9
5
6
8
7
11
10
16
17
18
TM 9-4940-568-20
8-8
8-3. ENGINE ROCKER ARM, COVER AND GASKET REPLACEMENT (CONT).
e.
Installation.
To prevent damage to the engine
or pin, disengage the pin after
locating Top Dead Center (TDC).
(1)
Remove cover from engine (16).
(2)
Install engine turnover tool (17) on engine
(16).
NOTE
When engine timing pin engages
hole in camshaft gear, cylinder
number one is at TDC on the
compression stroke.
(3)
Using engine turnover tool (17), turn engine
slowly while pressing the engine timing pin
(18) and locate TDC for cylinder Number 1.
(4)
Lubricate push rod sockets on engine head
(10) with lubricating oil.
(5)
Install two push rods (11) in push rod
sockets on engine head (10).
(6)
Ensure rocker lever adjusting screws (6) are
completely backed out.
(7)
Lubricate threads and underheads of long
screw (7) and short screw (8).
NOTE
Ensure dowl ring on bottom of
pedestal aligns with dowl bore on
engine head.
(8)
Install rocker arm assembly (9) on engine
head (10) with long screw (7) and short
screw (8). Tighten long screw to 66 lb-ft (90
N.m).
(9)
Tighten long screw (7) to 90 lb-ft (120
N.m). Rotate long screw an additional 90.
(10) Tighten short scerw (8) to 18 lb-ft (24 N.m).
