TM 5-3805-262-20ADJUSTMENT (SHEET 2 OF 2)(l) Turn off engine and open drain valve at bottom of air reservoir to re-lieve air pressure then close drain valve and repeat steps (e) through(k) above until pressure settings are correct. If one pressure settingis correct and other is wrong, remove and replace governor and forwardit to direct support maintenance (new adjustment assembly must be in-s t a l l e d i n g o v e r n o r ).(m) Turn off engine and open drain valve to relieve air pressure.(n) Disconnect zero to 150 psi pressure gage from street tee (3), removesafety valve (1) from street tee .(o) Remove street tee( 2 ) .( p ) C l o s e d r a i n v a l v eside panels (pageTESTING( a ) S t a r t a n d o p e r a t eAIR PRESS gage on( b ) T u r n o f f e n g i n e .(3) from tee (2) and reinstall safety valve (1) in teeat bottom of air reservoir and reinstall engine right9 - 1 7 ).engine at idle speed. Continue to operate enginel e f t i n s t r u m e n t c l u s t e r i n d i c a t e s i n g r e e n a r e a.(c) Apply soap and water solutionto governor exhaust port andcheck for bubbles indicatingair leakage. There shall be nobubbles indicating air leakage .I f a i r l e a k a g e i s i n d i c a t e d,remove and replace governor andforward it to direct supportmaintenance (0-rings are dam-aged and must be replaced).(d) Place key switch in ON posi-t i o n , b u t d o n ’ t s t a r t e n g i n e.Apply brakes several times todecrease air pressure and untillow air pressure warning buzzersounds. Place key switch in OFFp o s i t i o n .u n t i l(e) Apply soap and water solution to governor exhaust port and check forbubbles indicating air leakage. There shall be no bubbles indicating airleakage. If air leakage is indicated, remove and replace governor andforward it to direct support maintenance (0-rings are damaged and mustb e r e p l a c e d ).( f ) R e i n s t a l l e n g i n e r i g h t s i d e p a n e l s ( p a g e 9 - 1 7 ).7-101
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
