TM 9-2320-363-34-2
CYLINDER HEAD REPAIR (CONT)
11.
12.
CHECK CYLINDER HEAD (2) FIRE DECK FOR LONGITUDINAL WARPAGE IN 5 PLACES (1 THRU
5) AND TRANSVERSE WAR PAGE AT 12 PLACES (A THRU L). FIRE DECK MUST BE FLAT WITHIN
0.005 IN. (0.120 mm) FRONT-TO-REAR, AND 0.003 IN. (0.076 mm) SIDE-TO-SIDE. IF NOT,
RESURFACE FIRE DECK.
CAUTION
Maximum amount of resurfacing is 0.030 in. (0.762 mm). Limit resurfacing to
0.030 in. (0.762 mm). If exceeded, replace cylinder head to prevent damage
to equipment.
NOTE
If cylinder head requires resurfacing, remove and discard injector tubes.
RECORD AMOUNT OF STOCK REMOVED FROM CYLINDER HEAD BY STAMPING AMOUNT
REMOVED ON PAD (18) ON FRONT OF CYLINDER HEAD. MEASURE FROM TOP RAIL (19) TO
FIRE DECK SURFACE (20). RESURFACE FINISH MUST BE 90 U IN. AA (2.3 UM AA).
12-20
