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680SD BRUSHL ESS SERVO PUM P Cart r idge Remova l and Disassembly 18 680SD B rushless Servo Dri v en Pump Cartridge Remova l and Disasse mbly Procedur e Attention Refer to Figure 4 unless otherwise specified for p arts i…

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680SD BRUSHLESS SERVO PUMP
Pump Removal
Operation and Maintenance Guide 17
Pump Removal
Procedure Refer to the following:
1. Disconnect the pump air supply hoses at the dispense panel.
2. Disconnect the electrical connector from the dispense panel.
3. Remove the syringe adapter connector from S1 or S3 and remove the syringe
adapter from the top of the syringe.
4. Remove the pump from Z-axis mount.
5. Remove the syringe from the feed tube assembly (11, Figure 6).
680SD BRUSHLESS SERVO PUMP
Cartridge Removal and Disassembly
18 680SD Brushless Servo Driven Pump
Cartridge Removal and Disassembly
Procedure
Attention
Refer to Figure 4 unless otherwise specified for parts identification and orientation.
To remove and disassemble the cartridge:
1. Loosen the syringe mount thumbscrew.
2. Loosen the cartridge retainer thumbscrew.
3. Remove the retainer clip using the retaining ring tweezers provided in the support
kit (Figure 5).
4. Remove the cartridge and feed tube as an assembly from the cartridge housing.
5. Remove the needle holder nut and needle and put aside.
Figure 4
Retainer Clip
Syringe Mount
Screw
Feed Tube and
Leadscrew Assy
2-56 X 7/32 SHCS (2)
Cartridge Retainer Screw
Needle Holder Nut
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680SD BRUSHLESS SERVO PUMP
Cartridge Removal and Disassembly
Operation and Maintenance Guide 19
Figure 5
Attention
CAUTION: The leadscrew is made of carbide steel and should be handled carefully to
avoid damage. Permanent damage will result if the pump is assembled with a
damaged leadscrew.
6. Pull the leadscrew from the cartridge housing and put aside (Figure 7 ,8).
7. Remove the O-ring and discard.
8. Remove the washer and put aside.
9. Remove the two 2-56 X 7/32 (Figure 4) socket head cap screws that secure the
feed tube assembly to the cartridge and separate.