304G2
SERIES TRACTOR OPERATION MANUAL
79
(2) The PTO has no power
①
The driven plate lining in the hydraulic
cluch abraded heavily or the abrasion lean
to one side
②
The valve is broken
③
The hydraulic cluch leaks heavily
①
Replace
②
Replace
③
Replace
(3) The PTO can’t be separated completely
①
The button is broken
②
The driven plate lining in the hydraulic
cluch has been locked up
③
Return spring of the hydraulic clutch is
broken
①
Check the button
②
Check and repair
③
Replace
7.9 Hydraulic Hitch System
Troubles & possible causes
Fixing methods
(1) Cannot lift whenever light load or heavy
load
①
Oil returning valve block at open position
②
Gear pump does not work
a) Oil level in the lifter is too low
b) Filter net blocked seriously
①
Check and clean valve
②
a) Replenish oil to specified
level
b) Clean or replace net
(2) Lift up if light load,unable lift or lift
slowly when with heavy load
①
Gear pump abraded seriously
②
Any of the valves leaks
③
Seal rings of the oil intake pipe or the
pump is broken
①
Fix or replace the pump
②
Check, clean and repair it
③
Replce
(3) Implement shivering during lifting, Static
sink goes fast
①
Distributor single direction valve seal
poorly
②
Sink valve seal poorly
③
Oil cylinder safety valve leak
④
The hydraulic output has been jammed to
seal badly
⑤
Sink speed control valve is damaged to
leak
⑥
O ring of oil cylinder pistion damage to
leak
①
Clean and repair if needed
②
As the same
③
As the same
④
As the same
⑤
Replace
⑥
Replace
Summary of Contents for 304G2
Page 1: ...OPERATION MANUAL KNEGT 304G2 WWW KNEGT INTERNATIONAL COM...
Page 86: ...304G2 SERIES TRACTOR OPERATION MANUAL 84 Appendix 3 Scheme of the electric system...
Page 90: ...304G2 SERIES TRACTOR OPERATION MANUAL 88...
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Page 94: ...304G2 SERIES TRACTOR OPERATION MANUAL 92 Appendix 7 E MARK certificate...
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