User Manual
Part # PJDI120V
D14TMZ5 - 14 GPM
Viscous Injection
Seal Kit
(1) JDI121 Plunger seal
(1) JDI122 Injection stem o-ring
(1) JDI100 Sleeve o-ring
(1) PJDI118 Check valve assembly
This kit contains:
Vea el reverso para
instrucciones en Español.
Instructions
(Parts included in kit noted in blue)
Unscrew injection stem assembly
nut (PDI702) and set aside. Pull
down on stem to detach from body
of unit. Unscrew hose nut (PDI803).
1.
PDI702
PDI803
Unscrew check valve nut (PDI747)
and pull out check valve assembly
(
PJDI118). It will come out in one
piece. Discard.
2.
PDI702
PJDI118
PDI747
Unscrew locking nut (PDI746),
remove “C” clamp (PDI751) by
slightly spreading the opening
and gently sliding it down over the
threads. Unscrew adjusting sleeve
(PPDI037). Holding the sleeve
(PDI805), push up on the threaded
part of the injection stem (PDI753)
and slide it out of the sleeve from
the top. Replace both sleeve and
injection stem o-rings (
JDI100 and
JDI122).
3.
JDI121
JDI122
JDI100
PDI753
PDI805
PDI702
PPDI037
PDI751
PDI746
To remove o-ring
easily without tools,
squeeze it on either
side to raise the
seal, then slide it
over the groove
Remove and
replace plunger
seal (JDI121),
using same
method as above.
4.
Using tools could
damage the
plunger and aect
the injection rate
Slide the injection stem (PDI753)
down into the sleeve (PDI805),
making sure the small key located on
the bottom inside of the sleeve is
properly aligned with the longest
groove on the white stem. Holding the
black sleeve, pull down on the white
stem as far as it will go. Screw adjust-
ing sleeve (PPDI037) back onto the
sleeve (PDI805).
5.
JD121
JDI122
JDI100
PDI753
PDI805
PDI702
PPDI037
PDI751
PDI746
Reinstall “C”
clamp by sliding
it gently over the
thread at the
bottom of the
white stem.
Rotate clamp
until it clicks into
place.
Screw locking
nut (PDI746)
back on.
(See back cover for
steps 6 and 7.)
Insert new check valve (
PJDI118)
at the bottom of the white stem,
making sure that the 4 white keys on
the check valve seat next to the 4 black
keys on the bottom of the stem. Screw
check valve nut (PDI747) back on.
6.
PDI702
PJDI118
PDI747
Push complete injection stem assembly
in position at the bottom of the blue
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 nut (PDI702) up
the sleeve and screw back on. Insert
hose back onto the bottom of the
check valve barb (
PJDI118). Screw
hose nut (PDI803) back on.
7.
To ensure hose is air-tight, you
may choose to carefully cut the top
of hose before reinserting.
Kit Contents:
PJDI118: Check
valve assembly
JDI100: Sleeve
o-ring
JDI121: Plunger
seal
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.
JDI122: Injection
stem o-ring
STOP
CAUTION: Parts may contain
concentrated chemicals. The use of
Proper Protective Equipment is recom-
mended when performing maintenance.