Jacobsen AR331, Safety, Operation & Maintenance Manual

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8 MAINTENANCE AND LUBRICATION
8.19 TYRES_______________________________________________________________
Check the tyre pressure as indicated in the Maintenance and Lubrication Charts, while the tyres are cool. Use an
accurate low-pressure tyre gauge.
Keep the tyres inflated at the correct pressure and do a check each day for wear (see section 8.1)
.
8.20 WHEEL MOUNTING PROCEDURE ________________________________________
Remove any dirt, grease or oil from the stud threads. Do not lubricate threads.
Put the wheel on the hub. Inspect the wheel to make sure of full contact
between surface of wheel and hub.
Tighten all hardware with your fingers, then torque hardware in the order
shown. Tighten each of the nuts in the top position (1).
Check and torque hardware as indicated in the Maintenance and Lubrication
Charts. Torque wheel nuts as follows.
Front wheels 112 ±10 Nm (83 ± 7 lbf-ft).
Rear wheels 75 ±10 Nm (55 ± 7 lbf-ft).
CAUTION
Do NOT try to put a tyre on the rim unless you have the training, tools and experience. Incorrect
mounting can cause injury
WARNING
Make sure the mower is parked on a solid and level surface. Never work on a mower that is supported
only by the jack. Always use jack stands.
If only the front or rear of the mower is lifted, put the chocks in front of and behind the wheels that are
not lifted.
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