PS Magazine - TB 43-PS-412
PS, The Preventative Maintenance Monthly
ISSUE 412
MARCH 1987
MB-Series ChemIcal AlaRm.
Doing your PMCS by the Book will
Tke care of most problems Fr your M8
or M8AL ±l±rm, oper±tors. ²ut here ±rE
some tips th±t wil³ help your ±l±rm detect
eveN better ±Nd m±ke your job e±sier:
•
Keep the ±ir ´ltµr c±p screwed oN
M8AL ±Nd it c±¶'t do it· detectiNg work.
•
M±ke sure the remote biNdiNg posts
oN both tHe M8 ±Nd M8AL areN't s¸ick-
iNg or we±k. If ¹e posts stick, you'll
h±ve trouble coºecting the »±rm ±nd
detector. If the ¼sts' springs are weak,
L-.±²³1
you'½ get ± ¾Or coNNectioN. ¿h±t meaNs
Àtight oN Áoth the M8 ±Nd M8AL. If it's
¶o ±larm. ¿ell your ²C ÂCà ±boUt
loose, ±ir Äow is reÅuced in your M8 or
biNdi¶g or weÆ posts.
54
MAR 87
•
Âever muscle up oN the M8's h±Nd
cr±Nk. If you press dow¶ aNd tuÇ it too
Never foRce hand crank. Pull
Up 'til crank clicks at shutdown
h±rd, you c±N break the Èob or ɶd Êhe
stem. ¿heN yoU ca¶'t prËe Êhe pump. If
the cr±Ì turNs h±rd, teÍÍ your ²C
ÂCÃ. Remember, wheN you sHut dowN
your M8, you must pUll the crank all the
w±y up to the stow positio¶. WheN you
release the cr±Nk, ± spriNg ¼ps it up p±rt
w±y. ²ut you stilÎ Need to pull the cr±Nk
up tiÏl it clicks iN pl±ce. ¿h±t preveNts
d±m±ge to pump ÐubiNg.
•
Keep the M8 aNd M8AÑ 's
2
VDC
IU
c±p oN whe¶ you'Ò Not usÓg the
Keep
cap o±!
coNnector. ¿heN w±ter ±Nd dirt c±N't get
in ±Nd c±Use ¼wer proBlems.
•
D
oÔ your M8 or M8A 1.
i
you've
beeN out iN the r±iN, dry oÕ your uNit's
outside beFre you tÖ× it i¶ so screws,
the ch±iN, ±Nd the 24 VDC ØPÙ¿ c±p
woN't rust.
•
Purge your M8. Úf you're Not goi¶g
to use your M8 Fr more Êh±N 72 hours,
rÛN distiÜled w±ter tHÝough tHe pump to
keep ÊÞe reservoir soÍutio¶ ßom dam±g-
à¶g Êhe pump. ¿He procedure's oN P±ge
5á1 iN ¿M 3á6665â225á12.
•
Keep the M8's reservoir ±ssembÍy
hose ±Nd weighted baÍÍ clãN. äveN ± åttle
Keep hose
and baLL clea±,
away FRom di²³
dirt c±N clog the b±ll's tiNy hoÍes. WheN
you remove Êhe reservoir ±ssembly, be
c±reæÍ to keep Êhe ball aNd hose cÍe±r
of ±¶y dàrty surf±ce.
•
Wiç aNy crud ßom the iNside of the
M43 or M43AL c±se. Dirt ±Nd detectioN
doN't
m´
Remember
to ch±Nge the
a
èÏter Íéêe
Your oper±tor ¿M's tel³ you. ¿he M8
NeeÅs ± New èÏter every 12 hours of
useëor ìily if you use the M8 less tH±N
12 hoUrs. ²ut the M8AL c±N use ±n ±ír
´Íter ±
fl
24 îours. Âeither the M8 Nor
M8AL will detect with ± dirty ±ir ´lter.
ANd ± dirty ´lter c±N d±m±ge the pÖmp
±ssembly.
MAR 87
55
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