ALSTOR 822 - Adjustment; Hydraulic Pump Drive Belt

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Instruction manual
SERVICE AND MAINTENANCE
822/834
3.8 ADJUSTMENT
Machine readjustment
WARNING! After the initial refuelling, all wheel nuts and crane bolts should be retightened.
Adjusting wheel nuts and crane bolts
■
Retighten all wheel nuts. 4 pcs per wheel × 8 wheels. See (1).
■
Retighten all bolts in the crane base, 6 or 9 bolts. See (2).
Hydraulic pump drive belt
Check the belt tension for every 200 hours of operation and adjust
ifnecessary.
■
Check the belt tension by applying pressure to the middle of the
belt. The belt should deect only slightly.
When properly tensioned, it should be possible to twist the belt
90 degrees by hand in the middle. An excessively tensioned belt
will result in undue wear.
■
If the belt needs to be tensioned, loosen the indicated screw (3)
one full turn and adjust using the eccentric washer.
■
Pull gently
1 2
3