TM 55-1520-240-23-9
11-151
ADJUST MAGNETIC BRAKE (R460M39-3 OR R460M39-4) (AVIM)
11-151
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
DC Power Supply, 0 to 28 Volts
Materials:
Paper Tags (E264)
Pencil (E271)
Personnel Required:
Medium Helicopter Repairer
Inspector
Equipment Condition:
Off Helicopter Task
Magnetic Brake Tested (Task 11-150)
1.
Mark position of arm (1) on stop (2) of magnetic
brake (3). Mark line (4) along edge (5) of arm on
stop. Use pencil (E271).
2.
Mark line (6) 90º to line (4) on stop (2) inline with
center of shaft (7). Use pencil.
3.
Mark position of slot (8) of arm (1) on end of
shaft (7). Mark line (9) fully across shaft.
4.
Remove nut (10), two washers (11), and bolt (12)
from arm (1). Remove arm from shaft (7).
Number of shims must not be
changed; otherwise, damage to
component can occur.
5.
Remove shims (13) from shaft (7). Tag shims.
6.
Remove stop (2) from shaft (7).
11-628
