5 - 66
System
Faults
Possible causes
Solutions
HST
When operating HST
pedal, tractor dose not
start.
▲
Low pressure relief set is too
low
▲
High pressure relief set is too
low
▲
HST charger valve fault
▲
Filter clogged
▲
Pump worn or part damaged
▲
HST moving part worn or
damaged
▲
Check and repair
▲
Check and repair
▲
Replace
▲
Replace filter
▲
Repair or replace
▲
Repair or replace after
check the circuit
Tractor is still moving
despite pedal being in
neutral position on
HST pedal.
▲
Neutral position of HST pedal
is changed.
▲
HST pedal linkage damaged
▲
HST arm bolt loosened
▲
Adjust neutral position
▲
Replace damaged part
▲
Fasten the bolt with
adhesive
HST power is too low
▲
Oil shortage
▲
Air in HST circuit
▲
Transmission oil temperature
is too high.
▲
HST moving part worn
▲
HST filter clogged
▲
Add oil
▲
Check and repair the
hydraulic suction line.
▲
Stop engine to cool the oil,
and restart
▲
Repair or replace
▲
Replace the filter
Abnormal noise
▲
Engine speed is too low
▲
Oil temperature is too low
▲
Hydraulic oil filter clogged
▲
Oil shortage
▲
Set engine rpm over 1500
rev/min
▲
Run engine to warm up
the oil.
▲
Replace the filter
▲
Add oil
Summary of Contents for MT342
Page 1: ...LS TRACTOR OPERATOR S MANUAL MT342 MT347 MT352 MT357 Stage...
Page 2: ......
Page 46: ...1 32 2 9 6 11 3 1 Roll Bar 5 10 7 8 4 12 13 14 16 18 17 10...
Page 62: ...1 48...
Page 76: ...2 14...
Page 180: ...4 42...
Page 248: ...5 68...
Page 258: ...7 2 Unit mm Roll bar type Front tires 9 5 16 6PR Rear tires 13 6 24 8PR...
Page 263: ......
Page 264: ...P NO 52132436 05 DATE 20220000...