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2. Remove cotter pin.
3. Torque slotted nut to 125 ft–lbs (169.5 N m) (Fig. 53).
4. Check the distance from bottom of slot in nut to inside
edge of hole. Two threads or less should be showing
(Fig. 53).
5. If more than two threads are showing remove nut and
install washer between hub and nut (Fig. 53).
6. Torque the slotted nut to 125 ft–lbs (169.5 N m)
(Fig. 53).
7. Tighten nut until the next set of slots line up with the
hole in the shaft (Fig. 53).
8. Replace cotter pin.
4
2
Figure 53
1. Slotted Nut
2. Two threads or less
showing
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. 54).
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. 54).
Important
Make sure spring washers are installed
correctly as shown in figure 54.
1
3
3. Hole in threaded rod
4. Washer (if needed)
40
Figure 54
1. Spring Washers
2. Lock Nut
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.
Important
Use only oil specified. Other fluids could
cause system damage.
System Capacity: 2.1 qt. (2.0 l)
1. Position machine on a level surface, stop the engine
and set the parking brake.
2. Clean area around filler neck of hydraulic tank
(Fig. 11).
3. Remove cap from filler neck. Look inside to check if
there is fluid in the reservoir. (Fig. 11).
4. If there is no fluid, add fluid to reservoir
approximately a 1/4 (6mm) below the top of baffle.
5. Run the machine 15 minutes to allow any air to purge
out of the system.
6. Recheck level while fluid is warm. Add fluid to raise
level to top of the baffle, if required.
Note: Fluid level should be to the top of the baffle when
fluid is warm (Fig. 11).
3
2
1
3. Dust Cap
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