Motor Brush Disassembly - Teledyne D series Installation And Operation Manual

9.13.1 Motor Brush
Disassembly
Figure 9-17 Inserting new motor brush
Figure 9-18 For 30D a cable tie holds the wires together
Section 9 Pump Maintenance, Troubleshooting, and Servicing
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
nearing 0.4 cm, replace both brushes.
Note
Alternatively, the entire motor can also be replaced. For lon-
ger-lived optimal performance, replace the motor when the
brushes wear down.
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 (needlenose pliers rec-
ommended).
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 on the spring down into the slot.
Reinstall the brush retainer, tightening it with the screw-
driver (do not overtighten).
Metal tabs
D Series Syringe Pumps
Cable Tie
9-25