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Section 6. Chemical Pump Tube
Replacement Procedure
WARNING
Disconnect power to the TruDose before
servicing by unpluging the power supply at the
receptacle.
WARNING
To reduce risk of exposure, please read the
following:
•
Check the pump tube regularly for leakage. At the first
sign of leakage, replace the pump tube.
•
The use of proper personal protective equipment is
mandatory when working on or near dosing pumps.
•
Prior to service, shipping or storage, pump generous
amounts of water or a compatible buffer solution to
rinse pump.
•
Consult MSDS sheet for additional information and
precautions for the additive in use.
•
Personnel should be skilled and trained in the proper
safety and handling of the additive in use.
•
Inspect tube frequently for leakage, deterioration or
wear. Schedule a regular pump tube maintenance
change to prevent damage to pump and/or spillage.
CAUTION
•
Use extreme caution when replacing pump tube. Be
careful of your fingers and DO NOT place fingers near
rollers.
WARNING
To reduce risk of hazardous pressure exposure,
please read the following:
•
Use caution and bleed off all resident system pressure
prior to attempting service or installation.
•
Use caution when disconnecting discharge tubing from
from pump. Discharge may be under pressure. Tubing
may contain fluid being metered.
ATTENTION
•
The pump must be permanently connected to a
dedicated electrical circuit. No other equipment, lights,
appliances, or outlets may be connected to the pump
circuit.
•
DO NOT apply grease, oil or lubricants to the pump
tube or housing.
•
Prior to pump tube replacement, inspect the entire
pump head for cracks or damaged components.
Ensure rollers turn freely.
•
Rinse off fluid residual and clean all fluid and debris
from pump head components prior to tube replace-
ment.
•
DO NOT pull excessively on pump tube. Avoid kinks or
damage during tube installation.
•
Inspect the suction/discharge tubing, injection point
(into pipe), and injection fitting for blockages after any
tube rupture. Clear or replace as required.
Jandy
TruDose
Chemical Controller
®
TM
6.1
Preparation
1.
Follow all safety precautions prior to tube
replacement and wear adequate protective
equipment.
2.
Prior to service, pump water or a compatible buffer
solution through the pump and suction/discharge
line to remove fluid and avoid contact.
3.
Turn off pump.
4.
Disconnect the suction and discharge connections
from pump head.
6.2
Remove Tube
NOTE:
Always turn off the dosing pump before doing
maintenance work.
1.
Turn off the pump.
2.
Remove the Phillips locking screw on the latch.
Slide the vertical tab 180 degrees from left to right
to unlock the cover latch. See Figure 17.
Figure 17. Unlock the Cover Latch
3.
To slide the cover off, push up on the raised edge.
See Figure 18.
Figure 18. Slide Cover Off
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