5-376-000094
REV. 3 - 03/10
Section III: Maintenance
Page 84
TROUBLESHOOTING
P.T.O. FUNCTIONING IMPROPERLY
Problem
Cause
Solution
Cable tight or frozen
a. Cable kinked or bent
a. Straighten or replace
b. Cable and PTO connection b. Inspect and adjust
not adjusted properly
c. Mounting bracket nuts are c. Loosen if necessary
over tightened at P.T.O.
Rattling noise in P.T.O. a. P.T.O. backlash too loose
a. Shims must be removed
(Consult P.T.O. Manual)
Howling noise in P.T.O. a. P.T.O. backlash too tight
a. Shims must be added
(Consult P.T.O. Manual)
Gear oil leak between a. Defective shaft seal
a. Remove and replace
P.T.O. and pump
P.T.O. will not engage
a. Cable and PTO connection a. Inspect and adjust
or disengage
not adjusted properly
b. Defective shifter cover
b.Inspect and replace
HYDRAULIC PUMP
Problem
Cause
Solution
Pump noisy
a. Low oil supply
a. Fill to proper level
(Cavitation)
b. Heavy oil
b. Fill with proper oil (See chart)
c. Dirty oil filter
c. Replace filter
d. Restriction in suction line
d. Clean out and remove
e. Pump worn
e. Repair or replace
Pump slow or fails
a. Low oil supply
a. Fill to proper level
to respond
b. Cold Thick Oil
b. Drain and refill with a low
temperature oil.
Oil heating up
a. Foreign material lodged in
a. Inspect and remove/replace
relief valve
filter
b. Using too light oil
b. Drain and refill with clean oil
c. Dirty oil
c. Drain, flush and refill with
clean oil/replace filter
d. Oil level too low
d. Fill to proper level
e. Pump worn (slippage)
e. Repair or replace
Oil foaming
a. Air leaking into suction line a. Tighten all connections
b. Wrong kind of oil
b. Drain and refill with
non-foaming type of hydraulic
oil (See lube chart)
Replace filter
c. Oil level too low
c. Refill to proper level
Ea
st
ern
W
re
cke
r Sa
le
s
In
c