404G2 SERIES TRACTOR OPERATION MANUAL
75
Chapter7Troubleshooting
Abration, deformation and improper servicing contribute to a technical change of the
components. Then it will cause troubles. At this time, the tractor must be checked and
get rid of them. If failed to do this, the conditions may be worse, even result in an
accident.
This chapter stress on the troubleshooting of chassis and electrical system. Details about
the engine troubleshooting will be showed in the operator’s manual of engine.
7.1 Clutch
Troubles & possible causes Fixing methods
(1) Clutch slip
① The clutch disk or clutch plate is stained
with oil.
② Abrasion to clutch disk is uneven or the
abrasion is serious.
③ The free path is not enough or no free
path.
④ The driven disk is deformed.
① Wash them clean with gasoline,
and eliminate the oil leakage
② Replace the clutch disk
③ Readjust in accordance with the
requirement
④ Replace the driven disk
(2) Clutch cannot be separated completely
① The pedal’s free path is too large, and the
working path is too small.
② The driven disk warps too much.
③ The release finger of diaphragm spring are
not at the same plane
① Adjust the pedal free travel as
specified
② Rectify or replace with a new
one
③ Replace
(3) The tractor is shivering at starting
① The friction disk and the driven disk are
stained with oil
② The friction disk broke up
③ The driven disk warps
① Clean friction disk and driven
disk
② Replace
③ Replace
(4) There is vibration and noise in the cluch
① Releasing bearing is lacking of oil or
broken
② The spline of driven disk or the cluch has
been weared out
① Oiling or replacing
② Replacing
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