4-47. FUEL LINES AND FITTINGS REPLACEMENT (CONT).
Drycleaning solvent (P-D-680) is TOXIC and flammable. Wear protective goggles and gloves; use
only in well-ventilated area; avoid contact with skin, eyes, and clothes, and do not breathe vapors.
Keep away from heat or flame. Never smoke when using solvent; the flashpoint for type I
drycleaning solvent is 100°F (38°C) and for type II is 140°F (60°C). Failure to do so may result in
injury or death to personnel.
If personnel become dizzy while using drycleaning solvent, immediately get fresh air and medical
help. If solvent contacts skin or clothes, flush with cold water. If solvent contacts eyes, immediately
flush eyes with water and get immediate medical attention.
Compressed air used for cleaning purposes must not exceed 30 psi (207 kPa). Use only with effective
chip guarding and personal protective equipment (goggles/shield, gloves, etc).
(1) Clean banjo screws with drycleaning solvent. Dry with compressed air.
(2) Flush fuel tubes with drycleaning solvent. Dry with compressed air.
(3) Wipe off fuel tubes with lint-free cloth and inspect tubes for holes, dents, and other damage.
(4) Inspect tee, adaptors, and screws for
(5) Replace all damaged parts.
Fuel hose to sediment bowl is installed in
step (2). Fuel return hose is installed in
(1) Install fuel hoses on fuel tank as follows:
(a) Install fuel hose (48) on shutoff
(b) Install fuel return hose (18) on
Do not perform step l(c) until procedure
(c) Turn shutoff valve (52) on fuel
tank (51) in opposite direction to turn