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Motor Brush Replacement
6. Fig. 5. Insert brush (B). Push clip (A) until it snaps
into place and secures brush.
CAUTION
When installing brushes, follow all steps carefully to
avoid damaging parts.
7. Fig. 5. Install red (+) and black (–) motor leads
according to tags. Install brush lead into control
box and connect to board.
A
B
Fig. 5
8. Inspect commutator for excessive pitting, burning
or gouging. A black color on commutator is normal.
Have commutator resurfaced by a motor repair
shop if brushes wear too fast.
9. Test brushes.
a. Remove pump (13); Displacement Pump
Replacement, page 19.
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.
10. Break in brushes.
a. Operate sprayer 1 hour with no load.
ti3349a
b. Install pump (13); Displacement Pump Re-
placement, page 19.
11
309712
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