153.
Crane Chain Tightener Reassembly and
152. Crane Chain Tightener Cleaning, Inspection,
Installation
and Repair
a. Cleaning. Clean all parts with an approved
a. Place the idler sprocket in a suitable press, and
press the bearing and sleeve in the sprocket.
cleaning solvent and dry thoroughly.
b. Install the crane chain tightener (TM 53810-207-
b. Inspection and Repair. Inspect all parts for
20).
excessive wear or damage. Replace or repair all
defective parts.
Section V. CRANE HORIZONTAL SWING SHAFT ASSEMBLY
154. General
156.
Crane Horizontal Swing Shaft
Assembly
The crane horizontal swing shaft assembly is
attached to the revolving frame below and forward of
Cleaning, Inspection, and Repair
the main hoist shaft assembly. This assembly has two
beveled swing gears which drive the vertical swing shaft
a. Cleaning. Clean all parts with an approved
assembly in either direction. The beveled swing gear
cleaning solvent and dry thoroughly.
bearings are prelubricated for the life of the bearings
and the beveled swing gears are lubrication with open
b. Inspection and Repair. Inspect all parts for
gear compound.
excessive wear or damage. Replace or repair all
defective parts.
155.
Crane Horizontal Swing
Shaft
Assembly
Removal and Disassembly
157.
Crane Horizontal Swing Shaft
Assembly
Reassembly and Installation
a. Removal.
a. Reassembly. Reassemble the crane horizontal
(1) Remove the operator's seat (TM 58810-
swing shaft assembly in the reverse of the numerical
207-20).
sequence as illustrated on figure 42.
(2) Drain the hydraulic fluid from both rotating
b. Installation.
glands (TM 5-3810-207-20).
(1) Install the crane horizontal swing shaft
(8) Remove the swing gear guard (TM 58810-
assembly as illustrated on figure 41.
207-20).
(2) Install the crane cab (par. 44).
(4) Remove the swing shaft drive chain (TM
5-3810-207-20).
(3) Install the swing brakeband to the clutch
drum (TM 5-3810-207-20).
(5) Remove the rotating glands (TM 58810-
207-20).
(4) Connect the safety pawl, house lock and
swing brake lever linkage (TM 543810-
(6) Disconnect the safety pawl, house lock,
207-20).
and swing brake lever linkage (TM 5-
3810-207-20).
(5) Install the rotating glands (TM 53810-207-
20) (6) Install the swing shaft drive chain
(7) Remove the swing brake band from the
(TM 5-3810-207-20).
clutch drum (TM 5-3810-207-20).
(7) Install the swing gear guard (TM 53810-
(8) Remove the crane cab (par. 44).
207-20).
(9) Remove the crane horizontal swing shaft
(8) Fill both rotating glands with hydraulic
assembly as instructed on figure 41.
fluid (TM 5-3810-207-20).
b. Disassembly. Disassemble the crane horizontal
(9) Install the operator's seat (TM 53810-207-
swing shaft assembly in numerical sequence as
20).
illustrated on figure 42.
TAGO 5030A
83
