17
Stopping for Long
Periods
DC Motor (8136 only) Brush Replacement
If the extractor unit will not be operated for a long period of time or
needs to be placed in storage, please follow these steps to protect
the pump.
8.1 Flush pump with fresh water.
8.2 Turn off power supply.
8.3 Squeeze trigger gun to relieve discharge line pressure.
8.4 Disconnect inlet and discharge plumbing.
8.5 Connect a short 4 foot hose to the pump inlet and place the
other end of the hose in a container with 50% water and 50%
antifreeze.
8.6 Start the unit and run until the antifreeze flows out the discharge
of the pump.
8.7 Shut the unit off and disconnect the hose from the pump inlet.
8.8 Store unit (do not install plugs in the inlet and discharge ports).
DISASSEMBLY
7.1 Place flat tip of screwdriver between the
top of the white retaining clip and end
cover and pry upwards to provide small
separation between cover and motor
housing.
7.2 Using same screwdriver, remove white
retaining clip.
7.3 Remove wire lead from small opening in
motor housing.
7.4 Blow out dust that may accumulate in
opening of motor.
7.5 Repeat steps 7.1 to 7.4 to remove second
wire lead.
REASSEMBLY
7.6 Position wire lead into opening of motor
with brush and attaching spring down
into opening with brass end facing up.
7.7 Place white retaining clip over wire lead
and snap into place.
7.8 Using a soft mallet, tap end of cover
into place.
7.9 Repeat steps 7.6 to 7.8 to reassemble
second wire lead.
If the extractor unit has been shut down for any length of time, the
following steps should be used as a guideline to ensure the proper
restarting and resetting of the pump.
9.1 Turn regulator/unloader setting to lowest pressure point.
9.2 Reconnect the liquid supply line, discharge line and allow liquid
to flow through pump for 2-3 minutes.
9.3 Check for leaks at all plumbing connections.
9.4 Gradually reset regulator/unloader in small increments to desired
system pressure and resume operation.
9.5 Follow your established maintenance cycle or the standard
Preventative Maintenance checklist in this manual.
Restarting
System
