TM 9-2320-272-24-1
14.
Loosen four clamps (8) on crossover tube (9) and two hoses (7).
15.
Slide two hoses (7) over crossover tube (9) and remove crossover tube (9) from turbocharger (13) and
aftercooler (15).
16.
Remove six screws (3), O-rings (2), and valve cover (1) from cylinder head (14). Discard O-rings (2).
17.
Turn valve cover (1) upside down, depress locking tabs (6) on vent connector (5), and remove vent
connector (5) and O-ring (4) from valve cover (1). Discard O-ring (4).
18.
Remove filler cap (11) and seal (12) from valve cover (1). Discard seal (12).
WARNING
Drycleaning solvent is flammable and toxic. Do not use near an
open flame and always have a tire extinguisher nearby when
solvent is used. Use only in well-ventilated places, wear protective
clothing, and dispose of cleaning rags in approved container.
Failure to do this may result in injury to personnel and/or damage
to equipment.
1.
Clean remains of valve cover gasket (16) and sealing compound from valve cover (1) and cylinder
head (14).
2.
Clean breather tube (18) with drycleaning solvent and dry with clean rag.
3.
Inspect breather tube (18) for obstructions or collapsed and bent sections that could cause
restrictions. Remove obstructions or replace breather tube (18) if bent.
4.
Inspect hoses (19) and (20) for obstructions, tears, flat spots, or other deformities that could cause
restrictions. Remove obstructions or replace hoses (19) and (20) if torn or deformed.
5.
Inspect vent connector (5). Replace if nicked, cracked, or damaged.
6.
Inspect valve cover (1) for distortion, cracks, or nicks in casting that would prevent a tight seal.
Replace if damaged.
1.
Install new seal (12) and filler cap (11) on valve cover (1).
CAUTION
Valve cover gasket must extend into overlap area. Trim excess
overlap, and do not stretch valve cover gasket. Damage to gasket
may result.
2.
Turn valve cover (1) upside down and install new valve cover gasket (16) on valve cover (l),
overlapping ends in the overlap area (17). Apply gasket compound to overlap area (17).
3.
Compress locking tabs (6) of vent connector (5), and install new O-ring (4) and vent connector (5) on
valve cover (1).
4.
Install valve cover (1) on cylinder head (14) with six new O-rings (2) and screws (3). Tighten
screws (3) 18 lb-ft (24 Nm).
CAUTION
Ensure covers are removed from turbocharger intake output port
and aftercooler inlet port prior to installing crossover tube. Failure
to do so may cause damage to equipment.
5.
Install crossover tube (9) by sliding two hoses (7) onto turbocharger (13) and aftercooler (15) and
tighten four clamps (8).
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