Graco 3A0868G Power Roller User Manual


 
Schematics
3A0868G 67
Non-Hazardous Location Pneumatic Schematic
MANIFOLD
MERKUR
MOTOR A
PUMP A PILOT
GAUGE
AIR REGULATOR
MERKUR
MOTOR B
PUMP B PILOT
GAUGE
AIR REGULATOR
RELIEF VALVE
85/110 PSI (.58/.76
MPa, 5.8/7.6 BAR)
GAUGE
3/4" AIR FILTER
AUTO DRAIN
20 MICRON
AIR
INPUT
3/4" BALL VALVE
BLEED TYPE
3/8" AIR REG.
AUTO DRAIN
5 MICRON
100 PSI (.7 MPa, 7 BAR)
3/8" TUBE
TO MANIFOLD
4-WAY SOLENOID
12 VDC
DOSE A2
VALV E
(OPTIONAL)
4-WAY SOLENOID
12 VDC
AIR EXHAUST MUFFLER
CLOSE
OPEN
5/32 TUBE
DOSE A3
VALV E
(OPTIONAL)
4-WAY SOLENOID
12 VDC
CLOSE
OPEN
5/32 TUBE
4-WAY SOLENOID
12 VDC
A
B
A
B
A
B
A
B
PURGE A
VALV E
CLOSE
OPEN
5/32 TUBE
DOSE A1
VALV E
CLOSE
OPEN
5/32 TUBE
DOSE B
VALV E
4-WAY SOLENOID
12 VDC
CLOSE
OPEN
5/32 TUBE
A
B
PURGE B
VALV E
4-WAY SOLENOID
12 VDC
CLOSE
OPEN
5/32 TUBE
A
B
GFB #1
VALV E
(OPTIONAL)
3-WAY SOLENOID
12 VDC
OPEN
5/32 TUBE
A
PUMPS SYSTEMS ONLY
PUMPS SYSTEMS ONLY