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|  MIL-T-82570A(OS)
APPENDIX
Reference
Limits
Reading
30.2.6 Insulation resistance
4.4.5.6
Barrel Circuit
3 megohms min
Training Gear Circuit
0.5 megohms min
30.2.7 Ground circuit con-
tinuity
4.4.5.7
Verified conti-
nuity
*
30,2.8 Training gear heater.
resistance
4.4.5.8
Resistance test
4.4.5.8.1
6.9+ 0.7
or -0.4 ohms
Alternative current
4.4.5.8.2
16.7 + 1.1
drain test
or -1.5 amps
30.2.9 Barrel heater resist-
ance
4.4.5.9
Barrel No. 1
11.4 = 0.8 ohms
Barrel No. 2
11.4 = 0.8 ohms
Barrel No. 3
11.4 = 0.8 ohms
30.2.10 Heater circuits
operating current
4.4.5.10
50.5 amps max
30.2.11 Squib fire switch
4.4.5.11
Barrel No. 1
Proper oper-
ation
Barrel No. 2
Proper oper-
ation
Barrel No. 3
Proper oper-
ation
30.2.12 Interlock switch
4.4.5.12
open 0 to 35
2.5
Open 145 2.5
to 185"
Closed 35 2.5
tO 145 2.5
30.2.13 Training crank
4.4.5.13
30 lbs maX
30.2.14 Retractable stop
45 2.5
4.4.5.14
30.2.15 limit stops
4.4.5.15
190 max
30.2.16 Muzzle cover
4.4.5.16
Barrel No. 1
30 10 lbs
Barrel No. 2
30 10 lbs
Barrel No. 3
30 10 lbs
(4)
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