BENDIX - AIR VALVES

* The SC-1 single check valve is a protection device which separates and protects reservoirs located ahead of the arrow stamped on its body. * The valve permits air to flow through it in only one direction as indicated by the arrow. * This valve is commonly used to protect service brake air pressure.

SC-1 Single Check Valve

RUBBER SEAT
PART NUM BER 227870X 227871X 229603X A THREAD 3/8" PT 1/2" PT 1/4" PT B THREAD 3/8" PT 1/2" PT 1/4" PT
* The DC-4 double check valve is used in the air brake system when a single function or component must be controlled by either of two valves. * The valve permits either, but not both control valves to operate the device connected to its outlet port.

DC-4 Double Check Valve

PART NUM BER 278614X 278615X
A THREAD 3/8" PT 1/4" PT
B THREAD 3/8" PT 1/4" PT
C THREAD 3/8" PT 1/4" PT
* The DC-4 double check valve is used in the air brake system when a single function or component must be controlled by either of two valves. * The valve permits either, but not both control valves to operate the device connected to its outlet port. A
PART NUM BER 278595X 278596X 278597X 278598X 280809X A THREAD 1/4" PT 3/8" PT 1/4" PT 3/8" PT 3/8" PT B THREAD 1/4" PT 3/8" PT 1/4" PT 3/8" PT 3/8" PT C THREAD 1/2" PT 1/2" PT 3/8" PT 3/8" PT 3/8" PT D THREAD 1/4" PT 1/4" PT 1/4" PT 1/4" PT 3/8" PT

QUALITY HEAVY DUTY PARTS

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BENDIX - AIR VALVES

* The TP-2 tractor protection valve is generally found mounted on the rear of the tractor cab. * It is used in conjunction with a dash mounted control valve. * It provides a means of opening and closing the two air hoses (service and emergency) leading to the trailer. * Automatically closes in the event of a tractor trailer breakaway or reduction of tractor system air pressure.
TP-2 Tractor Protection Valve
1/4 P.T. Control B Trailer Service Flange A Trailer Emergency 3/8 P.T. Tractor Emergency

3/8 P.T. Tractor Service

PART NUM BER 227661X 227672X 283090X
TRL. SERV. (1)-3/8" PT (1)-1/2" PT (1)-1/2" PT
STOP LIGHT SWITCH TRL. EM ERG. (1)-3/8" PT (1)-1/2" PT (1)-1/2" PT N/A N/A

1/8" in Flange

* The TP-3 tractor protection valve is generally mounted on the rear of the tractor cab. * It is used in conjunction with a dash mounted control valve. *It provides a means of opening and closing the two air hoses (service and emergency) leading to the trailer. * Automatically closes in the event of a tractor trailer breakaway or reduction of tractor system air pressure.
TP-3 Tractor Protection Valve
1/4 P.T. Tractor Emergency A Trailer Emergency

B Trailer Service

PART NUM BER 279000X 279692X

TRL. EM ERGENCY

A TRL. SERVICE (1)-1/2" PT (1)-3/8" PT
NOTE: TP-3 is used with PP-3 or PP-7 Valve.
(1)-1/2" PT (1)-3/8" PT
* The TP-4 (Formerly the WM-1) tractor protection valve (control valve manifold) is a proprietary valve used exclusively on Ford L model tractors. * It is a combination of two double check valves and a tractor protection valve. * With this valve either of the two service brake circuits of the dual air system on the vehicle can be used to apply the trailer brakes.
TP-4 Tractor Protection Valve
3/8 P.T. Delivery No. 1 3/8 P.T. Delivery No. 2 1/4 P.T. Trailer Emergency Supply

MAINTENANCE KIT: #283863

PART NUM BER 288301X
1/4 P.T. Stop Light Switch 1/4 P.T. Tractor Service Supply 1/4 P.T. Trailer Emergency Stop Light Switch

QUALITY HEAVY DUTY PARTS

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* The TP-5 (Formerly the VM-2) valve is a panel or cross member mounted unit designed to replace the tractor protection valve. * It has two double check valves and a quick release valve. * It may be used in conjunction with the VM-3 or independently. NOTE: Use #289253X when a trailer Control (Hand Valve) such as the TC-2 is not installed.
TP-5 Tractor Protection Valve
3/8 P.T. Serv. Rear 1/2 P.T. Trl. Emergency Supply

MAINTENANCE KIT: #289061

1/4 P.T. Stop Light Switch Exhaust
PART NUM BER 106941X 288605X 289253X
NOTES M ack Ve rs ion ------3/8 P.T. Trlr. Serv. & Emerg. Supply (Rear)

3/8 P.T. Trailer Control

1/2 P.T. Trailer Service Supply
* The VM-3 manifold valve serves as a control manifold providing a central location for air lines passing between the cab and engine compartment. * The control function is accomplished with the double check valve and pressure protection valve housed inside the VM-3.

VM-3 Manifold Valve

MAINTENANCE KIT: #289062

PART NUM BER

Bottom View

288645X

*The DV-2 drain valve ejects moisture and contaminents from the air system reservoir upon a slight reduction in reservoir pressure. * Mounts to bottom drain port of the reservoir.
DV-2 Automatic Reservoir Drain Valve

3/8 P.T.

PART NUM BER 281923X 284412X

Non-He ate d He ate d

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