HYDRAULIC PUMP CONTROL VALVE MAINTENANCE (Cont).
c. CLEANING AND INSPECTION I
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 solvents flash point is
100°F-138°F (38°C-59°C). 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.
Clean metal parts with dry cleaning solvent.
Inspect metal parts for cracks, breaks, wear, and other damage. Replace if damaged.
Inspect bores of control valve for scratches and other damage.
Inspect for broken or deformed springs. Replace if damaged.
Perform step 1 to assemble valve assembly.
Install spring (32), two spring retainers (31), and spacer (33) to end of valve (26) with new lockwasher (34) and