speedline 680SD Pump .pdf - 第14页
680SD BRUSHL ESS SERVO PUM P Fine T uning Lif t Heigh t 12 680SD B rushless Servo Dri v en Pump Fin e T uni ng Li ft Hei ght Int roduct ion If material flow t h rough the pump is either insuf ficient or excessive aft er …
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680SD BRUSHLESS SERVO PUMP
Checking Lift Height
Operation and Maintenance Guide 11
Checking Lift Height
Procedure To check lift height:
1. Adjust the air pressure knob so that the air pressure gauge reads 15-20 PSI.
2. Perform a Purge Cup Position calibration. Make sure the purge Z-height is .5 in.
above the Weight Scale purge cone or purge cup so that the material stream is
easily observed.
3. From the main Benchmark screen select: Maintenance > Purge Needle. The
Purge Needle(s) screen displays (Figure 3).
Figure 3
4. Select Pump Type 680 Servo. The head will move to the Purge position.
5. Select the appropriate Valve.
6. Set the RPM to 100-200.
7. Set the time to 15-20 seconds.
8. Select the Purge On button.
Attention
When the Purge On button is selected the pump begins to operate. The leadscrew is
lifted from the needle, allowing the flow of material through the needle.
9. Observe the needle to verify proper volume.
680SD BRUSHLESS SERVO PUMP
Fine Tuning Lift Height
12 680SD Brushless Servo Driven Pump
Fine Tuning Lift Height
Introduction If material flow through the pump is either insufficient or excessive after purging, you
will need to adjust the lift height in order to achieve the correct volume of material.
Procedure Adjust the lift height as follows:
1. While selecting the Purge On button, rotate the adjustment ring clockwise (to
decrease volume) or counter-clockwise (to increase volume) until satisfactory
flow is achieved.
2. When the desired volume is achieved, rotate the adjustment an additional ½ turn
and then back to the desired setting to eliminate any backlash.
3. Tighten the lock screw.
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680SD BRUSHLESS SERVO PUMP
Dispensing
Operation and Maintenance Guide 13
Dispensing
Introduction This section provides information about needles used on the 680SD pump, describes
factors that affect dispensing, and provides recommendations for dispensing.
In this Section Refer to the following:
Topic See Page
Dispensing Needles 14
Factors that Affect Dispensing 15
Dispensing Recommendations 15