Installation Instructions
81700·82100·82400 WSM, 11770
M
MOWER
SERVICING
Oil Filler Plug
1.
Remove
the oil
filler
plug (1) from the gear box.
2.
Check
the hole
of
breather does
not
clogging.
3.
If
the breather hole (2)
has
clogged, clean it.
Less
than 117.7 N
Turning force Factory
spec.
12.0
kgf
26.5lbs
Lessthan 1.47 N'm
Turning
torque
Factory
spec.
0.15
kgf'm
1.08 ft-Ibs
(2)
8reather Hole
(1)
Oil Filler Plug
Turning Torque
of
Pinion Shaft
1.
Remove
the mower belt, and reassemble the gear box
to
the
mower deck.
2.
Wind
a string around
the
pinion
shaft and set a spring
balance (or push-pull gauge)
to
the
tip
of
the
string, and
then slowly pull the spring balance horizontally
to
measure
the
turning
force.
3.
If the measurement exceeds the factory specification, check
the bearing and gears and adjust the adjusting shims
(1), (2),
(3).
8177FM48
8177FM47
(Reference)
• Thickness
of
adjusting
shims
(1),
(2),
(3)
:
0.2
mm
(0.0079 in.)
0.3
mm
(0.0118 in.)
2
(1)
Adjusting
Shim
(2)
Adjusting
Shim
(3)
Adjusting
Shim
8177FM49
M-S21