SERVICE MANUALCLEANING AND INSPECTIONWash all metal parts in cleaning solvent and drythem. Inspect all parts for excessive wear ordeterioration. Inspect the valve seats for nicks or burrs.Check the springs for cracks or corrosion. Replace allrubber parts and any part not found to be serviceableduring inspection.ASSEMBLYPrior to reassembly of the SR-1 Spring Brake Valve,lubricate all O-rings, O-ring grooves, piston bores andmetal-to-metal moving surfaces with the silicone baselubricant packaged in the repair kit or Item3 inLUBRICANT SPECIFICATIONS.The torque values listed in assembly procedure areassembly torque values and can be expected to fall offafter assembly. Donotretorque after initial assemblytorques fall.1.Assemble check valve, valve spring guide andvalve spring and insert them in body.2.Apply a pipe sealant to the socket head pipeplug and install it in body. Tighten to 15-19 Nm(130-170 inch-pounds) of torque.3.Place inlet and exhaust valve assembly intovalve body.4.Install exhaust diaphragm in exhaust cover.5.Position exhaust cover on body and securecover with two Phillips screws. Tighten screws to2.3-3.4 Nm (20-30 inch-pounds) of torque.6.Place inlet exhaust valve in body and installvalve spring and valve stop.7.Install O-ring on the cap nut and install the capnut in body. Tighten to 12-13 Nm (100125 inch-pounds) of torque.8.Position small and large O-rings on smalldiameter piston and insert piston in body.9.Install large and small O-rings on large diameterpiston and insert the piston in body.10.Position piston springs in their respectivepistons.11.Secure cover to body using four 1/4" 20 Phillipshead screws and lockwashers. Tighten fourscrews to 5.7-9 Nm (50-80 inch-pounds).Be sure inversion valve is checked as outlined inSERVICE CHECKS before chassis is returned toservice.CTS-4079 - CHAPTER VII - Page7
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
