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.
frame as illustrated on figure 6-23.
b. Inspection and Repair. Inspect the crane gantry
b. Install the crane cab assembly (para 2-8).
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
3810-232-12)
pins as necessary. Replace cotter pins.
Section XIII. CRANE ROTATING FRAME BASE ASSEMBLY
d. Remove the operator's controls (TM 53810-232-
6-31. General
12).
e. Disconnect and remove all lines and wiring.
The crane rotating main frame base supports the entire
f. Remove the crane engine (para 2-9)
crane assembly that includes the deck machinery,
g. Remove the rear gantry legs (para 6-28).
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
j. Remove the hoist shaft assembly (para 6-14).
carrier.
k. Remove the independent boom hoist shaft
assembly (para 6-18).
l. Remove the vertical swing shaft assembly (para
6-32.
Crane Rotating Frame Base Assembly
a.
Remove the crane boom
Removal
m. Remove the auxiliary shaft assembly (para 6-26)
assembly (TM 53810-232-12).
b. Place adequate cribbing between carrier frame
and underside of main frame and remove front and rear
roller assemblies as shown in fig. 6-24.
c. Remove the crane cab assembly (para 2-8).
6-34
