Blue Bird ALL CANADIAN NON-SCHOOL BUS
- Published
- 1979-11-07
- Model years
- 1976–1979
VEHICLES EQUIPPED WITH B.C. BT75 SPEC.AIR BRAKE SYSTEM. THE AIR LINE FROM THE RELAY VALVE MAY HAVE BEEN CROSSED WITH THE AIR LINE FROM THE R-8 MODULATOR VALVE AT THE TREADLE VALVE. THIS WOULD RESULT IN A LOSS OF SERVICE BRAKES SHOULD THE AIR SUPPLY BE DEPLETED
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