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![]() TM 5-2420-222-20-1 
THERMOSTAT HOSES AND CLAMPS - CONTINUED 
ACTION 
LOCATION 
ITEM 
REMARKS 
CLEANING - CONTINUED 
WARNING 
Drycleaning solvent P-D-680 is toxic and flammable. Wear protective goggles and gloves and use only 
in a well ventilated area. Avoid contact with skin, eyes, and clothes and don't breathe vapors. Do not 
use near open flame or excessive heat. The flashpoint is 1000F to 1380F (380 to 590C). If you become 
dizzy while using cleaning solvent, get fresh air immediately and get medical aid. If contact with eyes is 
made, wash your eyes with water and get medical aid immediately. 
5. 
Two clamps (1) 
a. Clean in drycleaning solvent. 
b. Using clean, dry rags, wipe dry. 
INSPECTION/REPLACEMENT 
NOTE 
For more information on how to inspect parts, go to General Maintenance Instructions (page 2-137). 
Replace defective parts as needed. 
6. 
Preformed hose (2) 
Look for swelling, cracking, hardening, 
or straight hose (3) 
and separation inside and out. 
7. 
Two clamps (1) 
Look for cracks, breaks, and damaged 
threads. 
INSTALLATION 
8. Preformed hose (2) 
Two clamps (1) 
Slide on. 
or straight hose (3) 
9. Adapter (4) 
Preformed hose (2) 
Push on. 
and elbow (5) 
or straight hose (3) 
with assembled 
clamps (1) 
10. Preformed hose (2) 
Two clamps (1) 
Using 3/16-inch flat-tip screwdriver, 
or straight hose (3) 
tighten. 
2-402 
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