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TESTING AND ADJUSTING
Possible cause
(1) Engine not delivering enough
power
(2) Not enough oil
(3) Air being sucked into gear pump
(4) S ticking or bound spool in main
relief vaive
(5) Weakened spring in main relief
valve.
(6) Worn-down gear pump
(7) Strainer or filter clogged
(8) Badly worn clutch piston ring or
0-ring
(9) Water in oil
(10) Control linkage maladjusted
(11) Slipping clutches due to low main
pressure
(12) Damaged clutch piston
(13) Dragging wheel brakes
(1) Control linkage maladjusted
(2) Burnt clutches
(3) Clutch piston, friction plates or
mating plates binding.
(4). Clutch valve seized, resulting
in no pressure drop
(5) Oil level too high or too low
(1) Air being drawn into oil circuit
(2) Water in oil
(3) Burnt or worn bearings
(4) Instrument out pf order
(5) Dragging clutches
(6) Clutch valve linkage maladjusted
(7) Dragging brakes
(8) Continuous overloading of
machine
o
Refill.
Check joint and replace packing
• as necessary.
°
Disassemble and repair or
replace.
o
Disassemble and replace the spring.
Replace.
Clean or replace.
Disassemble and replace.
Change oil.
°
ReadjusL
o
Readjust.
Disassemble and replace.
Readjust.
Readjust.
Disassemble and replace burnt
parts.
Disassemble, repair or replace.
Disassemble, repair or replace.
replace.
Replace.
Replace friction and mating
plates.
Readjust.
Readjust.
o
Avoid abusive use of machine.
Complaint
Not enough ou~ut.
Remedy
Re-tune engine.
Transmission does not shift
into neutral even if control
lever is moved into neutral or
inching pedal is depressed.
Abnormal oil temperature rise.
Adjust to the prescribed level.
°
Retighten joints and connections,
replace gaskets, or check oil
level and add oil, as necessary.
°
Change oil.
o
Disassemble and repair or
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