CATERPILLAR > WHEEL TRACTOR-SCRAPER > WHEEL SCRAPER( WTS ) > 666B 20G (1968) [666 SCRAPER 20G00001-00175 (MACHINE)] {UE070011} > BRAKING SYSTEM

BRAKESSerial No. 20G1 to 20G129 inclusive4J2478 Slack Adjuster Assembly parts are shown on Page 173Note: Quantities shown are those required for both R.H. and L.H. sides BRAKES (4J2479 N/S)Effective with Serial No. 20G130. 4J2478 Slack Adjuster Assembly partsare shown on Page 173. Note: Quantities shown are those required for both L.H. and R.H. sides 4J2478 SLACK ADJUSTER ASSEMBLYPart of Brakes shown on Page 174 3J4887 RELAY VALVE ASSEMBLYPart of Brake Control shown on Pages 170 and 171 3D2744 ROTOCHAMBERPart of Brake Control shown on Pages 170 and 171 3J8323 ROTOCHAMBER ASSEMBLYPart of Brake Control shown on Pages 171A and 171B 6D6365 BRAKE SHIELD GROUPAN ATTACHMENT