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Sprin kler 52 d
show ing signs of cor ro sion shall be
tested and/or re placed im me di ately
as re quired. Quick re sponse sprin -
klers that are 20 years old shall be
tested and/or re placed as re quired.
Sprin klers that have op er ated can not
be re as sem bled or re-used, but must
be re placed. When re plac ing sprin -
klers, use only new sprin klers.
C. The sprin kler dis charge pat tern is crit -
i cal for proper fire pro tec tion. Noth ing
should be hung from, at tached to, or
oth er wise ob struct the dis charge pat -
tern. All ob struc tions must be im me -
di ately re moved or, if nec es sary, ad -
di tional sprin klers in stalled.
D. When re plac ing ex ist ing sprin klers,
the sys tem must be re moved from
ser vice. Re fer to the ap pro pri ate sys -
tem de scrip tion and/or valve in struc -
tions. Prior to re mov ing the sys tem
from ser vice, no tify all Au thor ities
Hav ing Ju ris dic tion. Con sid er ation
should be given to em ploy ment of a
fire pa trol in the af fected area.
1. Re move the sys tem from ser vice,
drain all wa ter, and re lieve all
pres sure on the pip ing.
2. Using the spe c i a l sprin kler
wrench, re move the old sprin kler
and in stall the new unit. Care
must be taken to en sure that the
re place ment
sprin kler
proper model and style, and has
the ap pro pri ate or i fice size, tem -
per a ture rat ing, and re sponse
char ac ter is tics. A fully stocked
spare sprin kler cab i net should be
pro vided for this pur pose.
3. Place the sys tem back in ser vice
and se cure all valves. Check and
re pair all leaks.
E. Sprin kler sys tems that have been
sub jected to a fire must be re turned
to ser vice as soon as pos si ble. The
en tire sys tem must be in spected for
dam age, and re paired or re placed as
nec es sary. Sprin klers that have been
ex posed to cor ro sive prod ucts of
com bus tion or high am bi ent tem per -
a tures, but have not op er ated, should
be re placed. Re fer to the Au thor ity
Hav ing Ju ris dic tion for min i mum re -
place ment re quire ments.
TECH NI CAL DATA
is
the
®
Microfast
MODEL M / M-5
QUICK RE SPONSE
SIDE WALL SPRIN KLER
®
Microfast
Model M
Ver ti cal Side wall Sprin kler
Base Part Num ber 06727B
®
Microfast
Model M
Ver ti cal Side wall Sprin kler
Base Part Num ber 06727B
In stalled Pen dent with
1/8" (3,1 mm) Es cutch eon
®
Microfast
Model M
Ver ti cal Side wall Sprin kler
Base Part Num ber 06727B
In stalled Pen dent with Micromatic
Model E-1 Re cessed Es cutch eon
®
Microfast
Model M
Ver ti cal Side wall Sprin kler
Base Part Num ber 06727B
In stalled Pen dent with
®
Microfast
Model F-1
Ad just able Es cutch eon
Fig ure 1
June 16, 1999
®
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