CHASSIS T-FITTING TO DOUBLE CHECK VALVE HOSE - CONTINUED
INITIAL SETUP - CONTINUED
Airbrake system drained (page 2-1034).
Safety goggles must be worn when working under truck to prevent eye injury.
Chassis T-fitting (7)
Line nut (2) and
Using 3/4-inch and 5/8-inch open-end
wrenches, unscrew and take off.
Double check valve
Line nut (4), airhose
Using 3/4-inch open-end wrench, un-
(5), and 45-degree
screw and take off.
Take out airhose.
For more information on how to clean parts, go to General Maintenance Instructions (page 2-424).
Clean using liquid detergent and wiping rag.
Replace all damaged or defective parts.
For more information on how to inspect parts, go to General Maintenance Instructions (page 2-424).
Check for cracks, breaks, chaffing, or
Look for excessive rust or corrosion.
All threaded parts
Look for damaged threads or rounded
Change 1 2-1144