TM 5-3825-226-24
VALVE COVERS
(1)
Tighten bolts in sequence shown
to a torque of ...................10 ± 2 lb. ft. (14 ± 3 N m)
VALVE ROCKER ARMS AND CAM FOLLOWERS
(1)
Torque for bolts holding
rocker arms .....................18 ± 5 lb. ft. (24 ± 7 N m)
(2)
Torque for lock nut for valve
adjustment screw ................24 ±5 lb. ft (30 ± 7 N m)
(3)
Diameter of the shaft for
the rocker arms ................... .8580 to .8588 in. (21.793 to 21.814 mm)
Minimum permissible diameter (worn) ............. 8570 in. (21.768 mm)
Bore in bearings for the
rocker arms (new).................... .8603± .0008 in. (21.852 ± 0.020 mm)
Maximum permissible bore (worn)8630 in. (21.920
mm)
Maximum permissible clearance between bore
in bearing and shaft (worn) .......... 005 in. (0.13 mm)
(4)
Clearance for valves (intake valve) 015 in. (0.38 mm)
Clearance for valves (exhaust valve) 025 in. (0.64 mm)
(5)
Diameter of cam
follower ...... 1.1589 ± .0004 in. (29 436 ± 0 010 mm)
Minimum permissible diameter (worn) ......... 1.1575 in. (29.401 mm)
Bore in block for cam
follower ...... 1.1624 ± .0010 In. (29.525 ± 0.025 mm)
Maximum permissible bore (worn) ..................1.1650 in. (29.591 mm)
(6)
Torque for the thrust pin for the
camshaft .........................35 ± 5 lb. ft. (45 ± 7 N m)
1-12
