Table of Contents
Advertisement
Motor Brush Replacement
11. Test brushes.
a. Remove pump connecting rod pin.
b. With sprayer OFF, turn pressure control knob
fully counterclockwise to minimum pressure.
Plug in sprayer.
c. Turn sprayer ON. Slowly increase pressure
until motor is at full speed.
d. Inspect brush and commutator contact area for
excessive arcing. Arcs must not trail or circle
around commutator surface.
WARNING
ELECTRIC SHOCK HAZARD
Do not touch brushes, leads, springs or
brush holders when sprayer is plugged
in to reduce risk of electric shock and
serious bodily injury.
CAUTION
Do not run the sprayer dry for more than 30 seconds
while checking the brushes to avoid damaging the
displacement pump packings.
12. Install brush inspection covers and gaskets.
13. Break in brushes.
a. Operate sprayer for one hour with no load.
b. Install connecting rod pin.
Advertisement
Table of Contents
