Arctic Heater Kit Maintenance Instructions (Cont)
ARCTIC KIT COOLANT PUMP REPAIR (CONT).
Do not touch commutator directly with skin.
Sweat and body oils will damage commutator.
Remove two bearings (32) from shaft of
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful
vapors, and are harmful to skin and clothing. To avoid injury or death, keep away
from open fire and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap and water.
Do not touch commutator directly with skin. Sweat and body oils will damage
Clean all metal parts in drycleaning solvent except armature and stator.
Inspect commutator contact surface for rough surface, pits, scoring, burns, hard carbon, oil coat,
severe wear, and out of round. Commutator may not be more than 0.002 in. (.051 mm) out of
round. Commutator diameter difference between nonwear surface and brush wear surface must
be less than 0.187 in. (4.75 mm).
21-6 Change 3