
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5. Remove bolts (5) and fan (6) .
6. Remove bolts (7) and coupling (8) .
7. Remove bolts (9) and remove gear motor (1) from fan guard (10) .
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1. Install gear motor (1) to fan guard (10) and install bolts (9) .
2. Install coupling (8) and bolts (7) .
3. Install fan (6) and bolts (5) .
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4. Install fan assembly (4) and bolts (3) .
5. Connect hose assemblies (2) to gear motor (1) .
6. Turn the disconnect switch to the ON position.
7. Close the hood.
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i02630328
Hydraulic Oil Cooler - Remove and Install
SMCS - 1374-010
Removal Procedure
NOTICE
containing fluids.
Products Guide"for tools and supplies to collect and contain fluids in
Caterpillar machines.
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Dispose of all fluids according to local regulations.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for
installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this
helps to keep contaminants from entering the system.
1. Drain the hydraulic oil from the hydraulic oil cooler into a suitable container for storage or
disposal. Refer to Operation and Maintenance Manual for the correct procedure.
2. Remove bolts (1) and grill (2) .
3. Raise the access door on the right side of the machine.
4. Remove two bolts (3). Remove brace (4) .
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5. Loosen the clamps and disconnect hose (5) and hose (6) from the hydraulic oil cooler.
6. Remove two bolts (7) from the side of the hydraulic oil cooler.
This is a view from the top of the hydraulic oil cooler.
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7. Remove four bolts (8) from the opposite side of the hydraulic oil cooler.
8. Move the top of hydraulic oil cooler (9) toward the cab of the machine.
9. Install a nylon strap and a suitable lifting device around the hydraulic oil cooler.
10. Remove hydraulic oil cooler (9). The weight of hydraulic oil cooler (9) is 20.4 kg (45 lb).
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1. Install a nylon strap around hydraulic oil cooler (9) .
2. Place the hydraulic oil cooler (9) into position.
3. Move hydraulic oil cooler (9) into the upright position. Align hydraulic oil cooler (9) with
the bolt holes.
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This is a view from the top of the hydraulic oil cooler.
4. Install washers and four bolts (8) through the hinged side of hydraulic oil cooler (9) .
5. Install washers and two bolts (7) on the opposite side of the hydraulic oil cooler.
6. Connect hose (5) and hose (6) to the hydraulic oil cooler and tighten the clamps.
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7. Install brace (4) in position. Secure brace (4) with the washers and two bolts (3) .
8. Install grill (2) and bolts (1) .
9. Fill the hydraulic oil tank with hydraulic oil. Refer to Operation and Maintenance Manual
for the correct procedure.
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i02633906
Radiator - Remove and Install
SMCS - 1353-010
Removal Procedure
Start By:
A. Remove the hood. Refer to Disassembly and Assembly, "Hood - Remove and Install".
NOTICE
containing fluids.
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Caterpillar Cat 906 COMPACT WHEEL LOADER (Prefix MER) Service Repair Manual (MER00001 and up).pdf

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