4-25. HEATER LINES, HOSES, AND FITTINGS (cont)
CLEANING, INSPECTION, AND REPAIR
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 flash point is 100 - 138°F
(38 - 59°C). If you become dizzy, get fresh air
and medical aid immediately. If contact with
eyes is made, wash your eyes and get medical
Compressed air used for cleaning purposes will
not exceed 30 psi (207 kPa). Do not direct
compressed air against skin. Use goggles or
full face shield.
Clean parts with drycleaning solvent dry with compressed air..
Inspect parts for cracks, breaks, and damage. Inspect flexible hoses for cuts,
deterioration, and weakened areas.
Repair consists of replacement of defective parts.
Apply antiseize tape to all pipe threads before installing.
Install welded nipple and adapter assembly (57), valve (56), nipple (55), 90degree elbow
(54), nipple (53), 90-degree elbow (52), and piping (51).
Install nipple (50), 45-degree elbow (49), nipple (48), 90-degree elbow (47), and nipple
Install nipple (45), 90-degree elbow (44), and piping (43) as a unit.
Install hoses (42) and (40), two hose clamps (41), and two hose clamps (39). Tighten
clamps. 22. Install clamp (38), bolt (37), lockwasher (36), and nut (35).