PH/PHX-2 Manual
30
SHUT-DOWN
TEMPORARY
Follow the recommended procedure in the indicated order for Proportioner temporary shut-
down such as lunch breaks.
1. Set Pump Switch (P, page 15) to OFF position.
2. Turn both “A” and “R” Heaters OFF. Hose Heater should remain ON. Never leave
Proportioner ON if unattended.
3. CLOSE Spray Gun Manual Valves.
CAUTION! Excessive force opening or closing the Manual Valves may result
in damage to the Manual Valves and/or Coupling Block.
LONG-TERM
Follow the recommended procedure in the indicated order for Proportioner shut-down when
work is stopped for the day.
1. Set the Pump Switch (P, page 15) to RETRACT.
2. Spray off the application surface until Material Pressure Gauges (E, F, page 14)
readings begin to fall.
CAUTION! To avoid possible Proportioning Pump Seal weepage, and
moisture vapor drive into the Heated Hoses, the system pressure should not
be reduced to zero. It is recommended to lower the system pressure to a
minimum of 400 psi (28 bar).
3. CLOSE the Spray Gun Coupling Block Manual Valves.
CAUTION! Excessive force opening or closing the Manual Valves may result
in damage to the Manual Valves and/or Coupling Block.
4. Turn OFF Motor Power (X, page 16).
5. Turn OFF the A and R Heaters and Hose Heater (S, page 15).
6. Turn OFF the Control Power (R, page 15).
7. Turn OFF the Auto Shut Down Switch (V, page 16).
8. Turn OFF the Main Power (N, page 15).
9. Disconnect the air supply to the two Transfer Pumps and CLOSE the Proportioner
Material Inlet Valves.
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