Westerbeke 30 - Page 135

ENGINEERING CHANGES
PART NUMBERS
Valve
Block Approx I Water Head Exhaust Intake Valve Spring
Description Serial
No. Years Block Pump Head Gasket Valve Valve Cotter TJU! Cup
15BB/U/*
* = 1503 Not
thru 4389 69-71 Avail.
14485 14601 14458 14457
14546
14575
AEH 1052/*
*
= 501
thru 600
and 56815
thru 56854
72,73
NO ENGINEERING CHANGES.
Slight fresh
water
pump
modification
not affecting
AEH 1061/*
interchange-
*
= 106
ability. thru 326 73
14604
Major water
pump/block
change -
impeller diameter
from 2-9/16" to
2-13/16"
and new
valve design
requiring
new
15P/786A/*
valves, cotter &
* = 0101
Not
spring cup thru 0443
74,75
Avail.
17909
17626
17631
20716 20261
Bi gger water
passages
requiring
new
15P/786A/*
block,head and
* = 0444
head gasket.
onwards
76
14470
17852 17892
Valve
Stem
Seal
14576
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