BENDIX DOUBLE CHECK VALVES Посібник - Сторінка 3

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CLEANING AND INSPECTION

1. Clean all metal parts in mineral spirits and dry them

completely.

2. Inspect all parts for excessive wear or deterioration.

Inspect valve seats for nicks or burrs.

3. Inspect the bores of the valve housing for deep scuffing

or gouges.

Replace all parts that were discarded and any parts not

found to be serviceable during inspection, using only genuine

Bendix replacement parts.

ASSEMBLY

Before assembling the DC-4

o-ring grooves with Bendix silicone lubricant (Pc. No. 291126)

or equivalent.

NOTE: When using pipe thread sealant during assembly

and installation, take particular care to prevent the

sealant from entering the valve itself. Apply the

sealant beginning with the second thread back from

the end.

1. Install the disc guide, disc and/or shuttle and shuttle

guide.

2. Coat all static seals such as o-rings, grommets, etc.

with BW 650M Silicone lubricant (BW 291126). It is not

necessary to lubricate shuttles or discs.

3. Install the grommets.

4. Install the end cap(s).

TESTING OF REBUILT DOUBLE CHECK VALVE

Perform operating and leakage tests as described in "Service

Checks" section.

GENERAL SAFETY GUIDELINES

WARNING! PLEASE READ AND FOLLOW

THESE

INSTRUCTIONS

PERSONAL INJURY OR DEATH:

When working on or around a vehicle, the

following general precautions should be

observed at all times.

1. Park the vehicle on a level surface, apply the

parking brakes, and always block the wheels.

Always wear safety glasses.

2. Stop the engine and remove ignition key when

working under or around the vehicle. When

working in the engine compartment, the engine

should be shut off and the ignition key should be

removed. Where circumstances require that the

engine be in operation, EXTREME CAUTION should

be used to prevent personal injury resulting from

™

valve, lubricate all o-rings and

AVOID

contact with moving, rotating, leaking, heated or

electrically charged components.

3. Do not attempt to install, remove, disassemble or

assemble a component until you have read and

thoroughly understand the recommended

procedures. Use only the proper tools and observe

all precautions pertaining to use of those tools.

4. If the work is being performed on the vehicle's air

brake system, or any auxiliary pressurized air

systems, make certain to drain the air pressure

from all reservoirs before beginning ANY work on

the vehicle. If the vehicle is equipped with an

AD-IS

air dryer system or a dryer reservoir

module, be sure to drain the purge reservoir.

5. Following

the

recommended procedures, deactivate the

electrical system in a manner that safely removes

all electrical power from the vehicle.

6. Never exceed manufacturer's recommended

pressures.

7. Never connect or disconnect a hose or line

containing pressure; it may whip. Never remove a

component or plug unless you are certain all

system pressure has been depleted.

8. Use only genuine Bendix

components and kits. Replacement hardware,

tubing, hose, fittings, etc. must be of equivalent

size, type and strength as original equipment and

be designed specifically for such applications and

systems.

9. Components with stripped threads or damaged

parts should be replaced rather than repaired. Do

not attempt repairs requiring machining or welding

unless specifically stated and approved by the

vehicle and component manufacturer.

10. Prior to returning the vehicle to service, make

certain all components and systems are restored

to their proper operating condition.

11. For vehicles with Antilock Traction Control (ATC),

the ATC function must be disabled (ATC indicator

lamp should be ON) prior to performing any vehicle

maintenance where one or more wheels on a

drive axle are lifted off the ground and moving.

vehicle

manufacturer's

replacement parts,