TM 9-4310-397-14
(5)
Remove lock nut (18), cap screw (19), and pivot clamp (20). Discard lock nut.
(6)
Remove pin (21) and arm (22) if replacement is indicated.
(7)
Remove two socket head screws (23), lock washers (24), speed control guide (25), and gasket (26).
Discard lock washer and gasket.
(8)
Remove performed packing (27), bushing (28), and push rod (29). Discard preformed packing.
(9)
Remove plug (30), preformed packing (31), spring (32), and ball (33) from intake control body (34).
Discard preformed packing.
b.
Cleaning.
(1)
Check parts for excessive buildup of dirt and debris. Clean if needed.
WARNING
Dry cleaning solvent used to clean parts is potentially dangerous to personnel and property.
Do not use near open flame or excessive heat. Use in well ventilated area.
NOTE
Prior to reassembly, clean all metal parts. They must be free from oil, grease and corrosion
resistant compounds on all interior and exterior surfaces.
(2)
Wash all metal parts except valve assembly (17) and diaphragm (9) with dry cleaning solvent (item 11,
appendix E).
(3)
Dry thoroughly with clean, cloth (item 2, section II, appendix E).
(4)
Clean valve assembly (17) and diaphragm (9) with a solution of mild detergent (item 6, section II, appendix
E) and water. Then rinse with clean water and thoroughly dry.
(5)
Make certain that all accumulated foreign matter is cleaned from air passages of intake control body (34).
NOTE
Do not allow parts to remain in cleaning solvent or detergent solution for extended periods of
time or rust spots may form. If parts are not to be inspected immediately after cleaning, dip
them in clean oil, MIL-L-2104, or equivalent.
c.
Inspection.
(1)
Inspect for visible wear, damage, distortion, cracks, breaks, and corrosion. Replace all gaskets, o-rings,
and seals.
(2)
Inspect threaded parts for stripped threads cross-threading, and for nicks and burrs.
d.
Assemble.
(1)
Assemble steel ball (Figure 5-1, 33), spring (32), new preformed packing (31), (item 23, appendix H) and
relief plug (30) into intake control body (34).
5-3
