TM 5-2420-224-20-2
CRANE ROTATION LOCK REPLACEMENT AND ADJUSTMENT
This task covers:
a. Removal b. Installation c. Adjustment
INITIAL SETUP
Applicable Configuration:
HMMH
Tools and Special Equipment:
TOOl Kit, SC 5180-90-CL-N26
Materials/Parts:
Pin, Cotter(2)
Nut, Lock (2)
Pin, Cotter(2)
Nut, Lock (2)
References:
LO 5-2420-224-12
Equipment Condition:
Reference
Condition Description
Page 2-23
Crane in Three-Point
Stance
R E M O V AL
1.
REMOVE two cotter pins (1), two pins (2), and connecting LINK (3). DISCARD cotter PINS.
2.
IF DAMAGED, REMOVE connecting LINK (4) from connecting link (3).
3.
REMOVE lock nut (5), control LEVER (6), and lock nut (7). DISCARD lock NUTS.
4.
IF DAMAGED, REMOVE KNOB (8) from control lever (6).
5.
REMOVE two cotter pins (9), loop CLAMP assembly (10), pin (11), and spring (12). DISCARD cotter
PINS.
6.
REMOVE lock nut (13), LEVER (14), and lock nut (15). DISCARD lock NUTS.
7.
IF DAMAGED, REMOVE lubrication FITTING (16).
INSTALLATION
1.
IF REMOVED, INSTALL new lubrication FITTING (16).
2.
INSTALL new lock nut (15), LEVER (14), and new lock nut (13).
3.
INSTALL spring (12), pin (11), loop CLAMP assembly (10), and two new cotter pins (9).
4.
IF REMOVED, INSTALL new KNOB (8) on control lever (6).
5.
INSTALL new lock nut (7), control LEVER (6), and new lock nut (5).
6.
IF REMOVED, INSTALL new connecting LINK (4) in connecting link (3).
7.
INSTALL connecting LINK (3), two pins (2), and two new cotter pins (1).
4-790
