SyriXus Series Pumps Installation and Operation Guide
Section 9 Pump Maintenance, Troubleshooting, and Servicing
9-23
EAR99 Technology Subject to Restrictions Contained on the Cover Page
1. Unscrew the brush retainer from the motor using a straight edge
screwdriver.
2. Pull the brush out of the slot and measure its length. If it is near-
ing 0.4 cm, replace both brushes.
NOTE
Alternatively, the entire motor can be replaced instead. For
longer-lived optimal performance, replace the motor when the
brushes wear down.
9.14.1 Motor Brush
Disassembly
1. Remove the wire lead by pulling on the spade connector.
2. Unscrew the brush retainer from the motor using a straight edge
screwdriver.
3. Pull the old brush out of the slot.
4. Connect the new brush to the wire lead.
5. Insert the new brush into the slot (needle nose pliers recom-
mended).
6. Push the spring down into the slot in the motor. You may need to
use the edge of the screwdriver to gently press the metal tabs
(Figure 9-16) on the spring down into the slot. Ensure that the
tabs on the sides of the brush go into the slot. Reinstall the brush
retainer, tightening it with the screwdriver (do not overtighten).
Figure 9-16 Inserting new motor brush
Metal Tabs
