TM-9-6920-430-14
COOLANT RECHARGING UNIT, TRAINING GUIDED MISSILE SYSTEM M80 AND CHARGER, BATTERY PP-7309/T
TECHNICAL MANUAL; OPERATOR’S AND ORGANIZATIONAL DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
AUGUST 1980
TM-9-6920-430-14 - Page 79 of 180
TM 9-6920-430-14
NOTE
Argon Gas Supply Bottle must be connected as in paragraph 2-2
(2) Install the outlet flexible hose (7) as follows if not attached. Open the
OUTLET BLEED valve two turns counterclockwise to relieve any pressure in the outlet
line, then close OUTLET after pressure is relieved. Remove the protective cap (8) from the
GPU outlet fitting (9) and the protective plug from the end of the GPU outlet flexible
hose. Connect that end of the hose to the GPU outlet fitting (9) using a 9/16-inch wrench
to tighten. Connect the protective plug and cap finger tight. Attach the safety chain to the
GPU eyebolt (10).
(2.1) Install inlet flexible hose as follows if not attached to GPU and/or gas
supply bottle. Open and close correct valve to relieve pressure as required. Locate inlet
flexible hose in proof pressure equipment storage box, remove protective plug from the
fitting of the inlet hose and thread the fitting onto the GPU inlet connection using a 9/16-
inch wrench to tighten. Attach the safety chain to the GPU eyebolt. The loose end of the
inlet hose with safety chain should be placed under the two latch frames of the safety cover
(16). Wrap the inlet hose safety chain (17) around the latch frame and hook the snap to a
chain link. Proceed to step 6. If any hose requires changing, perform steps 3, 4 and 5.
Change 3
3-19
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