REAR RESERVOIR MAINTENANCE.
This task covers:
e. Drain valve cleaning
f. Drain valve inspection
Trailer parked on level ground, brakes engaged.
and wheels chocked.
Tool kit, mechanics general,
Nut, self-locking (4)
Tag and disconnect air hose (10) from elbow (9), and seal air hose with tape.
Remove elbow (9) from air reservoir (2).
Seal reservoir outlet (3) to spring brake control valve with tape.
Remove four bolts (1), eight washers (6), four self-locking nuts (5), and two gaskets (7)
from air reservoir (2) and trailer frame (8) and lower and remove air reservoir. Discard
self-locking nuts and gaskets.
To prevent contamination of air system components, take care to keep water from
Clean mud and dirt from exposed surfaces with water and brush.
Solvents 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 a well-
ventilated area. If solvent gets on skin or clothing, wash immeditaly with soap and
(2) Remove grease and oil with cleaning compound and a clean soft rag.
Inspect for loose, missing or damaged parts.
Inspect air reservoir for cracks, dents, holes and bulges.