Operator`s manual
The alternator and water 
pump 
drive belt(s) is/are properly adjusted W the belt can be deflected no less than 
3/8 inch and 
no 
more than 1/2 inch 
(10 
mm, 12 mm) as the belt is depressed with the thumb at the midpoint 
between the two 
pulleys on the longest span of the belt.  (See the figure below.)  A spare drive belt should 
be carried 
on 
board. 
Alternator and Water Pump Selt Tension 
Westerbeke 
Diesel 
Engines 
56 










