Westerbeke 5.0KW BCG-60Hz Operator's Manual page 30

ENGINE ADJUSTMENTS
NOTE: WESTERBEKE recommends that the following engine
adjustments be peiformed by a competent engine mechanic.
The information below is provided to assist the mechanic.
Crankshaft Bolt Removal
i.
Lock the crankshaft in position.
NOTE: Do not turn the crankshaft.
2. Remove the crankshaft bolt.
Timing Belt Inspection
Replace the belt if any of the following conditions exist:
I.
Hardening of back rubber-back side is glossy, without
resilience, and leaves no indent when pressed with fin-
gernail.
2. Cracks on rubber back.
3. Cracks or peeling of canvas.
4. Cracks on tooth bottom.
5. Cracks on belt.
6. AbnOlmal wear of belt sides. The sides are normal if
they are sharp as if cut by a knife.
7.
Abnormal wear
on
teeth.
8. Tooth missing and canvas fiber exposed.
CRACKS OR
PEELING
RUBBER
EXPOSEO-,
----ho
,
3.
5.
7.
Tensioner Inspection
6.
8.
ABNORMAL WEAR
(FLUFFY STRANO)
TOOTH MISSING
AND CANVAS
FIBER EXPOSED
1.
Replace the tensioner if the pulley binds, rattles or is noisy
when turned.
Flange Installation
1. Mount the flange so that
its
side shown by the heavy
anow in the illustTation faces toward the sprocket.
FLANGE
rfWASHER
-~--=W
Crankshaft Bolt Installation
1.
Lock the crankShaft.
NOTE:
Do not turn the crankshaft.
2.
Tighten the crankshaft bolt to the specified torque.
Oil Pump Sprocket Flange Nut Installation
1. Insert a round bar into the plug hole in the left side of the
cylinder block to keep the counterbalance shaft fTom turn-
ing.
2. Install the oil pump sprocket.
3. Tighten the nut to the specified torque.
Camshaft Sprocket Bolt Installation
1. Tighten the bolt to the specified torque.
Bearing Cap Bolt Torque 36 40 fUbs (50 -55 Nm)
lOll PUMP
SPROCKET
BOLT
Engines & Generators
23