Overheat
Lube in the case is
insufficient
Refuel lube according to
the requirement
Gear side clearance is
too narrow
Reinstall
Shaft windage is too
narrow
Readjust
There is oil leakage
of gear box
Bolts become loose
Tighten
Seal gasket is damaged
Change
There is oil leakage
of outer-section of
crankshaft
Oil seal is damaged
Change oil seal B45628
There is oil leakage
of hexagonal hole in
the crankshaft
The shaft sleeve is
broken
Change
There is oil leakage
of oil drain hole
O-ring is damaged
Change O-ring
φ
0×1.8
Bolts become loose
Tighten according to the
requirement
There is oil leakage
of the case
There are hidden micro
holes in the case
Weld or paint to stop
leakage
Ⅴ
Troubleshooting of other parts
Table 9
Phenomenon
Reason
Debugging method
Rotary blades are broken
Collide with stones in
the course of using
Change, pay attention
not to collide with the
stones in the soil
The operating cable is
broken
Long period abrasion
Change
Ⅵ
easily-damaged parts of tiller
Number
Name
Assy
1
Clutch cable
Handle frame assy
2
Back shift clutch
Handle frame assy
3
Gun clutch
Handle frame assy
4
Gun switch
Handle frame assy
5
Rubber handlebar
Handle frame assy
6
Rubber sleeve
Shift lever, tighten handlebar
7
Oil seal45×62×68
Gear box assy
8
Oil seal25×40×7
Transmission box assy
9
Easily-damaged parts of engine Refer to instruction and picture
of engine
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