A I R S Y S T E M A N D B R A K E SA I R C I R C U I T F O R T H EW H E E L B R A K E Ssage (16) and out exhaust diaphragm (18) until theforces above and below piston (9) are in balance.When the pedal is completely released, piston (9)moves off of valve (13). This completely releases allpressure in the system. Valve (13) is held againstvalve body (14) by spring (15).B R A K E C O N T R O L V A L V E ( B r a k e s A c t i v a t e d )7. Seat. 8. Rubber spring. 9. Piston. 10. Retainer. 11. Out-l e t p a s s a g e . 1 2 . S p r i n g . 1 3 . V a l v e . 1 4 . V a l v e b o d y . 1 5 .Spring. 16. Exhaust passage. 17. Inlet passage. 18. Ex-h a u s t d i a p h r a g m .The operation of valves (3) and (4) is the same.In valve (4), outlet passage (11) goes to the air cyl-inders only. In valve (3), outlet passage (11) goesto the air cylinders and the transmission neutralizervalve.AIR HORNS AND VALVETM 5-3805-258-24-1S Y S T E M S O P E R A T I O NAir horns (3) are activated by horn valve (2). Thehorn valve is activated (foot-operated) by hornbutton (1). The air horns are under the right handplatform. Horn valve (2) is fastened directly underthe floor of the operator’s station.T Y P I C A L L O C A T I O N O F T H E H O R N V A L VE2. Valve.L O C A T I O N O F T H E A I R H O R NS3. Horns.L O C A T I O N O F H O R N B U T T ON1. Button.3-81
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business