(22) Install oil pump assembly.
12-7. CYLINDER BLOCK ASSEMBLY.
(6) Remove crankshaft, connecting rods, and pistons (para. 12-6).
(8) Do not remove oil filler neck and captive cap assembly or stud
unless inspection reveals damage.
(9) Do not remove studs (17 and 18) or guide pin (21) unless inspec-
tion reveals damage.
(10) Do not remove studs (15) and guide pin (6) unless inspection
(11) Do not remove studs (9, 10, 11, 12, 13, and 14) or guide pin
(20) unless inspection reveals damage.
(12) Remove screws (47), flat washers (48), and lockwashers (49) to
remove cover plate (50) and gasket (51) from cylinder block
(13) Do not remove plugs (6 or 7) from cylinder block (42) unless
replacement is necessary.
Cleaning, Inspection, and Repair.
(1) Clean sludge and dirt deposits from cylinder block with dry
cleaning solvent. If necessary, block can be steam cleaned.
(2) Clean all oil and water passages.
(3) Scrape carbon deposits from top of block.
(4) Remove gasket remains from all mating surfaces.
(5) Perform magnetic particle inspection of cylinder block in accor-
dance with MIL-I-6868.
(6) Inspect cylinder bores for scores and scratches. Minor scratches
and scores may be removed by honing. If necessary, cylinder
bores may be rebored to accept up to 0.060 inch oversized pis-