SB 742-1
the top receptacle. Receptacle #2 is the middle receptacle.
Practice Charges.
(4) Place one lead on receptacle #3, right side pin.
Preissue Inspections will be performed on all M58 and Place other lead on shell of receptacle #3. There should be
M68 series linear demolition charges by issuing no continuity.
installations. Charges will be inspected for:
(5) Place one lead on receptacle #3, right side pin.
a. Proper orientation of the detent in the rocket motor Place other lead on right edge of panel between receptacles
receptacle on the junction box.
The rocket motor #2 and #3. Scratch paint to bare metal. There should be
receptacle is the bottom receptacle. The detent should be no continuity.
in the 12 o'clock position.
(6) If continuity is indicated in steps 4 and/or 5
b. Crushed/damaged wires in the junction box. then the junction box has damaged wires. Remove the
Inspection procedures are as follows:
junction box panel and verify the condition.
(1) Use a digital multimeter set to read ohms and V-8. References:
capable of providing an audio alert when continuity or
a. TM 9-1375-215-14&P.
closed circuit is read.
b. TM 43-0001-38
(2) Remove protective caps from receptacles on
linear charge junction box.
c. FM 5-25
(3) Place one multimeter lead on receptacle #1,
d. DMWR 9-1375-000-X20.
pin "A". Place other lead on receptacle #3, right side pin.
Multimeter should register continuity. Receptacle #1 is
e. TM 9-1375-215-13&P
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