TM 55-2210-224-34
3-24. POWER CONTACTOR (cont)
ADJUSTMENT (cont)
Table 3-3. Measuring Contact Tip Overtravel
Overtravel
Gage Pin
New Contactor
Status
@A
@B
N
E
10/32
GO
0.176
0.200
W
12/32
NO GO
0.207
0.240
T
Old Contactor
I
P
9/32
GO
0.160
0.180
S
13/32
NO GO
0.223
0.260
Low Limit - Old Contactor (Old Tips)
7/32
NO GO
0.130
0.140
b.
If the overtravel is insufficient, check for the following conditions:
(1)
Badly worn, bent, or incorrect tips
(2)
Bent stationary contact-tip support
c.
If the overtravel is too high, check for the following conditions:
(1)
Bent or incorrect tips
(2)
Worn stop on the contact lever
(3)
Bent stationary contact-tip support
3-97
