Remove four clips (34), four springs (35), and
four brushes (36) from brush plate (37).
cleaning solvent P-D-680 is toxic and flammable. Wear protective goggles, face mask, and gloves
and use only in a well ventilated area. Avoid contact with skin, eyes, and clothes and don't breathe
vapor. Do not use near open flame or excessive heat. The flashpoint for type I dry cleaning
solvent is 1000F (38°C) and for type II is 140°F (60°C). If you become dizzy while using cleaning
solvent, get fresh air immediately and get medical aid. If contact with eyes is made, flush eyes with
water and get medical aid immediately.
Compressed air used for cleaning purposes will not exceed 30 psi (206 kPa). Use only with
effective chip guarding and personal protective equipment (goggles/shield, gloves, etc).
Clean all non-electrical parts with dry cleaning solvent P-D-680.
Clean electrical components with compressed air.
Inspect all wiring for damage. Replace any component with damaged wiring.
Inspect brushes for excessive wear. Brushes must be long enough to contact commutator segments on
Inspect brush springs for wear, distortion, or discoloration. Replace if damaged.
Inspect frame for deformities which would affect fit of windings. Replace if damaged.
Inspect armature for signs of wear or missing segments.
Perform continuity check of solenoid to check for an open or shorted coil. Replace defective solenoid.
Perform continuity check between contacts of solenoid by applying 24 VDC to coil. When coil is energized
contacts should be closed.
Apply voltage to solenoid coil. Armature of solenoid should retract.