TM-9-2815-205-34

ENGINE WITH CONTAINER; MODELS 5063-5299, 5063-5392, 5063-5393, 5063-5395, 5063-5398, 5063-539F, 5063-539L

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

AUGUST 1992

TM-9-2815-205-34 - Page 253 of 596

3-41. REAR CRANKSHAFT OIL SEAL REPLACEMENT

This task covers: a. Removal

b. Cleaning/Inspection

c. Installation

INITIAL SETUP

MODELS

EXPENDABLE/DURABLE SUPPLIES

All

TOOLS AND SPECIAL TOOLS

Tool kit, general mechanics (App B, Item 107)

Indicator, dial, magnetic base (App B, Item 54)

Installer, oil seal (with guide studs) (App B,

Handle, oil seal installer (App B, Item 50)

MATERIALS/PARTS

1

Seal, plain encased (App F, Item 174)

2

Screws, sheet metal (App C, Item 40)

2

Washers, flat (App C, Item 56)

Cleaning solvent (App C, Item 9)

Crocus cloth (App

C, Item 10)

Oil, fuel (App C, Item 27)

EQUIPMENT CONDITION

Para Description

3-40 Flywheel removed

PERSONNEL REQUIRED: 2

a. Removal

(1)

(2)

Center punch two holes in casing of oil

seal (1) on opposite sides.

Install two sheet metal screws (2) and two

flat washers (3).

CAUTION

Do not pry against crankshaft

or gouging will result.

(3) Pry against flat washers (3) with pry bars

to remove seal. Discard seal.

b. Cleaning/Inspection

(1) Clean flywheel housing seal bore.

CAUTION

Do not polish parallel to crankshaft axis or ridges will result in sealing surface and

cause oil leakage.

(2) Inspect rear end of crankshaft (4) for wear due to rubbing action of seal, dirt build up, or fretting

by action of flywheel. Remove slight ridges from rear of crankshaft by working around

circumference with crocus cloth wetted with fuel oil.

3-124

TM 9-2815-205-34

Item 59)