Toro Z150 Z-Master, Руководство оператора

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Maintenance
50
1
m–1872
Figure 38
1. Valve stem
Castor Pivot Bearing
Adjustment
Check after every 500 operating hours or at storage
which ever comes first.
1. Stop the engine, set the parking brake, remove
the key and disconnect the spark plug wire(s)
from the spark plug(s).
2. Remove dust cap from castor and tighten lock
nut (Fig. 39).
3. Tighten until spring washers are flat and then
back off a 1/4 turn to properly set the pre–load
on the bearings (Fig. 39).
IMPORTANT: Make sure spring washers are
installed correctly as shown in figure 39.
1
M-4640
2
3
Figure 39
1. Spring Washers
2. Lock Nut
3. Dust Cap
Wheel Hub Slotted Nut
Check after every 500 operating hours.
The slotted nut needs to be torqued to 125 ft–lbs
(169.5 N
S
m).
1. Stop the engine, set the parking brake, remove
the key and disconnect the spark plug wire(s)
from the spark plug(s).
2. Remove cotter pin.
3. Torque slotted nut to 125 ft–lbs (169.5 N
S
m)
(Fig. 40).
4. Check the distance from bottom of slot in nut to
inside edge of hole. Two threads or less should
be showing (Fig. 40).
5. If more than two threads are showing remove nut
and install washer between hub and nut
(Fig. 40).
6. Torque the slotted nut to 125 ft–lbs (169.5 N
S
m)
(Fig. 40).
7. Tighten nut until the next set of slots line up
with the hole in the shaft (Fig. 40).
8. Replace cotter pin.
3
m-4638
1
2
4
5
Figure 40
1. Slotted Nut
2. Two threads or less
showing
3. Hole in threaded shaft
4. Washer (if needed)
5. Slot