TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 71 of 1258
3 - 5 . RIGHT CYLINDER HEAD REPLACEMENT (Cont'd)
TM 9-2320-280-34
b. Installation
CAUTION
Head gasket must be used without a sealer. Sealant may cause
leaks or damage to engine.
1.
Install head gasket (8) over dowel pins (6) on cylinder block (7).
NOT E
Use of cylinder head lifting device is optional.
1.1. Install cylinder head lifting device on center of cylinder head (4) with two washers (4.2) and
capscrews (4.1).
2.
Apply pipe sealing compound to threads of seventeen capscrews (5).
3.
Install cylinder head (4) on cylinder block (7), and remove two capscrews (4.1), washers (4.2), and
cylinder head lifting device, if installed, from center of cylinder head (4).
CAUTION
Failure to tighten cylinder head capscrews in proper torque
sequence may result in leaks or damage to cylinder head.
3.1. Install seventeen capscrews (5) and tighten to 20 lb-ft (27 N
•
m) following torque sequence.
4.
Tighten seventeen capscrews (5) to 50 lb-ft (68 N·m) following torque sequence.
NOTE
Mark capscrews after torque turn to prevent retightening.
5.
Tighten seventeen capscrews (5) an additional 90° following torque sequence and mark capscrews (5).
6.
Install transmission dipstick tube (2) on cylinder head (4) with capscrew (1). Tighten capscrew (1) to
25-37 lb-ft (34-50 N
•
m).
7.
Install cold advance switch (3) on cylinder head (4).
3 - 1 2 . 2
Change 1
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