404G2 SERIES TRACTOR OPERATION MANUAL
81
(4) Sink speed of the implement is normal,
but it can’t reach the toppest position or
exceed the toppest position
Extension rod is too short or too long Adjust the length
(5) Implement cannot be put down
① Main control valve blocked
② Sink valve blocked
③ Sink speed control valve is screwed too
much
④ Rapid lift lever is flexural
① Clean it
② Clean it
③ Loose it
④ Adjust the rapid lift lever
backwards
7.10 Electrical system
Troubles & possible causes Fixing methods
(1) Accumulator doesn’t have enouph power
① Pillar plate sulfurized seriously
② There is something wrong with the
generator or regulator
③ Wire connect unwell
① Charge again and remove the
sulfuration
② Check the generator or regulator
③ Check and repair
(2) The temperature of the accumulator is too
high
Current is too large Check and adjust
(3) The generator does not generate power
Rotor coil broken Check and repair
(4) The generator does not charge enough or
charge unsteadily
① Transmission V belt looses, making
generator rate decline
② oint of the wire looses
③ Carbon is broken
④ Regulator is damaged
① Adjust
② Fasten the bolt
③ Check and repair
④ Check and repair
(5) There is a noise in the generator
① The generator is installed incorrectly
② Bearing of generator is broken
③ The rotor meet with the stator or
something else
① Reinstall
② Replace
③ Repair
(6) The starter motor does not work
① The wire is broken or wire joint dosen’t
connect correctly
② The fuse is broken
③ Battery volume is insufficient
① Weld or replace the wire, clean
the dirt and fasten the bolt
② Replace
③ Charge the battery
To Next Page
Loading...
