Hino 600, Workshop Manual, Page: 333 / 451

SERVICE BRAKE (FULL AIR BRAKE) BR02–55
(3) On all MGM Brakes models fitted with external breather tubes, dis-
connect the tube and elbow from the service chamber housing.
(4) Using a 9/16 inch wrench or socket, remove the clamp nuts on the
service clamp ring. Then, while holding the single spring brake
securely in place, remove the clamp ring to allow removal of the single
brake from the service chamber.
IMPORTANT
At this time take the opportunity to inspect all parts in the ser-
vice chamber (especially the diaphragm) and replace the return
spring, and any other parts which may be damaged or worn. Use
only genuine MGM Brakes Engineered replacement parts!
1/2-inch
Minimum
Engagement
Apply
Adhesive
Here
1/2-inch
Diameter Hole
SHTS068020200045
SHTS068020200046