3-3.7. Communications Cord
Tools and Materials Required
•
Screwdriver, flat-tip
•
Screwdriver, cross-tip
•
Spatula
•
Jeweler’s screwdriver set
•
Heat gun
•
Small scissors
•
Communications cord (standard, 77C3523-1;
or
coiled, 87B7491-2)
Removal
1. Referring to
Figure 3-16 (previous page)
, unplug the microphone cord from the connector
at the left rear of the helmet.
2. Perform Steps 1-3 of Paragraph 3-3.4 (beginning on Page 53) to remove and disassemble
both earcups and remove the earphones from the communications cord.
3. Perform Steps 1-5 of Paragraph
3-3.2 (beginning on Page 49) to
remove the TPL (or SCL) and
the energy-absorbing liner from
the helmet.
4. Referring to
Figure 3-18
,
remove the strain relief plate
(and the shrink tubing on the
connector) as follows:
a. Remove the screw, washer,
and post attaching the
communications cord strain
relief plate to the helmet
shell.
b. Untie the communications
cord from the strain relief
plate.
c. Cut the shrink tubing from
the connector.
(Continued on next page)
57
Figure 3-18. Strain Relief Plate
and Hardware
Shrink tubing
on connector
Post
Strain relief plate
Helmet
Washer
Screw
Summary of Contents for HGU-56/P
Page 2: ......
Page 4: ......
Page 72: ...66 Figure 4 2 Dual Visor Assembly Plain 2 3 1 11 7 9 4 5 6 10 8...
Page 80: ...74 Figure 4 7 ANVIS Direct Mount Dual Visor Assembly 1 11 7 9 4 5 6 10 8 3 2 12 14 15 13...
Page 84: ...NOTES...
Page 85: ......
