ROCKER ARM ASSEMBLY REPLACEMENT - continued

TM 10-3930-673-34

3-18. ROCKER ARM ASSEMBLY REPLACEMENT (CONT)

e. Assembly.

NOTE

Be sure to assemble intake rocker

arm and exhaust rocker arm in the

correct location.

Assemble rocker arm assembly (1).

(a)

Assemble adjusting screws (3) and

nuts (2) to rocker levers (10 and 11).

(b)

Lubricate both ends of support (12)

shaft with engine lubricating oil.

(c)

Check to make sure adjusting

screws (3) are completely backed

out.

(d)

Assemble intake rocker arm (10)

and exhaust rocker arm (11) onto

support (12) shaft.

(e)

Install two washers (9), retaining

rings (8), and new expansion

TR01439

plugs (7) if removed.

(f)

Repeat Steps (a) through (e) for the other five rocker arm assemblies (1).

f. Installation.

(1)

Install 12 push rods (6) into same position in engine as originally placed. Lubricate push

rod sockets with clean engine oil.

(2)

Install rocker arm assembly (1) in original position. Tighten screws (5) to final torque

value in three steps.

(a)

Position rocker arm assembly (1) on cylinder head.

(b)

Apply clean lubricating oil to threads and under heads of screws (4 and 5).

(c)

Install screws (4 and 5) in rocker arm assembly (1). Tighten screw (4) to 18 lb-ft (24.40 Nm).

Tighten screw (5) in three steps as follows:

Step

Torque Value

29 lb-ft (39.32 Nm)

62 lb-ft (84.06 Nm)

92 lb-ft (124.74 Nm)

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