Mack CF FIRE CHASSIS

Published

1975-08-22

Model years

1972–1975

CF MODEL FIRE CHASSIS WITH MACK FAF-500C SERIES FRONT AXLES EQUIPPED WITH S-CAM BRAKES MANUFACTURED DURING THE PERIOD OF MAY 17, 1972 THROUGH JUNE 23, 1975. THE FRONT WHEEL BRAKE CAHMBERS UTILIZE A PRESSURE PLATE WITH A CENTRE MOUNTED INLET PORT. UNDER CERTAIN OPERATING CONDITIONS AND WITH THE FRONT WHEELS STEERED EITHER IN THE EXTREME LEFT OR RIGHT DIRECTION, THE AIR INLET FITTING INSTALLED IN THIS INLET PORT COULD CAONTACT THE FRONT AXLE SHCOK ABSORBER UPPER BRACKET AND CAUSE THE INLET FITTING TO BREAK. THIS WOULD RESULT IN LOSS OF BRAKING ON THE AFFECTED WHEEL AND COULD ADVERSELY AFFECT STE