TM9-2330-390-14&P4-112. HYDRAULIC SYSTEM BLEEDING (Con't).NOTEIf bleeding hydraulic system of a dolly set with side lift kit, when ONLY side liftpositioning cylinders were replaced, top beams must be supported by a suitable liftingdevice capable of raising 16 ft (4.9 m) above the floor. A sling with a minimum capacityof 5000 lb (2270 kg) must be used.2.Support top beam (6) with a lifting device asrequired.3.4.Start engine (see paragraph 2-20).Fill hydraulic reservoir (see paragraph 3-7).NOTEDuring extension, maintain slack In hoist slingas top beam Is raised.5.Operate hydraulic control valve to extend liftcylinders (5) and positioning cylinders (7) In turn(see paragraph 2-21). Keep top and bottombeams (6 and 8) vertical as cylinders areextended.6.When full extension is reached, hold lift cylinderlevers (9) and positioning cylinders lever (10) inextend position for 30 seconds.NOTEDuring retraction, maintain slack In hoist slingas top beam Is lowered.7.Operate hydraulic control valve to retract liftcylinders (5) and positioning cylinders (7) in turn(see paragraph 2-21). Keep top and bottombeams (6 and 8) vertical as cylinders areretracted.8.When full retraction Is reached, hold lift cylinderlevers (9) and positioning cylinders lever (10) inretract position for 30 seconds.4-313
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
