TM 5-4310-368-14
General Safety Precautions
WARNING
Compressed air can be extremely hazardous. Use 30 PSI maximum air
pressure for parts cleaning.
WARNING
Dry cleaning solvent, P-D-680, used to clean parts is potentially
dangerous to personnel and property. Avoid repeated and prolonged
skin contact. Do not use near open flame or excessive heat. Flash
point of solvent is 100 (38 ) - 138 (59 ).
F
C
F
C
a. Disassembly
(1)
Remove bowl retaining screws.
(2)
Remove idle needle and spring.
(3)
Remove float and pivot pin.
(4)
Remove float valve and seal.
(5)
Remove venturi.
(6)
Remove discharge jet and washer.
(7)
Remove plug, washer, main jet and seal.
(8)
Remove other parts only as necessary.
(9)
Discard parts included in repair kit.
b. Cleaning
(1)
Thoroughly clean all parts in cleaning solvent. Dry thoroughly.
(2)
Blow out all passages with dry compressed air.
c.
Inspection
(1)
Inspect all threaded parts and holes for damaged threads. Replace defective parts.
(2)
Inspect all castings for cracks and damaged sealing surfaces. Replace all defective parts.
d. Reassembly
(1)
Install main jet, seal, plug and seal washer.
(2)
Install discharge jet and seal.
5-21
