Westerbeke 8.0 KW-60Hz SBEG Operator's Manual page 33

ENGINE ADJUSTMENTS
NOTE:
WESTERBEKE recommends tluit the following engine
adjustments be pelformed
by
a competent engine mechanic.
The infonnation below is provided to assist the mechanic.
Timing Belt Inspection
Replace the belt if any of the following conditions exist:
1. Hardening of back rubber-back side is glossy, without
resilience, and leaves no indent when pressed Witll
fingernail.
2. Cracks on rubber back.
3. Cracks or peeling of canvas.
4. Cracks on tooth bonom.
5. Cracks on belt.
6. Abnormal 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 nUssing and canvas fiber exposed.
CRACKS
PEEUNG
~ .
-
-.
,
·:t~~;
.. : . .
,~
. . .
3.
5.
7.
4.
~ - .~.
IROUNDED EDGE
.-~
',
...
.'.:.:.
',' ",: .... :/, .. ,: ;'::::-. ABNORMAL WEAR
~
-i,"'" ;..,:, . .
!: ..
;.;.:~.\("
..
{FLUFFY STRAND)
....
.
6.
8.
Sprocket Bolt Installation (Camshaft)
Using the special tools shown in the illustration, lock the
camshaft sprocket in position and tighten the camshaft
sprocket bolt to the specified torque.
LOCKING THE CAMSHAFT SPROCKET
Belt Tensioner Inspection
Replace the belt tensioner if it binds, rattles, or is noisy when
turned.
Tensioner Spring Installation
1.
Lock tlle tinung belt tensioner in the illustrated position.
TIMING BELT
TENSIONER
2. Fit one of the tensioner spring projections over the hooked
portion of the belt tensioner and fit the tensioner onto the
oil pump case.
ENS lONER
SPRING
3. Grip the other tensioner spring projection and fit it onto
the oil pump case lug as shown in the illustration. Move
the timing belt tensioner in the direction shown and .
temporarily tighten the bolt.
/
OIL PUMP CASE
.TlMING BElT
'TENSIONER
TENSIONER
SPRING
Engines & Geperators
22