TM 3-4240-334-20&P
TM 3-4240-334-20&P
TM 3-4240-334-20&P
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<strong>TM</strong> 3-<strong>4240</strong>-<strong>334</strong>-20&P<br />
c. Internal Drink Tube Replacement.<br />
INITIAL SETUP<br />
Materials/Parts<br />
Isopropyl Alcohol (Item 15, App D)<br />
Cloth (Item 8, App D)<br />
REMOVAL<br />
CAUTION<br />
When performing maintenance on the facepiece assembly, do not scratch the<br />
plastic lenses.<br />
Keep work area clean. Dirt in or on items could prevent airtight integrity.<br />
1. Pull old internal drink tube (1) off drink tube passthrough assembly (2).<br />
2. Use a clean, lint-free cloth and isopropyl alcohol to thoroughly clean barbed end of drink tube<br />
passthrough assembly (2).<br />
INSTALLATION<br />
NOTE<br />
Bulbous end of the drink tube is away from drink tube passthrough assembly.<br />
Do not use adhesive when installing internal drink tube assembly.<br />
1.<br />
2.<br />
Slide plain end of drink tube (1) onto barbed end of drink tube passthrough assembly (2) until drink tube<br />
seats against shoulder.<br />
Test drinking system as described in Operator's Manual, <strong>TM</strong> 3-<strong>4240</strong>-<strong>334</strong>-10.<br />
2-51
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