Westerbeke W-46 - Page 12

ENGINE DISASSEMBLY
Disassemble in the following order:
1. Remove cylinder head rocker
cover.
2. Remove the rocker shaft
assembly as follows:
a. Loosen and remove union nut.
(1)
b. Loosen
bolts
( 3) •
and remove
(2) and long
short
bolts
c. Remove rocker shaft assembly
( 4) •
d. Remove oil pipe (5) and a-
rings (2 pes-to be replaced
with new ones).
e. Remove valve push rods and
valve caps.
3. Remove the cylinder
assembly as follows:
a. Loosen cylinder head
in reverse order
tightening and remove.
head
bolts
of
12
4 6
0 0
14
@J
16
8 7
0 0
0
17
15
5 3
0 0
13
@)
11
0
9
b. Remove the cylinder head and
gasket.
Cylinder Head Bolt Tightening Sequence
4. Remove the oil pan and oil pump
assembly as follows:
a. Loosen and remove attaching
bolts and remove oil pan and
gasket.
b. Loosen and remove
bolts and remove
assembly.
attaching
oil pump
Eng1'nes & Generators
10