Crankshaft Rear Seal

TM 9-2320-312-24-2

Truck Engine

Disassembly and Assembly Section

i01747284

Crankshaft Rear Seal - Remove

SMCS Code: 1161-011

Removal Procedure

Table 25

Required Tools

Part

Tool

Part Description

Qty

Number

1U-8145

Drill Bit

g00613243

Illustration 129

1U-7600

Slide Hammer Puller

Note: Do not damage the flange on the crankshaft

Start By:

when the crankshaft rear seal is removed.

a. Remove the flywheel. Refer to Disassembly and

Note: Tooling (B) is equipped with three screw

Assembly, "Flywheel - Remove".

tips. Use the screw tips with Tooling (B) to remove

crankshaft rear seal (1).

NOTICE

2. Carefully remove crankshaft rear seal (1) by

Keep all parts clean from contaminants.

alternating the position of Tooling (B) from hole

to hole. This will allow crankshaft rear seal (1) to

Contaminants may cause rapid wear and shortened

be removed evenly without damage to the rear

component life.

flange surface of the crankshaft.

NOTICE

Note: New engines from the factory do not have

Care must be taken to ensure that fluids are contained

a wear sleeve. Engines with seals that have been

during performance of inspection, maintenance, test-

replaced will be equipped with a wear sleeve. If

ing, adjusting and repair of the product. Be prepared to

the crankshaft of the engine is equipped with a

collect the fluid with suitable containers before open-

wear sleeve, refer to Disassembly and Assembly,

ing any compartment or disassembling any compo-

"Crankshaft Wear Sleeve (Rear) - Remove" in order

nent containing fluids.

to remove the wear sleeve.

Refer to Special Publication, NENG2500, "Caterpillar

i01747293

Tools and Shop Products Guide" for tools and supplies

suitable to collect and contain fluids on Caterpillar

Crankshaft Rear Seal - Install

products.

SMCS Code: 1161-012

Dispose of all fluids according to local regulations and

mandates.

Installation Procedure

1. Use Tooling (A) to drill three evenly spaced holes

Table 26

in the crankshaft rear seal.

Required Tools

Part

Tool

Part Description

Qty

Number

132-8772

A(1)

Seal Locator

B(1)

1U-7596

Bolt

1U-7597

C(1)

Sleeve Ring

1U-7594

D(1)

Seal Installer

9S-8858

E(1)

Nut

(1)

Part of the 1U-7598 Seal Installer