Section 6 - Maintenance
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P.T.O. FUNCTIONING IMPROPERLY
Problem Cause Solution
Intermittent operation a. Poor Electrical connection a. Check electrical connections
Rattling noise in P.T.O. a. P.T.O. backlash too loose
(Consult P.T.O. Manual)
a. Shims must be removed
Howling noise in
P.T.O.
a. P.T.O. backlash too tight
(Consult P.T.O. Manual)
a. Shims must be added
Gear oil leak between
P.T.O. and pump
a. Defective shaft seal a. Remove and replace
P.T.O. will not engage
or disengage
a. Electrical circuit wiring
b. Solenoid Valve
malfunctioning
c. Blown fuse
a. Check/repair electrical wiring
problem circuit.
b. Repair or replace
c. Replace fuse
HYDRAULIC PUMP
Problem Cause Solution
Pump noisy
(Cavitation)
a. Low oil supply
b. Thick oil
c. Dirty oil fi lter
d. Restriction in suction line
e. Pump worn
a. Fill to proper level
b. Fill with proper oil (See chart)
c. Replace fi lter
d. Clean out and remove
e. Repair or replace
Pump slow or fails to
respond
a. Low oil supply
b. Cold Thick Oil
a. Fill to proper level
b. Drain and refi ll with a low
temperature oil
Oil heating up a. Foreign material lodged in
relief valve fi lter
b. Using too light oil
c. Dirty oil
d. Oil level too low
e. Pump worn (slippage)
a. Inspect and remove/replace
b. Drain and refi ll with clean oil
c. Drain, fl ush and refi ll with
clean oil/replace fi lter
d. Fill to proper level
e. Repair or replace
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