Replace Rocker Lever Group. (FIGURE 2-37)

TM 55-1905-223-24-4

2-38. Replace Rocker Lever Group. (FIGURE 2-37)

This task covers:

a. Removal,

b. Replacement.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's

Engine secured and tagged "Out of

rail and marine diesel engines,

Service" (TM 55-1905-223-10).

Battery banks disconnected.

Combination wrench set, metric

Turbocharger assembly removed

10mm thru 24mm,

5120-01-046-4979

Valve covers removed (para. 2-37).

Torque wrench kit P/N 3377216

Materials/Parts

Lubricating oil, Item 14,

Appendix C

Warning tags, Item 21, Appendix C

REMOVAL

a. Loosen nuts (4) on rocker lever adjustment screws (5) and loosen screws until they stop.

b. Remove capscrews (2) from support (1).

Remove support/head bolts (3) from shaft support (1).

d. Lift off the support and rocker lever assemblies.

e. Remove push rods (6).

REPLACEMENT

a. Position push rods (6) into the valve tappets.

b. Lubricate push rod sockets with engine oil.

Lubricate valve stems with engine oil.

d. Completely loosen the rocker lever adjusting screws (5).

e. Align rocker lever support (1). Install support and capscrews (2).

2-97