TM-9-2815-205-34
ENGINE WITH CONTAINER; MODELS 5063-5299, 5063-5392, 5063-5393, 5063-5395, 5063-5398, 5063-539F, 5063-539L
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
AUGUST 1992
TM-9-2815-205-34 - Page 436 of 596
TM 9-2815-205-34
3-64. CYLINDER HEAD ASSEMBLY REPAIR (Cont)
(q)
(r)
(s)
(t)
(u)
Apply a few drops of cutting oil on bevel seat of injector tube (80). Lower bevel reamer (89)
carefully into injector tube until it contacts bevel seat.
For trial cut, turn bevel reamer (89)
steadily without applying any
downward force. Remove reamer,
clean out chips, and observe what
portion of injector nut seat was cut.
Proceed with reaming and withdraw
bevel reamer occasionally to observe
progress.
Continue reaming until shoulder of
spray tip is within +/- 0.014 inch (0.36
mm) of fire deck. Use gages (88 and
87) to measure distance.
Wash interior of injector tube (80).
(10) Throttle delay housing assembly
Inspect throttle delay check valve for leakage. Fill throttle delay cylinder with fuel oil and watch
check valve for leakage while slowly moving piston into housing. If more than a drop of leakage
occurs, replace check valve.
e. Assembly
NOT E
(1)
(2)
(3)
(4)
(5)
(6)
(7)
•
Coat plugs and fittings with sealing compound before installing.
•
Drive expansion plugs flush to 0.0625 inch (1.588 mm) below surface of cylinder head.
If removed, install three expansion plugs (36) in sides of cylinder head, one plug on inboard
side and two plugs on outboard side.
If removed, install sleeve (37) on inboard side of cylinder head at rear. Coat sleeve with sealing
compound and drive into bore until it protrudes 3/8 inch.
Install adapter (44) into bore at outboard side of cylinder head; lower front hole on left head and
lower rear hole on right head. Apply sealing compound to adapter and drive flush to 0.03 inch
(0.76 mm) below surface.
Install fuse plug (38) into adapter (44).
Install three expansion plugs (45) at outboard side of cylinder head.
Install four pipe plugs (46) in fuel galleries on inboard side of cylinder head.
Install pipe plug (47) in oil gallery at each end of cylinder head.
3-306
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