TM 9-2320-269-10
MANUAL RELEASE-RESET PARKING SPRING BRAKE
CAUTION
If the spring brakes have been compressed, they must be released before returning the truck to normal
service. Notify organizational maintenance to bring correct tools.
Reset (Uncage) Spring Brakes
NOTE
While turning the release bolt down, observe that the push rod, extending from the service brake
chamber, is moving the slack adjuster arm. This Indicates that the spring brake power spring is expanding
and applying the service brakes.
1.
Release the compressed power springs (1) by turning the release bolt (2) down, (clockwise) about 30 turns,
until the service brake shoes contact the drum.
2.
Install breather cap (3) to seal opening (4).
3.
Notify organizational maintenance to adjust the service brakes before returning the truck to normal service.
TA 222665
2-188