C
、
Transmission malfunction and troubleshooting
Phenomenon
Cause
Elimination methods
Fast, slow, not in
place
The back bolt of the spindle is loose and the
round nut is loose
Remove the back of the spindle bolts,
key sleeve, locking circular nut after
the key sleeve, bolt and tighten
The gear is not in
position
The drawing block wears out too much
Replace the pull block
Auxiliary shaft loose
Tighten the rear bolts of the auxiliary
shaft
The upper hole of the connecting block of the
straight arm is worn too much
Replace arm assembly
Spindle internal positioning spring failure
change
Spindle movement: the back of the box gland
screw is loose
tighten screw
Shift rod deformation causes shift interference
Correct shift lever or replace
The reverse gear is
not in place
Reverse shift fork wear
Readjust the rewind cable and replace
the rewind fork
Reverse pull wire failed
Reset the stay wire and replace the
stay wire
The reverse shaft is loose
Tighten the rear bolt of the reverse
shaft
The reverse gear is stuck
Clean up the joint surface of reversing
fork shaft and steel sleeve to make it
rotate flexibly
Reverse gear does
not return
Excessive wear of gear bushing
Replace the village set
Loose reverser shaft causes gear hairpin
Tighten the rear bolt of the reverse
shaft
Spring failure on reverse shaft
Replacement springs
Reverse shaft bending deformation
Replace the reverse shaft
The reverse shaft is
loose
The back bolt of the reverse shaft is loose
Tighten the back bolt of the reverse
shaft
The reverse shaft is too loose with the box
body
change
Auxiliary shaft
loose
The bolt at the back of the auxiliary shaft is
loose
tighten the bolt
The auxiliary shaft is too loose with the box
body
change
Excessive gear
noise
Auxiliary shaft, reverse shaft loose
Tighten the rear bolt of the reverse
shaft of the auxiliary shaft
Auxiliary shaft, reverse shaft deformation,
bending
change
Excessive wear of gears with excessive
clearance
Replace sprocket
Auxiliary shaft, reverse shaft and box body
are too loose
change
Oil leakage from the
back cover of the
spindle
Failure of O-ring on spindle
Replace the o-ring Ф 17 x 1.8
Spindle upper lip oil seal failed
Replace lip failure oil seal B25 * 40 *
7
Failure of O-ring on gland
Replace the o-ring Ф 42.3 x 2.4
Oil leakage from
reversing shaft
The bolt at the back of the reverse shaft is
loose
Tighten the reverse shaft bolts
Reverse shaft O- ring failure
Replace the o-ring Ф 18 x 1.8
The friction disc group shall not touch the
bearing end face in the clutch housing
Add proper adjusting pad after
bearing
The inner bearing of the ejector is burnt out Replace the gearbox with oil
Skidding
※Spring fatigue failure
replace
Clutch fork shaft combination transfer
failure makes fork is not fully reset
Clean the combination surface of fork
shaft and movable pressure plate to
make it turn flexibly
Improper alignment of clutch tension bars Readjust the clutch tension line
