dosatron D25RE5 User manual

MAINTENANCE MANUALMAINTENANCE MANUAL
D25RE5
1 to 5%
1 100 1 20
1
:
100
to
1
:
20
Press Ctrl + L for full screen
DOSATRON INTERNATIONAL, INC. •800-523-8499
1

STANDARD INSTALLATIONSTANDARD INSTALLATION
STANDARD
INSTALLATIONSTANDARD
INSTALLATION
Inlet Outlet
Union ball
Optional
accessories
200 mesh /80
micron filter
check/check
valve or
water
hammer
arrestor
Concentrate
Optional accessories:
•
Pressure regulator
arrestor
Concentrate
Pressure
regulator
•Solenoid valves
•Water meter
Fl t i t
«click »for next step
DOSATRON INTERNATIONAL, INC. •800-523-8499
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•
Fl
ow res
t
r
i
c
t
o
r

MAIN MENUMAIN MENU
MAIN
MENUMAIN
MENU
•CHAPTER 1 REMOVING THE DISPENSER FROM INSTALLATION
•CHAPTER 2 DISASSEMBLING THE DISPENSER
•CHAPTER 3 REASSEMBLING THE DISPENSER
•CHAPTER 4 PISTON MAINTENANCE
•CHAPTER 5 AIR BLEED MAINTENANCE
•CHAPTER 6 BY-PASS MAINTENANCE
•CHAPTER 7 TROUBLESHOOTING GUIDE
Click on a specific chapter
or
Clic
k
for next slide
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SPECIFICATIONSSPECIFICATIONS
SPECIFICATIONSSPECIFICATIONS
D25RE5D25RE5
Injection Range:
• 1:100 to 1:201:100 to 1:20 --1to5%1 to 5%
Water Flow Range:
• 0.05 to 11 GPM0.05 to 11 GPM
Operating Water Pressure:
• 4.3 to 85 PSI4.3 to 85 PSI
Maximum Water Temperature:
Maximum
Water
Temperature:
• 104104°°FF ––4040°°CC
Note:Note: Normal safety precautions should be practiced whenNormal safety precautions should be practiced when
working with chemicals and equipment.working with chemicals and equipment.
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CHAPTER 1CHAPTER 1
REMOVING THE DISPENSER FROM INSTALLATIONREMOVING THE DISPENSER FROM INSTALLATION
D25RE5
1 to 5%
1 100 1 20
1
:
100
to
1
:
20
Return to Main Menu
« click » for next slide
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REMOVING THE DISPENSER FROM INSTALLATIONREMOVING THE DISPENSER FROM INSTALLATION
REMOVING
THE
DISPENSER
FROM
INSTALLATIONREMOVING
THE
DISPENSER
FROM
INSTALLATION
After turning off the water and relieving
the pressure on the unit unscrew the
dispenser inlet/outlet couplings and
allow it to drain.
Unscrew the suction tube nut and
remove the hose.
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DOSATRON INTERNATIONAL, INC. •800-523-8499
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CHAPTER 2CHAPTER 2
DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
D25RE5
1 to 5%
1 100 1 20
1
:
100
to
1
:
20
Return to Main Menu
« click » for next slide
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DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Unscrew and remove the lid.
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DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Unscrew the black nut.
«click »for next step
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DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Pull the injection stem
assembly out of the body, and
let the solution drain out of it.
CautionCaution: Stem may be full of
dil t d h i l B f
un
dil
u
t
e
d
c
h
em
i
ca
l
.
B
e aware o
f
hazardous materials and take
the necessary precautions for
p
rotection.
p
«click »for next step
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WATCH OUT FOR SPLASHING !WATCH OUT FOR SPLASHING !

DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Grab the valve support and pull the piston out of the body.
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DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Injection assemblyInjection assembly -- disassemblydisassembly
Remove the lower stem flange
O-ring.
«click »for next step
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DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Injection assemblyInjection assembly -- disassemblydisassembly
Put the body upside
down on the table and
remove the four
retaining screws. Use
Remove the stem flange and the upper stem
flange O-ring.
«click »for next step
DOSATRON INTERNATIONAL, INC. •800-523-8499
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retaining
screws.
Use
#2 Phillips screwdriver.

DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Injection assemblyInjection assembly -- disassemblydisassembly
Unscrew and remove the check valve nut.
«click »for next step
DOSATRON INTERNATIONAL, INC. •800-523-8499
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DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Injection assemblyInjection assembly -- disassemblydisassembly
Remove the check valve
Remove the check valve
bl b i d
Remove
the
check
valve
barb O-ring.
assem
bl
y
b
y grasp
i
ng an
d
pulling the barbed fitting
straight down. Do not twist it.
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DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Injection assemblyInjection assembly -- disassemblydisassembly
Remove the check valve seal.
Gently push the check valve out
of the injection stem with a pencil
or similar object Do not scratch
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DOSATRON INTERNATIONAL, INC. •800-523-8499
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or
similar
object
.
Do
not
scratch
the inside of the injection stem.

DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Injection assemblyInjection assembly -- disassemblydisassembly
Remove the check valve
retainer. Remove the cone and spring from the check valve guide.
«click »for next step
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DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Injection assemblyInjection assembly -- disassemblydisassembly
Unscrew and remove the Remove the anti-lock ring.
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DOSATRON INTERNATIONAL, INC. •800-523-8499
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lock nut.

DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Injection assemblyInjection assembly -- disassemblydisassembly
Unscrew and remove the ad
j
ustin
g
nut
jg
from the sleeve assembly.
«click »for next step
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DISASSEMBLING THE DISPENSERDISASSEMBLING THE DISPENSER
DISASSEMBLING
THE
DISPENSERDISASSEMBLING
THE
DISPENSER
Injection assemblyInjection assembly -- disassemblydisassembly
Remove the injection stem from the top of the sleeve assembly.
«click »for next step
DOSATRON INTERNATIONAL, INC. •800-523-8499
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