TM 9-2330-390-14&P2-21. OPERATING HYDRAULIC CONTROL VALVE (Con’t).(2)Dolly Set Without Shelter.(a)At front and rear dollies, pull down on two lift cylinder levers (3) to slightly extend lift cylinders(1). Disengage transportation lockouts (17) from hitch pins (16) at suspension links (15).(b)At front and rear, push up on two lift cylinder levers (3) to lower dolly set to the ground.(c)At front and rear, quickly push up on positioning cylinders lever (5) to FLOAT position.(d)At front and rear, pull down on two lift cylinder levers (3) to extend top beams (19). Stop when1.5-2.0 ft (0.5-0.6 m) of bottom beam vertical tube (20) is exposed and lift cylinders (1) ataffected end are vertical.(e)At front and rear, return positioning cylinders lever (5) to NEUTRAL position.(f)At affected end, push up on two lift cylinder levers (3) until wheels and tires (18) come offground.(g)Support axle during wheel and tire change.2-136
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