BENDIX E-3 Manual - Halaman 3

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Insert Disassembly

NOTE: It is recommended that entire inlet/exhaust insert

be replaced as an assembly.

7. Remove o-ring (17) from check valve seat (16).

8. Remove screw (20), washer (19), and diaphragm (18).

9. Depress and hold insert, and remove preload spring (21).

10. Remove inlet/exhaust valve (14), valve spring (13), and

o-ring (15).

11. Remove valve retainer (12).

Cleaning and Inspection

Wash all metal parts in mineral spirits and dry. Wipe all

rubber parts clean.

Inspect all parts for excessive wear or deterioration.

Inspect valve and valve seats for nicks and burrs.

Check springs for cracks, distortion or corrosion.

Inspect exhaust check diaphragm for flexibility, wear, and

deterioration.

Replace all parts not considered serviceable during these

inspections.

ASSEMBLY

1. Lightly lubricate the piston, valve bores, and o-rings with

Dow Corning 55-M pneumatic grease (Our piece number

291126).

2. Position rubber spring (10) in piston (7).

3. Install spring seat (9), washer (8), and cap screw (6).

Torque cap screw to 50 inch pounds.

4. Install piston o-ring (3) and place piston return spring (2)

in body.

5. Install piston retainer (4). Be certain the prongs snap

over groove in valve body.

Insert Assembly

6. Position preload spring (21) in exhaust check valve seat

(16).

7. Install diaphragm (18), diaphragm washer (19) (with lips

pointing out), and install screw (20). Tighten screw

securely.

8. Install o-ring (15) and valve retainer (12) on inlet / exhaust

valve body (14).

9. Install valve spring (13) on exhaust check valve seat (16)

and install inlet/exhaust valve (14) into exhaust valve seat

(16). Press the valve down until the preload spring snaps

and holds the assembly together.

10. Install o-ring (17) on exhaust check valve seat (16).

11. Place inlet/exhaust insert in valve body; position

identification washer. Press the insert down while

installing retaining ring (1). Make certain retaining ring

snaps into body groove, thus locking in the insert in

place.

Testing A Rebuilt E-2

™

or E-3

Perform operating and leakage tests as outlined in "Service

Tests" section.

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

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 cer-

tain all components and systems are restored to

their proper operating condition.

™

Brake Valve

AVOID

vehicle

manufacturer's

replacement parts,

™