Yanmar SA Series, Руководство по эксплуатации

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12-2
12. TIRES, WHEELS AND WEIGHTS
SA221/324/424 Operation Manual
●
When the tire air pressure is low, inflate the tires to
the recommended tire air pressures.
● If the tire air pressures rapidly and significantly
decrease though the tires are correctly inflated
every day, immediately contact YOUR LOCAL
YANMAR TRACTOR DEALER to inspect the
problem tire/s and to replace the tire/s if
necessary.
■
Check the Wheel Bolt Tightening
Torque
Tighten the wheel bolts as follows:
Front Wheel
●
Tighten the front wheel bolts in a crisscross
sequence.
(A) Front wheel bolts (4PCS)
NOTE
● While a loader is mounted to the tractor, always
set the front tire air pressure to the maximum
recommended tire air pressure.
●
The above also applies while the tractor is fitted
with a full load of front weights.
●
Do not use dual tires.
2. Adjust the Wheels
Avoid injury!
● Before working under the tractor or an
implement, always lower to the ground all
attached implement.
●
During work under the tractor or an
implement, always use proper and rigid lifting
devices with the capacity of more than 3 tons.
● Always support the implement using fixed
stands or any suitable blocking devices with
a capacity of more than 3 tons.
●
While servicing or adjusting the tractor and
implement, avoid using the hydraulic system
to keep the tractor and implement in the
position.
●
Avoid operating the tractor with loose
wheels, rims, weights and axles.
●
Avoid changing the specific adjustment
settings for each tire size.
! WARNING
Avoid injury!
●
Before operating the tractor, check that there
are no loose rims, hubs, wheel bolts and/or
axles.
● The preceding action promotes tractor
stability.
• reduces the possibility of the tractor tipping
over
● Tighten all the wheel bolts after every 4 hours
of operation.
● Repeat tightening until the proper torque
values of the wheel bolts are constantly
maintained.
●
Perform the preceding procedure when any
wheel bolt/s is/are loosen.
●
Make sure to maintain the tightness of the
wheel bolts according to the recommended
maintenance intervals.
Model
Tightening Torque
ft·lbs (N·m)
SA221
R3 126.9~140.1 (172 to 190)
R4 126.9~140.1 (172 to 190)
SA324
R3 126.9~140.1 (172 to 190)
R4 126.9~140.1 (172 to 190)
SA424
R3 126.9~140.1 (172 to 190)
R4 126.9~140.1 (172 to 190)
! WARNING
(A)
(A)
SA221_324_424_OperatorsManual.book 2 ページ ２０１８年６月４日 月曜日 午後５時１９分