45
HARDI
®
COMMANDER OPERATOR’S MANUAL
250 hours service
1. Wheel bearings
Check for play in the wheel bearings:
1. Place stop wedges in
front of and behind LH
wheel and jack up RH
wheel
2. Rock the RH wheel to
discover possible play
in the bearings.
3. If any play, support the
wheel axle to prevent
the trailer from falling
down from the jack.
4. Remove hub cap
A
and
cotter pin
B
. Turn the
wheel and tighten the
castellated nut
C
until a slight resistance in the
wheel rotation is felt.
5. Loosen the castle nut until the first notch - horizontal
or vertical - is aligned with the cotter pin hole in the
shaft.
6. Fit a new cotter.
7. Fill the hub cap with fresh grease and press it on to
the hub again.
8. Repeat the procedure on LH wheel.
8. Hoses and tubes
Check all hoses and tubes for possible damage and
secure attachment. Renew damaged hoses or tubes.
A
B
C
100 hours service
1. Check/adjust drawbar (Fixed drawbar
only)
If to much play is found in the lateral movements of the
drawbar it must be adjusted.
Adjust the turnbuckles
A
on each side in order to adjust
and center the drawbar.
A
50 hours service
1. Wheel bolts and nuts
Tighten wheel bolts and
nuts as follows with
following torque wrench
settings:
Wheel hub to rim plate:
120 Ft/lb (180 Nm)
Tightening sequence:
See illustration (1-8).
4. P.T.O. shaft
Check function and condition of the transmission shaft
protection guards. Replace any suspect or damaged
parts
5. Tire pressure
Check the tire pressure according to the table below.
IMPORTANT!
If renewing tires always use tires with
min. load index as specified in the table.
WARNING!
Never inflate tires more than to the
pressure specified in the table. Over-inflated
tires can explode and cause severe personal
injuries!
Tire Size
Recommended
Inflation Pressure
PSI (kPa)
12.4x42 10 ply
25 (175)
320/90R46
35 (240)
35 (240)
270/95R48
380/90R46
35 (240)
18.4R46
35 (240)
Maintenance