KNEGT 304G2, Operation Manual

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304G2
SERIES TRACTOR OPERATION MANUAL
78
④ The oil is too gummy
⑤
Ball valve is no of efect, and steer wheel
work heavily when steer quickly or
slowly, and steer powerlessly
⑥
Steer system leak include inside or
outside leak
⑦
Safety valve
a) Safety valve spring become weak
b) The valve is plugged up with dirt
c) The spring of the valve become weak
or the ball is ineffective
④ Replace
⑤
Check and fix
⑥
Checkup and eliminate
⑦
Clean and adjust
(3) Steering failed
①
Poke pin broken or deformed
② Interlink shaft open end broken or
deformed
③ Rotor and interlink shaft position
misplace each other
④
Steering oil case piston is damaged
①
Replace poke pin
② Replace interlink shaft
③ Reinstall
④
Replace
(4) The steering wheel can’t return back
① The steering shaft isn’t concentric with
the rotor
② The steering shaft push the rotor to
ineffective
③ The steering shaft isn’t concentric with
the steering column, steering moment is
too large
④ The return spring is broken
Checkup and eliminate
(5) Turn the steering wheel slowly
，
steering
force will be light
，
or it will be heavy
The flux of constant pump is too small Check and adjust
7.8 PTO
Troubles & possible causes Fixing methods
(1) PTO dosen’t work
①
The button of PTO is broken
② There is something wrong with the circuit
③
The valve is broken
④ PTO hasn’t been put into gear
①
Check the button
② Check the circuit
③
Replace
④ Put it into gear