dymax BlueWave 200 Panduan Pengguna - Halaman 13

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Troubleshooting

Table 1. Troubleshooting Chart for Model 200 Dispensing Valve

Problem

The valve does

not dispense

anything

The dispense

rate is too fast

The dispense rate

is too slow

There are air

bubbles in the

fluid

Material leaks

from the valve tip

Possible Cause

The fluid pressure is too low

There is material cured in the

Fluid Section

The Diaphragm is worn

The fluid pressure is set too

high

Stroke Adjustment Nut (E) set

too high

Dispense tip gauge too large

Fluid pressure set too low

Stroke Adjustment Nut (E) set

too low

Dispense tip gauge too small

Valve not properly purged

There is a problem with the

Fluid Reservoir and Delivery

System

The Diaphragm is worn

There are air bubbles trapped

in the fluid body or in the

dispense needle

Model 200 Dispensing Valve User Guide

Corrective Action

Increase the fluid pressure above

15 psi

Disassemble and clean the valve

Replace the Diaphragm (B)

Decrease the fluid pressure

Turn the Stroke Adjustment Nut

(E) counter-clockwise

Replace the Dispense Tip with a

smaller size tip

Increase the fluid pressure

Turn the Stroke Adjustment Nut

(E) clockwise

Replace the Dispense Tip with a

larger size tip

Point the valve up and cycle until

air bubbles are removed

Diagnose and repair

Replace the Diaphragm (B)

Point the valve up and cycle it

until the air bubbles are removed