ARMY TM 9-2815-252-24
AIR FORCE TO 38G1-92-2
FIGURE 3-24. Solenoid Terminals
3-24.4. Cleaning and Inspection.
Cleaning solvent Is flammable and toxic to eyes, skin, and respiratory tract. Skin/eye protection
required. Avoid repeated/prolonged contact. Good general ventilation Is normally adequate.
Do not clean overrunning clutch In solvent or other cleaning solution. Washing clutch will
remove grease which may result in damage to the clutch.
a. Wipe all metallic parts with a cleaning cloth (TX- 1250) that has been slightly dampened with solvent (P-D-
b. Inspect all parts for damaged threads, cracks, distortion, or other visible damage.
Compressed air used for cleaning can create airborne particles that may enter the eyes. Pressure
will not exceed 30 psig (207 kPa). Eye protection required.
c. Inspect armature commutator. If commutator is dirty or discolored, clean with abrasive paper (#400). Use
compressed air to blow sand out from between commutator segments.
d. Clean around brushes and holders by wiping off all brush dust and dirt. If brushes are shorter than 0.433 in.
(11.0 mm) they should be replaced.
e. Check for free movement of brushes. Brushes should move freely when placed in brush holders. Replace
brush springs if weak or worn.