| |
ENGINE, FUEL, EXHAUST AND
4-6.
Rocker Arm Assembly
COOLING TROUBLESHOOTING
and Valve Cover. (Sheet
CLEANING/INSPECTION
12.
13.
14.
15.
16.
17.
Inspect setscrew (25) for wear at
contact surface and for thread wear.
Replace worn setscrew (25).
Inspect valve stem contact surface
on 12 rocker arms (18).
Replace
rocker arms (18) if severely worn.
Measure outside diameter of five
springs (20).
Outside diameter
should be 1.02 inches.
Measure free length of five springs
(20).
Length should be 4.06 inches.
Using a spring resiliency tester,
apply 7 lb. compression load to five
springs (20) and measure test
length.
Length of five springs (20)
should be 2.07 inches.
Inspect all other parts.
Refer to
paragraph 2-9.
ASSEMBLY
18.
Using a flat tip screwdriver and 9/16”
open end wrench, install nut (26) and
setscrew (25) on rocker arm (18).
19.
Apply liquid gasket to threads on
plugs (23 and 22) and in shaft (24)
and install plugs (23 and 22) in shaft
(24).
TM 10-3930-643-34
AND MAINTENANCE.
5 of 9)
Go to sheet 6
4-55
|
