journal should be 1.2465-to 1.2475-inches. Replace
and camshaft bearing which should be 0.002-to 0.004-
camshaft whose journals are worn 0.001 inch more
If clearance exceeds 0.004 inch, replace
than the minimum diameter.
(3) Check camshaft end play. Mount a dial
bearings. The inside diameter of the front bearing
indicator on the engine with indicator pointer resting
should be 1.8745-to 1.8755-inches.
against camshaft gear. Move gear and shaft to their
intermediate should be 1.8115-to 1.8125-inches. The
limits of travel and observe dial indications. End play
rear intermediate should be 1.7495-to 1.7502-inches.
should be 0.005-to 0.009-inch. If end play exceeds
The rear bearing should be 1.2495-to 1.2505-inches.
(1) Install bearings and camshaft as illustrated in
(2) Check clearance between camshaft journal
Section VI. BLOCK
The engine block is a solid, one-piece, iron alloy casting.
It houses the crankshaft, camshaft, connecting rods,
pistons, and valves. The block has full length water
jackets around the cylinders and has water passages
(2) Remove camshaft (para 5-10).
around the valves for cooling. Drilled oil passages carry
oil under pressure to all bearings and moving parts
(4) Remove and disassemble parts from engine
1.Plug, expansion (9)
9 Plug (3)
2 Stud (3)
11 Stud (8)
4 Stud (3)
12 Stud (2)
13 Stud (2)
7 Stud (2)
15 Engine block
Figure 5-12. Engine block. exploded view.