Stoelting U421 Operator's Manual page 19

J. Pump Hose Routing
Black Cover Clamp Black Cover Clamp
3/8" Clear Tube 3/8" Clear Tube
Check Valve Check Valve
513725 REV.0
1/2" Clear Tube 1/2" Clear Tube
Mix Sensor Mix Sensor
Mix Pickup Assembly Mix Pickup Assembly
U421-I2 & U431-I2 OPERATOR'S MANUAL
Section 2: Operation
Check Valve Block Check Valve Block
Tan Pump Hose Tan Pump Hose
19