TM 5-5420-202-20-2
MANIFOLD HEATER FUEL RETURN TUBE ASSEMBLY REPLACEMENT (LEFT AND RIGHT
BANK) (Sheet 4 of 7)
8.
Using 9/16 inch wrench, remove line nut
of tube assembly (C) from tee (K).
Using 9/16 inch wrench, remove line nut
9.
of tube assembly (L) from tee (K).
10.
Using 5/16 inch open end wrench, remove
two screws (M) and pull solenoid valve
(N) forward approximately 1 inch.
11.
Using 1/2 inch open end wrench on
coupling (P), remove coupling (P)
with elbow (Q) and tee (K) attached.
12.
Using 9/16 inch wrench on elbow (Q) and
adjustable wrench on tee (K), remove tee
(K) from elbow' (Q).
13.
Using 9/16 inch wrench on elbow (Q) and
1/2 inch wrench on coupling (P), remove
elbow (Q) from coupling (P).
Push engine cooling fan shroud aside to
14.
allow clearance for rem oval of tube assembly
(C). Other technician, using both hands,
carefully remove tube assembly (C) from
engine.
CLEANING AND INSPECTION:
WARNING
Dry cleaning solvent P-D-680 is toxic and flammable.
To prevent personal injury, 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 for Type #1 Dry Cleaning Solvent is 1000 (38C) and for Type #2 is 138F (50C).
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.
1. Using clean cloth and solvent, clean fittings thoroughly.
2. Inspect fittings for nicks, cracks, thread damage, or wear. Replace if required.
3. Inspect internal threads of manifold heater and solenoid adapter for damage.
TA248393
Go on to Sheet 5
