Z-Head Counterbalance Force Adjustment - Nordson Asymtek Spectrum Series Installation, Operation & Maintenance Manual

5.9

Z-head Counterbalance Force Adjustment

The Z-head Counterbalance Force prevents the Z-head from crashing down upon disengagement of the
motor. There are three settings to accommodate various payloads.
To adjust the Z-head counterbalance (Figure 5-11):
1. Using a 3 mm hex key, loosen the screw on the lower Z-spring.
2. Move screw down to increase tension.
If necessary, move screw up to decrease tension.
To test counterbalance tension:
1. Place valve on Z-head.
2. Move Z-head to middle of dispense area.
3. Open machine hood.
Z-head should not drop more the 25.4 mm (1-inch).
4. Readjust tension if necessary.
1
Item
1 Z-spring screw
Calibration and Adjustment
Figure 5-11 Z-head Counter Balance Force Adjustment
Description
5-9