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P
PM Filte
er Asse
embly
T
The PM filte
er assembly (Figure 2)
2 is the corre of the H orizon systtem and it usually will replace
tthe muffler. The assem
mbly has im
mportant fea
atures high
hlighted belo
ow:
Figure
F
2: PM
P Filter As sembly.
E
ESW Clean
nTech, Inc.. provides a mounting
g assemblyy specifically designe
ed for the Horizon.
A
Although the
t
PM filte
er assemb
bly replace
es the stoc
ck muffler, it is impo
ortant to no
ote that
tthe PM filte
er assembly is heavie
er than a ty
ypical mufffler.
T
The PM filte
er includes ceramic ma
aterials; its care and h
handling req
quire the fo
ollowing:
1
1. Do not drop
d
or ham
mmer.
2
2. Use app
propriate eq
quipment when lifting.
3
3. Protect from
f
water intrusion.
4
4. Protect from
f
accide
ental impac
cts.
5
5. Do not weld.
w
6
6. Protect flanges
f
durring transpo
ort (use the foam shipp
ping coverss).
T
The PM filte
er assembly
y creates backpressurre on the en
ngine
nd ash from the exhaust, the P
In the proc
cess of rem
moving ove
er 85% of the
t
soot an
PM filter
ccreates bac
ckpressure on the en
ngine. At times, the
e backpresssure from the PM filtter (and
H
Horizon sys
stem as a whole)
w
may
y be higherr than the b
backpressu
ure caused by a muffler. The
a
actual amo
ount of bac
ckpressure from the Horizon
H
va
aries instan
ntaneously depending
g on the
e
engine spe
eed and loa
ad and the
e soot and
d ash loadiing in the PM filter. The regeneration
p
process rem
moves the carbonaceo
c
ous part of the
t soot an
nd thereby lowers the b
backpressu
ure.
H
Horizon_Owner's_Manual ESWCT-2013
3-07-09
Page 8