Honda NSA700A DN-1 2009, Руководство по обслуживанию

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MAINTENANCE
SECONDARY AIR SUPPLY SYSTEM
• This m o d e l is e q u ip p e d w ith a b uilt-in se c o n d a ry
a ir s u p p ly sy s te m . T h e p ulse seco nd ary a ir su p ­
p ly s ystem is lo cated on th e c y lin d e r h ead cover.
• The s e c o n d a ry a ir s u p p ly s ystem in trod u ces fil­
tered a ir in to e x h a u s t gases in th e e xh aust port.
The s e c o n d a ry a ir is d ra w n in to th e e xh aust p ort
w h e n e v e r th e re is n e g a tiv e pressu re pulse in th e
exh aust sy s te m . T h is c h a rg e d seco nd ary a ir p ro ­
m o te s b u rn in g o f th e u n b u rn e d e xh aust gases
and c h a n g e s a c o n s id e ra b le a m o u n t o f h y d ro c a r­
bons and carb o n m o n o x id e in to re la tiv e ly h a rm ­
less ca rb o n d io x id e a n d w a te r.
I f the hoses s h o w
any signs o f h eat
dam age, inspect
th e PAIR check
valve in the cylinder
head cover for
dam age.
R e m o v e th e a ir c le a n e r h o u sing (p a g e 6-50).
C heck th e PAIR a ir s u p p ly hoses b e tw e e n th e PAIR
control s o le n o id v a lv e an d c y lin d e r head c o v e r fo r
d e te rio ra tio n , d a m a g e o r lo o se conn ectio ns. M a k e
su re th at th e hoses a re not cracked.
C heck th e a ir su ctio n hose b e tw e e n th e a ir c le a n e r
housing a n d PAIR c o n tro l s o le n o id valve fo r d e te rio ­
ration, d a m a g e o r lo o se c o nn ectio ns.
M a k e su re th a t th e hoses a re n o t kinked, p in ch ed o r
cracked.
PAIR CHECK VALVE
C Y L IN D E R H EA D COVER
E X H A U S T PO R T
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