TM 5-2420-224-20-2
CRANE ROTATION LOCK REPLACEMENT AND ADJUSTMENT (CONT)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Pull control lever (1) into unlock position and make sure pin (2) is completely disengaged from base
weldment (3).
NOTE
Perform steps 2 thru 6 only if pin did not completely disengage from base weldment. If
completely disengaged, go to step 7.
Place control lever (1) in locked position.
Remove pin (4) and connecting link (5) from control lever (1).
Rotate connecting link (5) to right two turns.
Install connecting link (5) and pin (4) on control lever (1).
Repeat steps 1 thru 5 until pin (2) becomes completely disengaged from base weldment (3).
Place control lever (1) in locked position and make sure pin (2) is completely engaged in base
weldment (3).
NOTE
Perform steps 8 thru 11 only if pin did not completely engage in base weldment. If
completely engaged, go to step 12.
Remove pin (4) and connecting link (5) from control lever (1).
Rotate connecting link (5) to left two turns.
Install connecting link (5) and pin (4) on control lever (1).
Repeat steps 7 thru 10 until pin (2) is completely engaged in base weldment (3).
Install new cotter pin (6) in pin (4).
NOTE
Follow-on Maintenance:
Lubricate crane rotation lock (LO 5-2420-224-12).
4-792
A D J U S T M E NT
