4-47. HANDBRAKE (cont)
CLEANING AND INSPECTION
Drycleaning solvent P-D-680 is toxic and flammable.
Wear protective goggles and gloves and use only in
a well-ventilated area. Avoid contact with skin,
eyes, and clothes and don't breathe vapors. Do not
use near open flame or excessive heat. The flash
point is 100 - 138°F (38 - 59°C). If you become dizzy,
get fresh air and medical aid immediately. If contact
with eyes is made, wash your eyes and get medical
Clean metal parts with drycleaning solvent.
Clean snubber with detergent and water.
Inspect parts for cracks, breaks, and damage.
Inspect the teeth on the pinion, ratchets, and chain drum for wear.
Inspect the springs for serviceability.
Position brake assembly (9) on cab wall and install screws (7) and lockwashers (8).
Feed a wire through the front bottom hole of housing, over chain drum, and out the rear bottom hole of the
housing. Attach the wire to chain (6) and pull chain over drum and out the front bottom hole. Slide chain
snubber (5) up chain. Position weight (4) on chain and install pin (3). Slide snubber down over weight.
Lube in accordance with LO 55-2210-223-12.
Position cover plate (2) and install screws (1).