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Change oil, replace parts leaking air.
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Listen to rotating sound at lowspeed
operation. If necessary, replace flex-
ible plate.
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Disassemble, check and replace.
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Disassemble, check and replace.
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Check impeller or check drained oil
for mixing of foreign matter.
If necessary, change oil.
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Disassemble and check. If necessa-
ry, retighten or replace.
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Disassemble, check and replace.
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Disassemble, check and replace.
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Check to see whether or not machine
moves even when transmission is in
neutral position. If so, replace clutch
plate.
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Disassemble, check and replace
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Disassemble, check and replace
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Disassemble, check and retighten or
replace
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Disassemble, check and replace
9-3
3
3. TORQUE FLOW SYSTEM
Trouble symptom
1. Excessive oil
temperature rise
1) Torque converter
2) Transmission
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Improper oil level.
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Impeller interfering with surroundings.
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Stator and free wheel malfunctioning.
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Air sucked in.
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Water intruding into transmission
case
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Bearing worn or seizing.
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Gauge malfunctioning.
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Clutch dragging.
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Bearing worn or seized.
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Check oil level. Add or drain oil as
necessary.
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After draining oil from oil tank and tra-
nsmission, check and replace interfe-
ring parts.
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Check engine (stalling) speed.
If necessary, replace.
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Check the inlet side joint or pipe.
If necessary, retighten joint or repla-
ce gasket.
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Check drained oil.
If necessary, change oil.
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Disassemble, inspect, repair or repla-
ce.
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Check and, if necessary, replace.
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Check to see whether or not machi-
ne moves even when transmission is
placed in neutral position. If so, repl-
ace clutch plate.
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Disassemble, check and replace.
P
P
robable cause
Remedy
2. Noise operation
1) Torque converter
2) Transmission
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Cavitation produced.
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Flexible plate damaged.
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Bearing damaged or worn.
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Gear damaged.
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Impeller interfering with surroundings.
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Bolt loosening.
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Spline worn.
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Noise gear pump operation.
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Dragging caused by seizing clutch.
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Bearing worn or seizing.
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Gear damaged.
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Bolt loosening.
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Spline worn.