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35
1
m–1872
Figure 44
1.
Valve stem
Adjusting the Wheel Hub
Slotted Nut
Check after every 500 operating hours.
The slotted nut needs to be torqued to 125 ft-lb
(170 N
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-lb (170 N
m) (Fig. 45).
4. Check the distance from bottom of slot in nut to inside
edge of hole. Two threads or less should be showing
(Fig. 45).
5. If more than two threads are showing remove nut and
install washer between hub and nut (Fig. 45).
6. Torque the slotted nut to 125 ft-lb (170 N
m) (Fig. 45).
7. Tighten nut until the next set of slots line up with the
hole in the shaft (Fig. 45).
8. Replace cotter pin.
3
m–4638
1
2
4
Figure 45
1.
Slotted nut
2.
Two threads or less
showing
3.
Hole in threaded rod
4.
Washer (if needed)
Adjusting the Caster Pivot
Bearing
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 caster and tighten lock nut
(Fig. 46).
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. 46).
4. Grease caster pivot. Refer to Greasing and Lubrication
on page 33.
Important
Make sure spring washers are installed
correctly as shown in figure 46.
1
M–4640
2
3
Figure 46
1.
Spring washers
2.
Lock nut
3.
Dust cap
Servicing the Hydraulic
System
Checking the Hydraulic Fluid
Check the hydraulic fluid level before engine is first
started.
Check the hydraulic fluid level after first 8 operating
hours.
Check the hydraulic fluid level after every 25 operating
hours.
Fluid Type: Mobil 1 15W-50 synthetic motor oil or
equivalent synthetic oil.
Important
Use oil specified or equivalent. Other
fluids could cause system damage.
Hydraulic System Oil Capacity: 67 oz. (2.0 l)