45HARDI
®
NAVIGATOR 550M, 800M, 1000M CENTRIFUGAL OPERATOR'S MANUAL
5.3 Recommended Tire Pressure
The tires should not run under-infl ated. This only promotes instability
and rapid wear.
NAVIGATOR 550M
Tire size: Maximum pressure:
11L x 15" 36 psi (2.5 bar)
11.2 x 38" 24 psi (1.6 bar)
12.4 x 24" 24 psi (1.6 bar)
NAVIGATOR 800M/1000M
Tire size: Maximum pressure:
12.5L x 15" 36 psi (2.5 bar) - (TA no longer available)
13.6 x 38" 29 psi (2.0 bar)
12.4 x 42“ 10 ply 36 psi (2.5 bar)
The pressure is specifi ed for a fully loaded trailer. When traveling on hard
road surfaces with a maximum load, do not exceed 15 mph. Remember
it is easier to let off a little pressure for a specifi c use than to re-infl ate a
tire in mid-fi eld.
5.4 Wheel Nuts And Bearings Adjustment
WARNING:
BLOCK WHEELS ON TRAILER TO PREVENT ROLLING.
Check wheel bolt tension after the fi rst 8 working hours, hereafter every
50 hours. Torque wheel nuts to 85 ft. lbs. maximum.
Check bearing for slack after the fi rst 8 hours of operation and again after
50 hours of operation. Thereafter every 100 hours. (Fig. 21)
If necessary, adjust as follows:
1. Jack sprayer up. It is best to remove the wheel. (Make sure to
adequately support the sprayer and completely drain tank.)
2. Remove hub cap and cotter pin.
3. Axle nut is tightened until slight rotation resistance of hub is noted.
4. Now loosen axle nut until fi rst split pin hole is visible.
5. Insert cotter pin, fold and replace hub cap.
After 1000 hours or once a year, the axle
bear ings should be repacked with new
grease.
Fig. 21
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