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PMCA-20
Manual
12
A. Control Panel
Controls and regulates the operation of the PMCA-20 Series Proportioner.
B. Isocyanate (Iso
“A”) Metering Pump
Meters the Isocyanate material.
C. Polyol (Poly
“R”) Metering Pump
Meters the Polyol material.
D. Heater
Heats the incoming chemical to a temperature set by the operator.
E. Hose Heating Transformer
Supplies the required voltage for material Heated Hoses.
F. Pneumatic Pressure Gauge
Indicates the pressure in the Pneumatic Drive System.
G. Isocyanate (Iso
“A”) Pressure Gauge
Indicates the pressure in the Isocyanate system.
H. Isocyanate (Iso
“A”) Safety Pressure Switch
Disables the pump circuit in the event of excessive pressure in the Isocyanate
system.
I. Heater Thermocouple
Provides temperature information of the chemical to its Temperature Controller.
J. Polyol (Poly
“R”) Pressure Gauge
Indicates the pressure in the Polyol system.
K. Polyol (Poly
“R”) Safety Pressure Switch
Disables the pump circuit in the event of excessive pressure in the Polyol
system.
L. Pneumatic Pressure Control
Allows the pressure of the pneumatic system to be increased or decreased.
Turn clockwise to increase the pressure and counterclockwise to decrease. To
pressure up the machine the NORMAL Pump Switch position must be selected.
M. Inlet Material Strainer
Filters (60 mesh) material from bulk supply.
Summary of Contents for MN-06001
Page 11: ...PMCA 20 Manual 11 DESCRIPTION PMCA 20 ...
Page 43: ...PMCA 20 Manual 43 DOUBLE ACTING PROPORTIONING PUMP DIAGRAM FILL STROKE DISCHARGE STROKE ...
Page 44: ...PMCA 20 Manual 44 PART IDENTIFICATION Pump Line Assembly PL 4 PL 5 ...
Page 46: ...PMCA 20 Manual 46 Air Motor Assembly NE 06009 ...
Page 52: ...PMCA 20 Manual 52 Pre Heater Assembly PH 13 ...
Page 55: ...PMCA 20 Manual 55 Air Machine PMCA 20 1600 PMCA 20 2400 ...
Page 56: ...PMCA 20 Manual 56 ...
Page 61: ...PMCA 20 Manual 61 Hoses ...