TM 5-4310-451-14
5-28. CYLINDER HEAD REPLACEMENT (Con’t).
b. CLEANING AND INSPECTIONI
WARNING
•
Dry cleaning solvent, P-D-680, Is toxic and flammable. Always wear protective goggles and gloves, and use
only In a well-ventilated area. Avoid contact with skin, eyes, and clothes, and DO NOT breathe vapors. DO
NOT use near open flame or excessive heat. The solvent's flash point Is 100°F-138°F (380C-590C). If you
become dizzy while using cleaning solvent, Immediately get fresh air and medical help. If solvent contacts
eyes, Immediately wash your eyes and get medical aid.
•
Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never exceed 30 psi
(207 kPa). Wear protective clothing (goggles/shield, gloves, etc.) and use caution to avoid Injury to personnel.
1. Clean cylinder head and metal components with dry cleaning solvent and dry with compressed air.
2. Inspect cylinder head for cleanliness and burrs.
3. Ensure that pushrod ends (9) are threaded on clevis (8) until end of pushrod projects through clevis.
4. Ensure that piston crowns (1 1), head gasket surface (10), and seal grooves (12) are clean and free of foreign
material.
5. Ensure that bolt holes are clean.
c.
INSTALLATION I
1. Install three new cylinder gaskets (3), two new seals (6), three new seals (4), new seals (7), and new head gasket
(5).
2. Install two cylinder head guide studs (13) into bottom comers of cylinder block (14).
TA704937
5-56
