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 164 of 894

TRUCK SERVICE MANUAL

REASSEMBLY

Lubricate O-rings, O-ring sealing surfaces and stem

with Item 3 of LUBRICANT SPECIFICATIONS (refer to

Fig.

4 for numbers in parenthesis).

1. Install new O-rings on stem (10) and piston (5).

2. Insert stem in valve body; then position piston (5)

in valve body over stem.

3. Install stem nut (3).

4. Install valve end cap (1) and new gasket (2).

Before vehicle is returned to service, perform

SERVICE CHECKS on valve as outlined.

TWO-WAY CONTROL VALVE

(BENDIX-WESTINGHOUSE TYPE TW-1)

DESCRIPTION

The TW-1 two-way control valve, which is an off-on

valve, is mounted on the instrument panel and is

primarily used in conjunction with various other air

devices in vehicle air systems.

The systems in which

these valves may be used are: transmission air control

valve, quick release valve, two-speed shift cylinders,

manually operated tractor protection valve and power

divider lock-out system.