171 S650 Operation & Maintenance Manual
TYRE MAINTENANCE
Wheel Nuts
Figure 255
See your SERVICE SCHEDULE for the correct interval to
check the wheel nuts [Figure 255]. (See SERVICE
SCHEDULE on Page 131.)
When installing
wheel nuts, tighten to 217 N•m (160 ft-lb)
torque.
When checking
wheel nut torque, set the torque wrench
to 190 N•m (140 ft-lb) to prevent over-tightening.
Rotating
Check the tyres regularly for wear, damage and pressure.
Figure 256
Rear tyres usually wear faster than front tyres. To keep
tyre wear even, move the front tyres to the rear and rear
tyres to the front [Figure 256].
It is important to keep the same size tyres on each side of
the loader. If different sizes are used, each tyre will be
turning at a different rate and cause excessive wear. The
tread bars of all the tyres must face the same direction.
Recommended tyre pressure must be maintained to
avoid excessive tyre wear and loss of stability and
handling capability. Check for correct pressure before
operating the loader.
Mounting
Tyres are to be repaired only by an authorised person
using the proper procedures and safe equipment.
Tyres and rims must always be checked for correct size
before mounting. Check rim and tyre bead for damage.
The rim flange must be cleaned and free of rust.
The tyre bead and rim flange must be lubricated with a
rubber lubricant before mounting the tyre.
Avoid excessive pressure which can rupture the tyre and
cause serious injury or death.
During inflation of the tyre, check the tyre pressure
frequently to avoid over inflation.
WARNING
AVOID INJURY OR DEATH
Do not inflate tyres above specified pressure. Failure
to use correct tyre mounting procedure can cause an
explosion which can result in injury or death.
W-2078-EN-0909
IMPORTANT
Inflate tyres to the MAXIMUM pressure shown on the
sidewall of the tyre. DO NOT mix brands of tyres
used on the same machine.
I-2057-EN-1010
P-85479
NA1023A
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