ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
TEST OR INSPECTION
AIR SYSTEM AND BRAKES - CONTINUED
BRAKES RELEASE SLOWLY OR NOT AT ALL - CONTINUED
Step 2. Inspect brake assembly for binding parts.
c. If shoes (1), springs (2), or anchors (3) are tight, lubricate (LO 9-2320-269-12) or replace as
Step 3. Inspect brake hoses (4) for damage.
b. If hoses (4) are bent or pinched between vehicle components, remove and reroute, or replace as
c. If hoses (4) are damaged or collapsed, replace as needed (page 2-567).
Step 4. Test brake valves for blocked exhaust ports (5).
a. Using diagrams (pages 2-608), find relay valve (6), quick-release valve (7), and relay quick-
release valve (8).
b. Start engine (TM 9-2320-269-10), let air pressure build up, and shut off engine (TM 9-2320-269-
c. Listen for exhaust from valves (6), (7), and (8) while assistant depresses and releases brake
d. If valves (6), (7), and (8), are damaged, or no exhaust is heard, clean ports (5), and replace as
needed using applicable maintenance procedure, or notify Direct Support Maintenance.