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16
PERIODIC MAINTENANCE
TORSION BAR ADJUSTMENT
TORSION BAR ADJUSTMENT
OBSERVATIONS
PLATFORM WITH
MANUAL CLOSER
PLATFORM WITH
HYDRAULIC CLOSER
PLATFORM OPENS FULLY
WITH LIGHT RESISTANCE
INCREASE TENSION OF RH
TORSION BAR
INCREASE TENSION OF
LH TORSION BAR
PLATFORM IS DIFFICULT TO
CLOSE OR WILL NOT CLOSE
INCREASE TENSION OF LH
TORSION BAR
INCREASE TENSION OF
LH TORSION BAR
TABLE 16-1
NOTE: This procedure applies to platforms equipped with manual closer or hy-
draulic closer. Platforms with manual closer use LH and RH torsion bars to
assist with folding and unfolding. Platforms with hydraulic closer use a LH
torsion bar to assist hydraulic cylinder with unfolding the platform. A hydrau-
lic cylinder folds the platform. Refer to TABLE 16-1.
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