
18
Removing intake and pressure valve
Fault Cause 5HPHG\
1RSUHVVXUHEXLOGVXSLQ
WKHGHYLFH
/HYHU>@FDQEHPRYHG
YHU\HDVLO\
'LDSKUDJP>@LVGHIHFWLYH 5HSODFHWKHGLDSKUDJP
(Fig. 18)
Foreign object prevents
FORVXUHRIWKHSUHVVXUHYDOYH
>@DQGRULQWDNHYDOYH>@
&OHDQLQWDNHDQGRUSUHVVXUH
YDOYH(Figs. 18, 19)
2ULQJ>@LQFRUUHFWO\VLWXD-
WHGLQWKHLQWDNHYDOYH>@
,QVHUW2ULQJFRUUHFWO\LQWRWKH
LQWDNHYDOYH(Fig. 19)
/HYHU>@LVSXOOHG
GRZQZDUGV
,QWDNHYDOYH>@GLUW\RU
YDOYHEDOO>@VWLFNLQJ
&OHDQLQWDNHYDOYH(Fig. 19)
/HYHU>@LVSXOOHG
XSZDUGV Foreign object prevents
FORVXUHRIWKHSUHVVXUHYDOYH
>@RUGHIHFWLYHYDOYHGLVF
>@LQWKHSUHVVXUHYDOYH
&OHDQSUHVVXUHYDOYHRU
UHSODFHYDOYHGLVF(Fig. 18)
/HYHU>@ORFNHGRUFDQ
EHPRYHGGRZQZDUGV
ZLWKGLႈFXOW\RQO\
'LDSKUDJP>@LVGHIHFWLYH 5HSODFHWKHGLDSKUDJP
(Fig. 18)
3UHVVXUHYDOYH>@GLUW\ &OHDQSUHVVXUHYDOYH(Fig. 18)
1R]]OH>@DQGRU)LOWHU>@
EORFNHG Clean nozzle (Fig. 13) and / or
¿OWHU(Fig. 14)
2QO\DVSUD\HPHUJHV
WKHUHLVQRDWRPL]DWLRQ
1R]]OHLQVHUW>@LVPLVVLQJ 3RVLWLRQWKHLQVHUWLQWKHQR]]OH
(Fig. 13)
/LTXLGGULSSLQJIURPWKH
QR]]OH Foreign object in the nozzle
>@DQGRUWKHLQVHUW>@
&OHDQQR]]OHDQGRULQVHUW
(Fig. 13)
'HYLFHVSUD\VRQO\ZKHQ
SXPSHG
3UHVVXUHYHVVHO>@FRPSOH-
WHO\¿OOHGZLWKOLTXLG
3XPSGHYLFHHPSW\5HSHDW
DIWHU¿OOLQJVDWWKHODWHVW
7KHVKXWRႇYDOYHGRHV
QRWFORVH
/LTXLGHPHUJHVZLWKRXW
WKHOHYHUEHLQJDFWLYDWHG
2ULQJ>@RIWKHSUHVVXUH
EROW>@QRWJUHDVHG
2ULQJ>@GHIHFWLYH
*UHDVHWKH2ULQJRIWKHSUHVVX-
UHEROW(Fig. 20)
5HSODFHWKHSUHVVXUHEROWRU
2ULQJ(Fig. 20)
5HPRYHWKHSUHVVXUHYHVVHO>@VHH³&DUHDQGPDLQWHQDQFH´
Pressure valve:
G8VLQJWKH¿OOLQJVWUDLQHU>@XQVFUHZWKHSUHVVXUHYDOYHVFUHZ>@)LJ
Intake valve:
G6FUHZRႇWKHKH[DJRQQXW>@DQGWDNHWKHF\OLQGHU>@RXWRIWKHWDQN(Fig. 16)
H6FUHZWKHYDOYHVFUHZ>@RXWRIWKHF\OLQGHU>@ (Fig. 17)
EN ENGLISH
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WKHGHYLFHLQUHJXODULQWHUYDOV
8QOHVVRWKHUZLVHVSHFL¿HGZHUHFRPPHQGWKDWDQH[SHUWFDUULHVRXWDQH[WHUQDO
WHVWHYHU\\HDUVDQGDQLQWHUQDOWHVWHYHU\\HDUVDVZHOODVDVWUHQJWKWHVWHYHU\
\HDUV
Faults
8VHRQO\RULJLQDOVSDUHDQGDFFHVVRU\SDUWV