BENDIX SD-08-2403 manual Rebuilding the AD-2AIR Dryer Outlet Port Check Valve

Page 12

FIGURE 16 - AD-2AIR DRYER END COVER

31.Lubricate the cap nut threads and the cap nut bore of the end cover and install the cap nut, torquing it to 180-250 inch pounds.

32.Secure the exhaust diaphragm to the exhaust cover using the #6-32 Phillips head screw and diaphragm washer.

33.Secure the exhaust cover to the purge valve hex head cap nut using the #6-32 Phillips head screws.

34.Lubricate and install the large diameter o-ring around the end cover assembly.

REBUILDING THE AD-2AIR DRYER OUTLET PORT CHECK VALVE

1.Make certain the vehicle is safely parked. Block the wheels if necessary.

2.Locate and remove the line connected to the outlet port of the AD-2air dryer.

3.Remove the check valve from the outlet port. (See Figure 2)

HEATER POST

9

1

9

A

4.Remove the rubber sealing ring from the external threaded portion of the body and discard it.

5.Disassemble the check valve by unscrewing the body halves and note the order of the removal of the parts.

6.Discard and replace the check valve, valve spring and metal seal washer.

7.Wash all parts in a quality commercial solvent, making sure all surfaces are clean and dry prior to reassembly.

8.Coat all parts with a film of barium base lubricant such as Bendix piece number 246671 which is supplied with the maintenance kit.

9.Reassemble the check valve and torque the body halves to between 200 and 225 inch pounds.

10.Reinstall the check valve in the AD-2air dryer outlet port and reconnect the line leading to the first reservoir.

REINSTALLING THE DESICCANT CARTRIDGE AD-1AND AD-2AIR DRYER

1.

Wipe the inside of the dryer clean. If a solvent is used,

 

be certain that no residue is left in the shell.

2.

Check to be certain a film of barium base grease is

 

present on the o-rings and install the cartridge and purge

 

plate assembly into the body. Engage the bolt and tighten

 

to 375 inch pounds or 32 foot pounds torque.

3.

Check the end cover o-ring to be certain it is clean and

 

lubricate the o-ring with a barium base lubricant such as

B

8

5

10

7

Bendix 246671. Install the o-ring on the end cover and

install the end cover in the dryer body.

3

 

 

6

11

THERMOSTAT

2

4

 

 

 

 

1

 

 

1

COVER

 

FIGURE 17

12

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Contents SD-08-2403 Sectional Views Preventive Maintenance and Checking Serviceability OperationPage Electric Power to the Dryer Reassembly Replacing or Rebuilding the AD-1AND AD-2AIR DryerEnd Cover Removal Reinstalling the Desiccant Cartridge AD-1AND AD-2AIR Dryer Disassembly of Desiccant CartridgeRebuilding the Desiccant Cartridge Page Disassembly Rebuilding the AD-1AIR Dryer END Cover Assembly AssemblyAssembly Rebuilding the AD-2AIR Dryer END CoverRebuilding the AD-2AIR Dryer Outlet Port Check Valve Check to be certain a film of barium base grease isInstallation of AD-1AND AD-2AIR Dryer Maintenance KIT for the AIR DryerTypical Installation for the AD-1AIR Dryer AD-2AIR Dryer Troubleshooting Chart Symptom