2
Air System
BRAKE CHAMBERS – DRUM BRAKES
SERVICE CHAMBERS • 3-YEAR WARRANTY
PN
SIZE
CROSSES
STANDARD STROKE SC1200 12
800822, 5007117N 800823, 5007118N 802990, 800824 802986, 800825 800826, 5007121N 800827, 5007122N
SC12 SC16 SC20 SC24 SC30 SC36
1412001 1416001 1420001 1427001 1430001 1436001 1421001 1428001 1431001
12SCN0-C 16SCN1-C 20SCN1-C 24SCN2-C 30SCN2-C 36SCN3-C 20SCN2-C 24SCN3-C 30SCN3-C
SC1600 SC2000 SC2400 SC3000 SC3600
16
20 24 30 36
LONG STROKE SC2000LS 20 SC2400LS 24 SC3000LS 30
SC20L SC24L SC30L
K025365
K025360, K025365
SC1200
CAGING A BRAKE CHAMBER WARNING: Spring Brake Chambers are under extreme pressure and can cause serious personal injury, especially if caging is attempted by anyone not experienced in servicing these units. It is good practice to always stand to the side of the spring brake when caging or releasing. 1. Remove dust cap and release bolt from side of the center section. Re‑attach the washer and nut to the bolt. 2. Then, you must SECURE the brake 4. Once properly seated, screw the nut and washer up to the housing, by hand at first while making sure the T‑end remains seated inside the spring plate groove. 5. With a hand wrench, torque the release bolt nut to ±20 ft‑lbs. NEVER use an impact
SC3000LS
chamber on a table and apply between 100‑120 psi to the parking side inlet port marked PARKING / 12. Maintain this pressure throughout this caging procedure. 3. Insert the T‑end of the RELEASE BOLT into the parking side bolt‑hole until contact with the spring plate. Turn the RELEASE BOLT CLOCKWISE 180° while pulling slightly. The T‑end will slide into a GROOVE . Once seated, for safety, try turning the RELEASE BOLT back and forth a few times ensuring a proper connection.
wrench as you will likely damage the unit and/or possibly cause the main spring to release, potentially causing bodily harm. 6. The RELEASE BOLT is now holding the parking spring in the collapsed position so you can SLOWLY RELEASE the air pressure from the unit. NOTE: The threaded end of the release bolt will extend roughly 2‑1/2" or more out of the nut when the spring brake chamber is fully caged.
QUALITY • INNOVATION • DURABILITY
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