REMOVAL - TM-5-4210-224-14-P0499

TM5-4210-224-14&P

6-6.

HYDRAULIC LIFTER MAINTENANCE. (Continued)

REMOVAL

a. Remove guide clamps (1) and guide plates (2).

b. Remove hydraulic lifters through the access hole in the cylinder head using the hydraulic lifter remover and a

magnet.

INSPECTION

a. Check hydraulic lifter body for scuffing and scoring; Replace the lifter if wear or damage is evident.

b. Check the roller for looseness and excessive play, missing or broken needle bearings; replace if necessary.

INSTALLATION

NOTE

New hydraulic lifters must be primed before installation. Damage to the lifters may result if dry when

the engine is started. Prime new lifters by working lifter plunger while submerged in clean kerosene

or diesel fuel.

a. Coat the lifter roller and bearings with lubricant (Appendix D, Item 22).

b. Install filers into their original positions in the cylinder block using a rigid mechanics wire or welding rod for

fabricating a device to facilitate installation.

c. Install valve lifter guide plates (1).

d. Install guide plate clamps (2) with clamp bolt and torque to 18 ft-lbs (26 N-m).

e. Install rocker arms (paragraph 6-5).

f. Install rocker arm cove (paragraph 4-112).

6-7.

VALVE, STEM SEALS, AND SPRING MAINTENANCE.

This task covers:

a. Removal

b. Inspection

c. Installation

Equipment

Condition

INITIAL SETUP

Para.

Condition Description

Tools

4-112

Rocker Arm Cover Removed

General Mechanics Tool Kit

6-5

Rocker Arm, Shaft and Push

Valve Grinder

Rods Removed

Mallet

6-6

Hydraulic Lifters Removed

Air Line Adapter (J-29666)

Valve Spring Compressor (J-26513)

General Safety Instructions

Engine OFF

Materials/Parts

Transmission in (N) neutral.

Valve Seal (3835333)

Parking brake and micro-brakelock set.

Grease (Appendix D, Item 15)

6-7