Troubleshooting - DOSMATIC SUPERDOS 45 Manual De Operación

New Install - Always Pressure Up Slowly (Follow start up on page 9)
Problem
No Clicking
Sound
Injector in Operation or After Scheduled Maintenance
Problem
No Clicking
Sound
Problem
Clicking
Sound
No Suction Of
Solution
Problem
Clicking
Sound.
Under
Injecting
Problem
Fluid
Re-fi lling
Solution Tank
English: 12

Troubleshooting

Cause
Are the red plugs at the inlet, outlet and suction tube fi tting openings removed?
Is the unit installed backward? The arrow on the unit must point in the
direction of the fl uid fl ow.
Fluid not fl owing through unit
Has the new injector been stored for an extended period. If so, submerge the
injector in room temperature fl uid for 24 hours so that the working parts can
reabsorb fl uid and swell back to the proper size.
If still not clicking, do not open the upper body. Call Dosmatic Customer
Service.
Fluid rate is below or exceeds rated service fl ow of injector. (see Specifi cations
for maximum fl ow rate page 6).
If below increase fl ow rate, if above, reduce fl ow rate.
Fluid fl owing through unit
Operating pressure exceeds maximum limit. Install a pressure reducer valve.
(see Specifi cations for maximum fl ow rate page 6).
On/Off Lever in off position. Place the On/Off lever switch to the ON position.
By-Pass Valve not closed. Check and set valve to the ON position.
Cause
Main Piston Assembly #9 worn
Cover #1 or main body #40 worn
or scored
On/Off Lever in off position
By-Pass Valve not open
Dirty or plugged inlet fi lter
#17 Worn or not seated properly
Cause
Cracked or loose Suction Hose
Dosage piston #44 (0.3% model
#51) worn or installed incorrectly
O-ring retainer #15 installed
incorrectly
O-ring seat #14 or dosage piston
#44 (0.3% model #51) damaged
#17 O-ring worn and/or loose
Suction tube #25 or suction tube
fi tting #11 cracked, leaking or
clogged suction tube fi lter
Check valve #13 leaking
Cause
#44 (0.3% model #51) Dosage
Piston worn
#7 Inner Cylinder worn
Unit operates at high-fl ow and not
at low fl ow
Main Piston Assembly #9 worn
Cover #1 or main body #40 worn
or scored
Cause
Check valve #13 leaking
Washer seal on #13 is swollen or
chemical attack
Solution
Solution
Replace # 9 Main Piston Assembly. Clean fl uid fi lter.
Lightly sand inside diameter of bores to remove grooves. Install or clean
fl uid fi lter.
Place the On/Off lever switch to the ON position.
Set Valve to the closed position.
Ensure mesh size is correct for proper fi ltration. Clean fi lter.
Re-seat #17 or replace.
Solution
Check for proper fi t and /or replace.
Replace. Ensure during maintenance replacement that #44 dosage
piston was installed correctly fl ared-end up.
Install correctly.
Replace.
Replace.
Replace and/or clean as necessary.
Clean & replace as necessary.
Solution
Replace.
Replace.
Replace #17 O-ring.
Replace # 9 Main Piston Assembly. Clean fl uid fi lter.
Lightly sand inside diameter of bores to remove O-ring grooves. Install or
clean fl uid fi lter
.
Solution
Check seat area on suction tube fi tting #11. Check valve and seal must
fi t loose in the suction tube fi tting. Clean seal and inside fi tting for debris.
Replace with new check valve assembly.