Troubleshooting - DOSMATIC SUPERDOS 30 Manual De Operación

New Install - Always Pressure Up Slowly (Follow start up on page 9)
Problem
Fluid not flowing through unit
No Clicking
Sound
Fluid flowing through unit
Injector in Operation or After Scheduled Maintenance
Problem
Main Piston Assembly #9 worn
Cover #1 or main body #40 worn
or scored
No Clicking
On/Off Lever in off position
Sound
By-Pass Valve (A) open
Dirty or plugged inlet filter
#17 Worn or not seated properly
Problem
Cylinders #7 or #68 worn
Dosage piston/gasket (WSP model)
#44 (0.3% model #51) worn or
installed incorrectly
O-ring retainer #15 installed
Clicking
incorrectly
Sound
O-ring seat #14 or dosage piston/
No Suction Of
gasket (WSP model) #44 (0.3%
Solution
model #51) damaged
#17 O-ring worn and/or loose
Suction tube #25 or suction tube
fitting #11 cracked, leaking or
clogged suction tube filter
Check valve #13 leaking
Problem
#44 (0.3% model #51) Dosage
Piston/Gasket (WSP model) worn
Clicking
#7 (#68 - 0.3%) Inner Cylinder worn Replace.
Sound.
Unit operates at high-flow and not
at low flow
Under
Main Piston Assembly #9 worn
Injecting
Cover #1 or main body #40 worn
or scored
Problem
Check valve #13 leaking
Fluid
Re-filling
Washer seal on #13 is swollen or
Solution Tank
chemical attack
English: 12

Troubleshooting

Cause
Are the red plugs at the inlet, outlet and suction tube fitting openings
removed?
Is the unit installed backward? The arrow on the unit must point in the
direction of the fluid flow.
If still not clicking, do not open the upper body. Call Dosmatic Customer
Service.
Fluid rate is below or exceeds rated service flow of injector. (see
Specifications page 6).
Has the new injector been stored for an extended period. If so, submerge
the injector in room temperature fluid for 24 hours so that the working
parts can reabsorb fluid and swell back to the proper size.
Operating pressure exceeds maximum limit. Install a pressure reducer
valve. (see Specifications page 6).
On/Off Lever in off position. Place the On/Off lever switch to the ON
position.
By-Pass Valve (A) not closed. Check and set valve to the CLOSED position.
Cause
Replace # 9 Main Piston Assembly. Clean fluid filter.
Install or clean fluid filter.
Place the On/Off lever switch to the ON position.
Set Valve (A) to the closed position.
Ensure mesh size is correct for proper filtration. Clean filter.
Re-seat #17 or replace.
Cause
Replace
Replace. Ensure during maintenance replacement that #44 dosage
piston was installed correctly flared-end up.
Install correctly.
Replace.
Replace.
Replace and/or clean as necessary.
Clean & replace as necessary.
Cause
Replace.
Replace #17 O-ring.
Replace # 9 Main Piston Assembly. Clean fluid filter.
Install or clean fluid filter
Cause
Check seat area on suction tube fitting #11. Check valve and seal must
fit loose in the suction tube fitting. Clean seal and inside fitting for debris.
Replace with new check valve assembly.
Solution
Solution
Solution
Solution
.
Solution