H8 09/06/2007 BRAKES OPERATION DESCRIPTION OPERATION NUMBER NPR W3/W4 N/W CREW NQR W4/W5 NRR W5500HD FRR WT5500 FTR FVR FXR HTR HVR HXR VALVE, BRAKE QUICK RELEASE - REPLACE H1780 - - - - 0.3 0.5 0.5 VALVE, TRAILER SUPPLY - REPLACE H1800 - - - - - 0.5 0.5 VALVE, AIR TANK DRAIN - REPLACE H1830 - - - - 0.2 0.5 0.5 VALVE, AIR TANK CHECK - REPLACE H1840 - - - - 0.3 0.3 0.3 VALVE,BRAKERELAY-REPLACE ADD: A - To Recondition Brake Relay Valve H1860 - - - - - - - - - - 1.1 0.3 1.1 0.3 VALVE, PARKING BRAKE CONTROL - REPLACE ADD: A - With Automatic Trans H1865 - - - - - - - - - - 0.6 0.3 0.6 0.3 VALVE, PARKING BRAKE RELAY - REPLACE H1870 - - - - - 1 1.1 VALVE, AIR BRAKE LIMITING - REPLACE ADD:
A - To Recondition Valve H1880 1 0.3 1.2 0.3 VALVE, SPRING BRAKE CONTROL - REPLACE H1900 - - - - - 0.4 0.4 VALVE, TRACTOR PROTECTION (BREAK AWAY) - R&R OR REPLACE H1920 - - - - - 0.4 0.4 VALVE, TRAILER HAND CONTROL - R&R OR REPLACE ADD: A - To Recondition Hand Control Valve H1980 - - - - - - - - - - 0.5 0.3 0.5 0.3 VALVE,BRAKESAFETY-REPLACE H2000 - - - - 0.3 0.3 0.3 VALVE, DOUBLECHECK-REPLACE H2020 - - - - - 0.5 0.5 VALVE, PRESSURE PROTECTION - REPLACE H2100 - - - - - 0.4 0.4 VALVE, AIR PRESSURE MODULATOR - REPLACE One Both H2102 H2103 - - - - - - - - - - - - 2.3 3 VALVE, MOISTURE EJECTOR- REPLACE H2150 - - - - 0.2 0.2 0.2 BOOSTER, AIR - R&R OR REPLACE ADD:
A - To Recondition Booster B - To Replace Mounting Bracket H2180 - - - - - - - - - - - - 2.1 1.2 0.5 2.1 1.2 0.5 2.1 1.2 0.5 COMPRESSOR, AIR - R&R INC: Drain and refill radiator on models equipped with water cooled compressor. ADD: A - With Power Steering B - To replace Compressor Brace C - To recondition Compressor o - With Air conditioning H2200 - - - - - - - - - - - - - - - - - - - - 5.8 0.4 0.1 1.9 0.2 0.6 - - - 1.9 0.2 0.6 - - - 1.9 0.2