TM-5-3805-254-14-P-2

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)

JUNE 1980

TM-5-3805-254-14-P-2 - Page 185 of 894

BRAKES-AIR

TRUCK SERVICE MANUAL

No. 6-32 phillips head screws.

10. Lubricate and install the large diameter O-ring

around the end cover assembly.

OUTLET PORT CHECK VALVE ON AD-2

The one-way check valve located in the outlet port of the

AD-2 dryer assembly is replaced as a complete

assembly.

The removal and installation procedure is as

follows (Refer to Fig.

20).

1.

Set parking brake by applying the control valve.

2.

Bleed air from main air reservoir.

3.

Locate outlet port on air dryer assembly which is the

air supply to main air reservoir.

Then disconnect the

air supply line or hose.

4.

After hose is disconnected, the elbow and check

valve assembly can then be removed separately.

5.

Install new check valve assembly and seal.

6.

Reinstall elbow and connect hose.

7.

After air supply is restored check connection for

air leaks.

Fig. 20

Typical Air Dryer

Installation

182A