SERVICE BRAKE (FULL AIR BRAKE) BR02–53
securely in place will void the MGM Brakes Warranty without
remedy.
IMPORTANT: If chamber is fitted with an external breather tube be
sure both ends of the connector tube are engaged a minimum of 1/2
inch into each of the flexible elbows. The tube must be glued to both
of the elbows with a high quality rubber adhesive or secured with a
clamp that may be purchased with the MGM Brakes Breather Tube
Kit. These units must be mounted with the BREATHER TUBE in the
upper half of the non-pressure chamber facing away from the road
surface.
After replacement of any brake chamber, the chamber pushrod stroke
and actuating alignment must be checked to assure correct installa-
tion and foundation brake adjustment. It is very important to recog-
nize that no foundation adjustments can be made at either the spring
brake chamber, or at the service brake chamber, and that all "stroke
adjustments" must be made at the slack adjuster according to the
specific recommendations of the foundation brake manufacturer or
the vehicle manufacturer.
4. PROCEDURE TO CUT THE SERVICE PUSH-ROD TO PROPER
LENGTH
Do not attempt to service or disassemble the spring chamber or any
spring brake actuator. A large spring in the spring chamber having
extreme force could cause serious bodily injury if it were suddenly
released due to inadvertent removal of this clamp or tamper resistant
head.
IMPORTANT: Place blocks under wheels to prevent vehicle runaway
before removing air brake actuators.
(1) REMOVE WORN OR NON-FUNCTIONAL UNIT FROM VEHICLE:
Determine manufacturer and model of unit to be replaced. Refer to
that manufacturer's service manual for caging and removal instruc-
tions.
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