Westerbeke 8.0KW-60Hz Service Manual page 37

ASSEMBLY
11. Front plate installation,
a. Scrape the gasket from the cylinder block and front
plate.
b. Coat the gasket contact surface of the cylinder block
with adhesive and put a new gasket in position, making
sure the holes in the gasket are all in alignment with
the holes in the cylinder block.
c. Put the front plate in position. Install four bolts and
tighten them.
12. Oil pump installation.
a. Make sure the packing has been put in position on the
oil pump. .
b. Put the oil pump in position on the cylinder block.
Install the bolts and tighten them evenly.
c. Make sure the oil pump gear rotates freely.
13. Engine turning ...
a. Install two bolts (M12 x 1.25) in the flywheel bolts
holes in the crankshaft.
b. Put a bar between the bolts and turn the crankshaft to
bring No.1 piston to the top center as shown in the
illustration.
~ ~~
J'~r:~"
INSTALLED
BOLTS
14. Fuel injection pump camshaft installation.
a. Put the camshaft (with bearing and gear) in. position in
the cylinder block. .
b. Hit the gear with a plastic hammer to fit the bearing in
position.
c. Make sure the camshaft rotates freely.
d. Tighten the stopper·bolt.
. 15. Camshaft installation.
a. Lubricate the lobes and journals with engine oil.
b. Put the camshaft (with gear) in position in the cylinder
block.
A
CAUTION:
00 not cause damage to the lobes
and journals when the camshaft Is installed.
Co
Tighten the bolts that hold
ihe
thmst plate to the
specified turque ..
TORQUE: 8
±
0.7Ib·fI (1.1
±
0.1 Kgf·m)
d. Make sure the camshaft rotates freely, Check the end
plai for the camshaft.
16. IdIer gear installation.
. '
a. Lubricate the idler gear with engine oil.
b. Install the'idler gear in position with its "3", "2" and.
"11" marks in alignment with the the "33" mark on the
fuel injection pump camshaft gear, the "22" mark on
the camshaft gear and the "1" mark on the crankshaft
gear respectively.
c. Check the backlash of the gears. Make reference to
Timing gear backlash measurement.
17. Timing gear case installation.
a. Coat the gasket with adhesive and put it in position on
. the front plate.
b. Lubricate the oil seal with engine oil..
. c. Tighten the bolts that hold the timing gear case.
18. Crankshaft pulley nut tightening.
a. Install two bolts (M12 x 1.25) in the flywheel bolt holes
in the crankshaft and hold the crankshaft.
b. Tighten the crankshaft pulley nut to the specified \
torque. .
TORQUE: 127
±
181b·ft (17.5
±
2.5 Kgl·m)
A
WARNING:
Check the strength of the bolts and
bar used for holding the crankshaft.
19. P.T.O. gear installation. Install the P.T.O. gear in
position in the timing gear case with the side that has no
oil hole toward the rear of the engine .
20. 'fuppet installation. Lubricate the tappets with engine oil
and put them in position in the cylinder block.
21. Oil seal case installation.
a. Put a new gasket in position on the oil seal case.
b. Lubricate the oil seal with engine oil and install the oil
seal in position in the cylinder block.
22. Rear plate installation.
a. Put a new gasket in position on the rear plate.
b. Put the rear plate in position on the cylinder block with
its dowel holes in alignment with the dowels. Tighten
the bolts that hold the rear plate to the specified torque.
TORQUE: 47
±
7 Ib·1I (6.5
±
1 Kgl·m)
NOTE: Install the starter to the rear plate before installing t"e
plate to the cylinder block for convenience of rear plate
installation.
Engines & Generators
31