BENDIX DV-2 Service Data - Page 4

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INSTALLING AND REMOVING THE VALVE

REMOVAL

1. Block and hold vehicle by means other than the air

brakes. Drain the air system.

2. Disconnect the heater wire if the valve is so equipped.

Remove the automatic reservoir drain valve.

DISASSEMBLY

1. Remove the four (4) cover cap screws and lock

washers. Remove the cover and sealing ring.

2. NOTE: The heater and thermostat of the Bendix

DV‑2

drain valve (if equipped) are not serviceable.

™

If the heater or thermostat has failed, the entire cover

must be replaced. Do not remove the thermostat cover

plate. It is moisture sealed and removal could result in

early thermostat failure.

3. Remove the valve guide.

4. Remove the inlet and exhaust valve.

5. Remove the adapter and filter assembly (if filter is

present).

6. Remove the filter retainer (if any).

7. Remove the filter (if any).

INSTALLATION

1. Block and hold vehicle by means other than the air

brakes. Drain the air system.

2. To avoid early fouling at the DV‑2 valve, thoroughly

finish and clean the reservoir before installing the

drain valve.

3. Aerate any tank thoroughly if any solvents have been

used in the cleaning process.

IMPORTANT

valve equipped with a heater and thermostat, first

determine if the vehicle electrical system is 12 or 24

volt, and that the heater / thermostat unit is of the same

voltage. The #14 gauge lead wire on the valve should

be connected to the "ON" position of the engine control

or ignition switch. Use an 8 amp fuse for one valve, a

15 amp fuse for two valves, and a 20 amp fuse for three

valves. All electrical connections must be waterproof.

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When installing a DV‑2 drain

CLEANING AND INSPECTION

1. Cleaning solvent may be used on metal parts. Rubber

parts should be wiped clean.

2. Inspect all parts for wear or deterioration. Discard the

filter screen, if present.

3. Replace all parts not considered serviceable during

these inspections.

4. Bendix maintenance kit part number 282134 contains

all parts necessary for servicing all models of the DV‑2

valve.

ASSEMBLY

1. Before assembling the valve, apply a light film of grease

on the inlet valve seat.

2. DO NOT APPLY OIL TO THE INLET AND EXHAUST

VALVE.

3. Place the sealing ring in the groove of the cover.

4. Place the valve guide over the inlet and exhaust valve.

5. Place the valve guide and inlet and exhaust assembly

into the cover. Note that the wire will project through

the exhaust port.

6. Place the body on the cover and install the cap screws

and lockwashers.

7. Install the adapter or pipe nipple in the appropriate port.

8. Install the drain valve in the reservoir and reconnect

the heater wire, if the drain valve is so equipped.

9. NOTE: Covers on the standard and heated drain

valves can be interchanged.

TESTING THE REBUILT AUTOMATIC

RESERVOIR DRAIN VALVE

Perform "Operating and Leakage Tests" as outlined in this

document.