MWO 9-2330-390-25-1
TOP AND BOTTOM BEAM AND HYDRAULIC LIFT
CYLINDER REMOVAL / INSTALLATION
a. REMOVAL
WARNING
Use extreme caution when handling heavy parts. Lifting device is required when
parts weight over 50 lb (23 kg) for a single person lift, over 100 lb (45 kg) for a two
person lift, and over 150 lb (63 kg) for a three or more person lift. Keep clear of heavy
parts supported only by lifting device. Failure to follow this warning may cause
serious injury or death to personnel.
DO NOT attempt to replace both lift cylinders at the same time unless dolly halves are
attached to each other or top beam is supported by a suitable lifting device. If top
beam is not supported, it will fall to the ground. Failure to follow this warning will
cause serious injury or death to personnel.
NOTE
Procedures are the same for front and rear dollies. Rear dolly is illustrated.
1. Attach a suitable lifting device to top beam (1) and adjust so that weight of top beam
is on the lifting device.
2. Remove telescopic brace.
4. Support lift cylinder (73) with a suitable lifting device.
5. Remove cotter pin (75), flat washer (76), and clevis pin (77) from hydraulic lift
cylinder (73) and top beam (1). Discard cotter pin.
C-1
