Air System - In Cab Lines All Models Air systems schematics are located in Mod 880 and 883. Refer to individual serial numbers for specific truck information systems using your dealer or service link. Basic Air System for Dual Hand Control Dash Valve 18 S S D E 25A 25A 21 A S D E 883 EXH 880 141 880 113 B 880 116 880 116 880 116 H ...
EXH B B S S B SYSTEM S D D EXHAUST LINE THROUGH FIREWALL S S A SYSTEM S D D D 42 IN CAB MANIFOLD AIR ACCESSORIES A ACCESSORY 880 116 2 LINE SIZE LEGEND 1 CAB PASS THRU SEE PORT DIAGRAM IN MOD 880 FOR HOLE USAGE DETAILS 1 IF PASS THROUGH IS FULLY POPULATED USE FIREWALL DRILLING AND BULKHEAD FITTING 2 TO PRESSURE PROTECTED AIR SUPPLY Page 1A-22 Rev (2.3) - Feb 2015 No.
DESCRIPTION 1 COMPRESSOR 2 GOVERNOR 3 RESERVOIR - SUPPLY "SUPPLY" 4A RESERVOIR - SUPPLY "A" 4B RESERVOIR - SUPPLY "B" 4C RESERVOIR - SUPPLY "C" 4D RESERVOIR - SUPPLY "D" 5 RESERVOIR "EXTRA" 6 BRAKE VALVE 7 CHAMBER, SERVICE, CAM 7A CHAMBER, SERVICE, WEDGE 8 8A CHAMBER, SERVICE, PARK , CAM CHAMBER, SERVICE, PARK WEDGE 9 10 RELAY VALVE DUAL SUPPLY ( 5.5 PSI CRACK ) 11 RELAY VALVE DUAL SUPPLY ( 4.0 PSI CRACK ) 12 SINGLE CHECK VALVE 13 DOUBLE CHECK VALVE 14 QUICK RELEASE VALVE 15 FRAME TEE 16 TEE 17 AXLE TEE 18 PARK CONTROL VALVE SYSTEM 19 TPV CONTROL - TRAILER AIR SUPPLY 20 TPV (TRACTOR PROTECTION VALVE) 21 HAND CONTROL VALVE 22 SPRING BRAKE / INVERSION VALVE 23 ABS PMV ( PRESSURE MODULATION VALVE ) 24 ATC ( ABS ANTISPIN VALVE ) 25 25A 26 AIR PRESSUR GAUGE ( DUAL ) AIR PRESSUR GAUGE ( SINGLE ) DRAIN VALVE ( SPITTER VALVE ) 27 28 29 DRAIN COCK STOP LAMP SWITCH AIR DRYER 30 31 QR1-C ( QUICK RELEASE / DBLE CHECK VALVE ) GLAD HAND 32 33 PASSTHROUGH MANIFOLD IN-LINE FITTING 34 FRONT LIMITING VALVE 35 36 PRESSURE RELIEF VALVE 37 PRESSURE PROTECTION VALVE 38 ADJUSTABLE PRESSURE REGULATOR 39 PRESET PRESSURE REGULATOR 40 CONTROL VALVE 41 BP-R1 ( BOBTAIL VALVE ) 42 DC-4 ( DOUBLE CHECK VALVE ) 43 DS-2 ( DOUBLE CHECK VALVE ) PORT LEGEND SYMBOL DESCRIPTION S SUPPLY D DELIVERY C CONTROL E R EXHAUST RESERVOIR SYMBOL A NYLON 1/4 HOSE #4 B 3/8 #6 C 1/2 #8 D 5/8 #10 E 3/4 #12 F #8 TEFLON G H 1/8 5/32 NONE NONE