TM 55-1520-240-23-9
11-150
TEST MAGNETIC BRAKES (R460M39-3 OR R460M39-4) (AVIM)
(Continued)
11-150
3.
Mount dial indicator (7) on lug (8) of arm (6),
about 90º to arm and bolt (4).
4.
Set indicator (7) to mid-travel. Depress plunger
(9) against arm (6).
5.
Connect dial indicating scale (10) to bolt (4)
inward of lug (8) and toward indicator (7). Align
scale and indicator (7).
6.
Apply 2 pounds to arm (6). Pull scale (10).
7.
Set indicator (7) to 0 inch with force applied to
arm (6).
8.
Disconnect scale (10) from arm (6).
9.
Connect scale (10) to bolt (4) inward of lug (8),
away from indicator (7). Align scale and indicator.
10.
Check indicator (7) indicates 0 inch. If indication
is not 0 inch, repeat steps 5 thru 10.
11.
Apply 2 pounds to arm (6). Pull scale (10).
12.
Check indicator (7) for movement of arm (6).
Arm movement shall not be more than:
Magnetic
Brake
Magnetic
Brake
R460M39-3
R460M39-4
0.013 inch
0.012 inch
If movement of arm is greater, adjust brake (1)
(Task 11-151).
11-626
