6-29. Crane Gantry Frame Cleaning, Inspection
6-30. Crane Gantry Frame Installation
a. Cleaning. Clean the crane gantry frame with an
a. Install the crane gantry frame on the revolving
approved cleaning solvent.
b. Inspection and Repair. Inspect the crane gantry
c. Install the crane gantry sheave block (TM 5-
frame and pins for cracks, breaks, bends, and excessive
wear. Replace or repair defective crane gantry frame or
pins as necessary. Replace cotter pins.
Section XIII. CRANE ROTATING FRAME BASE ASSEMBLY
d. Remove the operator's controls (TM 53810-232-
e. Disconnect and remove all lines and wiring.
The crane rotating main frame base supports the entire
crane assembly that includes the deck machinery,
operator's cab, engine and crane boom. It is made up of
h. Remove the fuel tank (TM 5-3810-232-12).
structural steel weldments. Rotation is by means of
i. Remove the lights (TM 5-3810-232-12).
rollers attached to the main frame base, operating
around a ring gear and center pin mounted on the
k. Remove the independent boom hoist shaft
l. Remove the vertical swing shaft assembly (para
Crane Rotating Frame Base Assembly
Remove the crane boom
assembly (TM 53810-232-12).
b. Place adequate cribbing between carrier frame
and underside of main frame and remove front and rear