Troubleshooting - North Star 157145 Owner's Manual

Before troubleshooting or attempting to service, read the following safety rules to avoid
accidental exposure to chemical and also risk of electric shock.
Note: A reserve, clean container capable of holding at least the volume of the entire pump system
should be kept for use when the pump system needs to be emptied temporarily for repairs. It is
advisable to purchase a reserve tank suitable for chemical storage from Northern Tool and
Equipment for use in these circumstances. The container should be properly labeled as to its
contents if it is used.
Before attempting to service the pump:
1. Personal
protective
equipment
2. Review
troubleshoot-
ing table
3. Empty and
flush
4. Disconnect
power/relieve
pressure
5. Perform
repairs
6. Test after
servicing

Troubleshooting

WARNING
Wear personal protective equipment as directed on the chemical's label
while servicing your pump.
Review the troubleshooting table below for the type of problem you are
experiencing. However, DO NOT attempt to repair until the steps listed
below are followed.
Empty the pump system and flush the pump with water as directed in
step 3 of the Operation section.
In order to avoid accidental exposure to chemicals, never attempt to
service the pump until the pump system has been emptied and the pump
flushed with water.
Disconnect power to the pump and be sure all system pressure is
relieved. See the Maintenance section for instructions to replace pump
cartridge.
Follow the directions provided in the troubleshooting table to repair the
pump.
After servicing, ALWAYS test the pump for leaks with plain water
before using.
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