"
C:05:02
Engine
TIGHTENING
This operation is carried out when the cylinder
heads are fitted with new gaskets.
Pre-torque tighten all bolts to 15 lb/ft (20 Nm)
then to 45 lb/ft (60 Nm) in the correct sequence
to compress the head gaskets.
Loosen bolt No. 1 and retorque. Tighten it to 15
Ib'ft
(20 Nm).
Repeat the above on each bolt in the tightening
sequence shown opposite.
Slip the graduated disc over the socket before
fitting the torque wrench and lock it as previously.
Adjust the mobile pointer to angular tightening
value
115°.
Tighten bolt No. 1 until the moving pointer
reaches "0".
Repeat the above operation on each bolt in the
sequence shown.
Then commence "retightening" operations after
running the engine.
ADJUSTING ROCKER ARM CLEARANCES
Clearances with engine
cold.
inlet: 0.10
(.004")
exhaust: 0.25
(.010")
FIRST METHOD
Adjust the rocker arms on eacn cylinder head
in
turn.
R.H. cylinder head.
®E1
O
#Erj
O A2® Arj»
Fig. 26
¥
JuL
0
A1®
•E
2
A2«
n
t
/
• E1
|A1«
SE
2
O
O A3S
•
I—
i
i
Rocker arms
"on the rock"
11 —El
I2-E2
I3-E3
®
Rocker arms in position
for adjustment
Inlet
13
11
12
Exhaust
E2
-• 1
E3
E1 i
i
(Ml
I
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