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160K Caterpillar Motor Grader Service Repair Manual

Page 1


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Product: MOTOR GRADER

Model: 160K MOTOR GRADER SZM

Configuration: 160K Motor Grader SZM00001-UP (MACHINE) POWERED BY C7 Engine

Disassembly and Assembly C7

Engines for Caterpillar Built Machines

Fuel Filter Base - Remove and Install

SMCS - 1262-010

Removal Procedure

Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. To help prevent possible injury, turn the start switch off when changing fuel filters or water separator elements. Clean up fuel spills immediately.

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.

Dispose of all fluids according to local regulations and mandates.

Illustration 1 g01152090

1. Disconnect hose assembly (1) and hose assembly (3) .

2. Disconnect harness assembly (2) .

3. Remove bolts (5) and fuel filter base (4) .

Installation Procedure NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

Illustration 2

1. Position fuel filter base (4) on the engine.

2. Install bolts (5) .

3. Connect harness assembly (2) .

4. Connect hose assembly (3) and hose assembly (1) .

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Tue May 13 01:55:07 UTC+0530 2025

Previous Screen

Product: MOTOR GRADER

Model: 160K MOTOR GRADER SZM

Configuration: 160K Motor Grader SZM00001-UP (MACHINE) POWERED BY C7 Engine

Disassembly and Assembly C7

Engines for Caterpillar Built Machines

Fuel Transfer Pump - Install

SMCS - 1256-012

Installation Procedure Table 1

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

i06716882

Illustration 1 g01123057

1. Position fuel transfer pump (2) on the unit injector hydraulic pump. Be sure to align the drive tang of the fuel transfer pump to the drive slot in the end of the pump shaft.

2. Install tie bolts (4). Tighten the bolts to a snug fit.

3. Remove Tooling (A) that is located in the upper left hole and install remaining tie bolt (1) to a snug fit.

4. Install bolts (3) for fuel transfer pump (2). Tighten the bolts to a snug fit.

5. Start in the lower left corner of the unit injector hydraulic pump and tighten tie bolts (4) to a torque of 28 ± 2 N·m (21 ± 1 lb ft) in a crisscross pattern. Torque the bolts again.

6. Tighten bolts (3) to a torque of 8.0 ± 0.4 N·m (71 ± 4 lb in).

End By:

a. Install the unit injector hydraulic pump. Refer to Disassembly and Assembly, "Unit Injector Hydraulic Pump - Install".

Previous Screen

Product: MOTOR GRADER

Model: 160K MOTOR GRADER SZM

Configuration: 160K Motor Grader SZM00001-UP (MACHINE) POWERED BY C7 Engine

Disassembly and Assembly C7

Engines for Caterpillar Built Machines Media

Unit Injector Hydraulic Pump - Remove

SMCS - 1714-011

i05683072

Removal Procedure for Non-Dual Tapered Roller Bearing HEUI Pump

Table 1 Required Tools

NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.

Dispose of all fluids according to local regulations and mandates.

2

Illustration 1
g03601539
Non-Dual Taper Roller Bearing HEUI pump
Illustration
g03601540

Dual Taper Roller Bearing HEUI pump

Note: Refer to Illustrations 1 and 2 in order to identify each unit injection hydraulic pump.

Illustration 3 g01152147

1. Disconnect hose assembly (5) and tube assembly (4) .

2. Use Tooling (A) in order to disconnect hose assembly (6) .

3. Disconnect harness assembly (3) from unit injector hydraulic pump (2) .

4. Remove bolts (1) . Remove unit injector hydraulic pump (2) .

Removal Procedure for Dual Tapered Roller Bearing HEUI Pump Table 2

NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.

Dispose of all fluids according to local regulations and mandates.

Illustration 4
Non-Dual Taper Roller Bearing HEUI pump

Illustration 5

Dual Taper Roller Bearing HEUI pump

g03601540

Note: Refer to Illustrations 4 and 5 in order to identify each unit injection hydraulic pump.

Illustration 6

g03593456

1. Disconnect harness assembly (1) . Use Tooling (A) in order to disconnect hose assembly (4) . Disconnect hose assemblies (3) and (5) and position aside. Remove tube assembly (2) .

Illustration 7

2. Remove adapters (6) and (7) .

Illustration 8

3. Support unit injector hydraulic pump (8) and remove bolts (9) .

g03593457
g03593458

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Illustration 9

4. Rotate unit injector hydraulic pump (9) counterclockwise as shown, then remove unit injector hydraulic pump (9) .

Illustration 10

5. Remove O-ring seal (10) .

g03593461

Tue May 13 01:55:33 UTC+0530 2025

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