CAMSHAFT BEARINGS

TM 9-2320-269-34-1

CAMSHAFT BEARINGS

This task covers:

Inspection (page 2-190)

Installation (page2-192)

Removal (page 2-191)

INITIAL SETUP

Tools

Personnel Required

Camshaft bearing removing and

One

installing tool

Caliper, micrometer, I D

Equipment Condition

Gage, telescopic

Handle, ratchet, 112-inch drive

Flywheel housing removed (page 2-137).

Socket, 1/2-Inch drive, 9/16-inch

Crankshaft removed (page 2-114).

Camshaft removed (page 2-184).

Materials/Parts

Bearing, camshaft (four required)

Gasket, camshaft cover plate

Lockwasher camshaft cover plate

(three required)

ACTION

LOCATION

ITEM

REMARKS

INSPECTION

NOTE

Too much clearance between the camshaft journals and bearings will cause low oil pressure and too much backlash

between the camshaft and crankshaft timing gears.

Replace camshaft and/or camshaft bearings if measurements are not within given limits.

1. Cylinder block (1)

Camshaft (2) and

a. Slide camshaft (2) into block through

four camshaft bear-

bearings (3),(4),(5), and (6).

ings (3), (4), (5),

b. Using telescopic gage and micro-

and (6)

meter, check bearings (3),(4),(5),

and (6) for wear and proper running

clearance.

Bearing clearance must be 0.0015 -

0.0035 Inch (0.038 - 0.089 mm).

c. Remove camshaft (2).

2-190