Westerbeke 30 - Page 108

C. Trouble Shooting Chart
PROBLEM
GEAR INOPERATIVE
Drive Shaft does not operate
with selector valve in forv,ard
or reverse.
S.33
POSSIBLE CAUSES AND METHODS OF CORRECTION
1. Low on Pressure.
2.
High Oil Temperature
3. Reverse Band not
engaging Planetary
Gear Cage.
4. Failure of Planetary
Assembly.
5. Failure of Reduction
Gear.
a. Low oil supply. Add oil. refer to
lubrication.
b.
Faulty oil gauge. Replace gauge.
on gauge slow to register. air or
obstruction in on gauge line. Clean
and bleed oil gauge
line.
c.
Plugged oil lines or passages.
Clean lines or passages.
d.
Oil pressure relief valve scored
and sticking. Remove relief valve.
Clean valve and valve
bore in
control valve housing with crocus
cloth to free valve. or replace.
e.
Defective pistons and oil distributor
seal rings. Replace seal rings.
f.
Defective
oil pump. Check for wear
and replace if necessary.
a.
Low oil supply.
Add
oil. refer to
lubrication.
b. Low water level in cooling system.
Add v'ater. and check for leaks.
c. Plugged raw water inlet screen.
Clean screen.
d. Collapsed or diSintegrated water
inlet hose. Replace hose.
e. Air leak in cooling water sucUon
line. Replace suction line.
f. Raw watar pump impeller worn or
damaged. Replace impeller.
g. Clogged or dirty oil cooler element.
Remove and clean
a. Reverse band lining worn out.
Replace
lining.
b. Defective reverse piston "0" ring.
Replace "0" ring.
Remove gear case assembly. and check
for defective or damaged parts. Replace
defective
or damaged parts.
Remove reduction gear assembly and
check
for defective or damaged parts.
Replace defective or damaged parts.