3
ASSEMBLY
1. Position the diaphragm on end in the inner diaphragm
clamp.Thesmallerdiameterendofthediaphragmshould
beagainstthediaphragmclamp.
2. Place and install the diaphragm guide within the
diaphragm and over the inner diaphragm clamp studs.
3. Install the push plate push rod assembly within the
diaphragm guide and over the inner diaphragm clamp
studs.
4. Install nuts on the inner diaphragm clamp studs and
tighten securely.
5. Place the assembly consisting of the push rod, push
plate, diaphragm guide, diaphragm and inner clamp
inside of the outer clamp.
6. Roll the free end of the diaphragm back and over the
end of the outer diaphragm clamp.
7. Lubricate the inside wall of the body and the rolled
surfaceofthediaphragmwithMurphy’soilsoap.
8. Slide the above assembly into the body.The endofthe
diaphragmshouldfitsnuglyagainst the shoulder in the
body.Positiontheouter diaphragmclampstuds through
theholesattheendofthebody, installnutsand tighten
securely.
9. Install spring guide (if so equipped) and install spring
over push rod, and install spring guide on spring (if so
equipped).
10. Install coveroverpush rodandinto body.Attach cover to
body with cap screws, tightening securely.
11. Install boot over push rod attaching to cover.
12.Install lock nut and yoke on push rod.
TESTING OF REBUILT ROTOCHAMBER
Perform“OperatingandLeakage” checks.
WARNING! PLEASE READ AND FOLLOW
THESE INSTRUCTIONS TO AVOID
PERSONAL INJURYOR 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
enginebein operation,EXTREMECAUTION 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. Useonlythe proper toolsand 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 certainto draintheairpressurefrom
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 vehicle manufacturer’s
recommendedprocedures, deactivate theelectrical
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®replacement parts,
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.
