TM 9-2590-209-14&P
Table 6-1. Repair Standard for Magnetic Clutch
Ref-
Figure
erence
Point of
Number
Letter
Measurements
Wear Limits
A
Bearing OD
2.4404 to
2.4409
B
Bearing ID
1.1807 to
1.1811
C
Shaft OD
1.1812 to
1.1806
D
Shaft OD
1.3781 to
1.3785
E
Magnet Body
2.4409 to
Half ID
2.4416
F
Bearing OD
2.4404 to
2.4409
G
Bearing ID
1.3775 to
1.3780
c. With the magnetic clutch actuated, use a feeler
Five degrees of nut travel will change air gap
gage to check air gap between magnet body half and
approximately 0.001 inch.
clutch body half at 90degree intervals around clutch.
The average of four feeler gage readings should be
e. Adjust air gap until four feeler gage readings
0.0150.018 inch. If this average is obtained, the clutch is
average 0.015-0.018 inch with clutch actuated. Tighten
adjusted properly. If not, proceed to step d.
screw.
d. Loosen screw in adjusting nut and turn adjusting
f. Turn off power, and disconnect power supply
nut clockwise to increase air gap, or counterclockwise to
from magnetic clutch.
decrease
air
gap.
6-11.
6-4
