dosatron 8PJ075 Manual De Instrucciones

Part 8PJ075:
D8RE3000 - 40 GPM
Injection Seal Kit
This kit contains:
(1) PJDI140 Check valve
assembly
(1) JDI100 Injection sleeve
o-ring
(1) 8PJ074 Plunger with
seal
(1) 20J006 Upper injection
stem insert
o-ring
(1) JDI120 Injection stem
o-ring
Vea el reverso para
instrucciones en Español.
2090 Sunnydale Blvd.
Clearwater, FL 33765
1-800-523-8499 • 1-727-443-5404
www.dosatronusa.com
Kit Contents:
PJDI140:
JDI100: Injection
Check valve
sleeve o-ring
assembly
8PJ074:
JDI120:
Plunger
Injection stem
with seal
o-ring
20J006:
Upper injection
stem insert
o-ring
We recommend cleaning all parts with warm
soapy water and a toothbrush before
installing the new parts.
Water normally lubricates the parts, but you
may use silicone on the o-ring to facilitate
insertion.
Check valve may be taken apart and
cleaned in between maintenance to remove
particles.
CAUTION: Parts may contain
STOP
concentrated chemicals. The use of
Proper Protective Equipment is recom-
mended when performing maintenance.
Instructions
(Parts included in kit noted in blue)
1.
Unscrew hose nut
(PDI932). Unscrew
injection stem
assembly nut
(PDI702) and pull
down on stem to detach
from body of unit.
2. Unscrew check valve
nut (8P168) and pull
out check valve
assembly (PJDI140).
It should come out in
one piece. If not, be
sure to remove the
barb and check valve
and discard.
3.
Unscrew locking nut
(8P197U), remove "C"
clamp (PDI727) by
slightly spreading the
opening and gently
sliding it down over the
threads. Unscrew
adjusting nut
(PPDI036).
Holding the sleeve
(8P199), push
up on the threaded
part of the white injec-
tion stem (8P196U)
and slide it out of the
sleeve from the top.
Replace the injection
sleeve o-ring (JDI100).
4. From the injection stem (8P196U),
unscrew the upper insert (8P195U).
Flip the stem (8P196U)
upside down so the upper
insert o-ring (20J006)
comes off, discard and
replace. Remove and
replace the injection stem
o-ring (JDI120) as well.
Screw the upper insert
back on.
5.
Unscrew upper bell housing (8MP039),
and remove the piston
assembly (8PC002).
With the use of pliers,
remove the plunger
(8PJ074) by giving it
¼ of a turn counter
clockwise, discard and
replace. Insert the
piston assembly back
into the lower body
and screw the upper
bell housing back on.
6.
Slide the injection stem (8P196U)
down into the sleeve (8P199),
making sure the small key inside
the sleeve is aligned with the
longest groove on the white stem.
PDI702
Holding the black sleeve, pull down
on the white stem as far as it will
PDI932
go. Screw adjusting nut (PPDI036)
back onto the sleeve (8P199).
Reinstall "C" clamp (PDI727) by
8P196U
PJDI140
8P168
JDI100
8P199
8P196U
PPDI036
JDI100
PDI727
8P199
8P197U
7.
Insert new check valve (PJDI140)
PPDI036 at the bottom of the white stem,
making sure that the 4 white keys
PDI727
on the check
valve seat next
8P197U
to the 4 keys on
the bottom of
the stem.
Screw check
valve nut
(8P168) back on.
8P195U
20J006
JDI120
8.
Push complete injection stem assembly
in position at the bottom of the blue
8P196U
body, making sure desired scale is
facing front of injector. Keys at the top
of the black sleeve should slide into
the slots at the bottom of the body.
Slide injection stem assembly nut
(PDI702) up the sleeve and screw
8MP039
back on. Insert hose back onto the
bottom of the check valve barb and
screw hose nut (PDI932) back on.
To ensure hose is air-tight, you
8PC002
may choose to carefully cut the top
of hose before reinserting.
8PJ074
gently sliding it
over the threads
at the bottom of
the white stem.
Rotate clamp
until it clicks
into place.
Screw locking
nut (8P197U)
back on.
To remove
o-ring easily
without tools,
squeeze it on either
side to raise the
seal, then slide it
over the groove.
PJDI140
8P168