M157-Series Smoke GeneratoR .
..
SOLE
N
OID PfOCEDUft CHANGE
D
A
new fuel soLenoid, NSN 4810-±1-397²1³58´ Is beIng used FOr the M157
smoke geneRaTorµ so the insTaLLaTIon pRoceduRe FOr ¶he solenoid has been Changed.
STeps 1²6 on Page 4²4± in ·hange 4 To ¸M ¹²1±º0-279-12&P should read »Ike
th¼s:
N:
Coat Te threads of ±He solenOD'S maLe piPe fI²²³ng w´µH
¶ea
l
com·un¸,
±²± 80³22´³69µ3,
bef¹Re ºNsta»ng
IT
¶·
BLow aIr InTo one o½ The Two sIde ¾rTs o½ the soLenoId vaLve (22) To deTeRmIne
whiCh ¾¿t Is The ½UeL suppLy po¿tÀ
¸
aI¿ CoÁes ouT The end port´ you've ÂLown
InTo The suppLy porTÃ ÄnsTaLL The Tee (21) To Åhis porTÆ BuT i½ aIr does noT Come ouT
The end porT´ ¶he oTheR sÇde po¿t o½ The soLenoId valve Is
The ½ÈeL suppLy porTÉ ÄnsTaLL ¶he Tee Ê2Ë) To ThaÅ po¿tÉ
_¹º»¼½¾¿
ÀÁ
ÄnsTaLl ¶he eLÂow Ê29 and ¹±)
a
one assemÌ
BlO
AÂÃ
hEÄE ÅÆÇ
assembLy ʳ2) wITh
Two sCrews Ê2Í) and
washers Ê28) Îom the
old soLenoidÏ
ÈÉ
·onneCT THe ½Èel
hose assemÂLy
(I)
To
The ½ÈeÐ ÑLTer Ê26)Ò
ÊË
ÄnsTalL The eLbow
assemÂLy Ê25) To ¶he
end poÓ o½ ¶He
soLenoid vaLve Ê22)Ò
BegInnIng wiTh
STep 7Ô The resT o½ The
-·
proCedure oÕ Page
4²4± stays The sameÖ
·hange 4 To Åhe
Ì
IncLudes The
proCedureÆ
PÍÎÎÏ
bLy To The oTher sIde po¿t×
ÐÑ
ÄnsTaLL The ½ueL ØlTer Ê2Ù) on the eLbows ʹ±)Ú
4Ò
ÄnsÅaLL Åhe soLenoid vaLve Ê22) on the Cover
@
ÓÓ
ÍÔPÕÖ