Section 03 ENGINE
Sub-Section 05 (TOP END)
03-05-17
787 Engine
The exhaust manifold is used to align cylinders.
787 ENGINE
1. Aligning cylinders using exhaust manifold
17,18, Cylinder Screw
717 Engines
Apply synthetic grease below the screw head.
Apply also Loctite 242 (blue) on screw threads.
Install and torque screws in a criss-cross se-
quence for each cylinder to 24 N•m (17 lbf•ft). Re-
fer to the following illustration.
787 Engine
Prior installation, apply synthetic grease below
screw head and Loctite 515 on screw threads.
Install M10 x 105 screws on exhaust side and the
M10 x 73,5 on opposite side.
Torque screws in a criss-cross sequence for each
cylinder to 20 N•m (15 lbf•ft). Repeat the proce-
dure, retightening all cylinder screws to 40 N•m
(30 lbf•ft).
2, Cylinder Head
Make sure to install O-rings
no. 12
around spark
plug holes and O-ring
no. 31
of cylinder head as
shown in the following illustration.
1. O-rings
Apply Loctite 515 in O-ring groove of cylinder
sleeves.
Install cylinder head.
F00D0FA
1
F01D35A
1 4 1 4
3
2 3 2
F01D7FA
2 3 3 2
4 1 1 4
F01D5AA
1
1
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