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DAILY MAINTENANCE
Follow same procedure for Shut Down and Storage.
PERIODIC MAINTENANCE
1. Twice a month, flush a white vinegar solution
(one quart vinegar to two gallons water) or anti-
browning solution (mixed as directed) through
the extractor. This will prevent build-up of
alkaline residue in the system.
2. If spray jet becomes clogged, remove the spray
tip, wash it thoroughly, and blow dry. NOTE: D
,
NOT USE PINS
WIRE
THIS COULD DESTROY THE SPRAY PATTERN
3. Apply silicone lubricant to solution nipple.
4. Periodically inspect all hoses, electrical cable
and connections on your machine. Frayed or
cracked hoses should be repaired or replaced to
eliminate vacuum or solution pressure loss. If
the cable insulation on the power cord is broken
or frayed, repair or replace immediately. Don't
take chances with electrical fire or shock.
perform the following repairs.
SOLUTION PUMP REPLACEMENT:
1. Turn
off
all
switches
machine.
2. Unfasten screws holding pump plate to
bottom of solution tank.
3. Remove solution hoses from fittings on
pump.
4. Remove pump from brackets and remove
fittings and grounding wire.
5. Reverse process to install new replacement
pump.
VACUUM MOTOR REPLACEMENT:
1. Turn off all switches and unplug machine.
2. Unfasten latch at back end of machine and
remove recovery tank.
3. Unfasten screws holding switch plate to
solution tank. Remove from solution tank.
Locate
the
vacuum
disconnect at the connector.
4. Unfasten screws holding vac plate to switch
plate. Remove the vacuum motor.
:
:
,
.
ETC
TO CLEAN NOZZLE AS
.
Only qualified
maintenance
personnel are to
and
unplug
motor
wires
PRS2/PRSD2 98901 10/19/02
5. Reverse process to install vacuum motor
replacement.
Vac Motor Carbon Brushes
Replacement
Carbon
Brushes 115V
O
Note: When replacing carbon vac motor
brushes loosen wire terminal BEFORE
removing screws on bracket.
If armature commutator is not concentric,
extremely pitted, or grooved the motor will
need to be replaced or sent to a qualified
service center to restore vac performance.
Important:
These brushes wear
quicker as the length
the
shortens due to
increased heat.
Spring inside brush
housing will damage motor
if brushes are
allowed to wear away
Periodically check the length of the carbon
brushes. Replace both carbon brushes
when either is less than 3/8" long.
and
MAINTENANCE
WARNING: The
green ground wire
must be attached
for safe operation.
See wiring diagram.
4-1
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