Stoelting U421 Operator's Manual page 24

Section 3: Maintenance
3. Reassembly
B.11
Connect the clear hose to the
low mix sensor.
B.12
Connect the tan hose to the low mix sensor.
B.13
Turn the pump on and feed the
tan hose into the left side of the
black cover clamp.
24 U421-I2 & U431-I2 OPERATOR'S MANUAL
NOTE
Face the natural curve of the tan hose
towards the outside of the cover to prevent
the hose from looping around twice.
B.14
Once the hose feeds through the cover, turn the
pump off .
B.15
Connect the tan hose to the bottom of the check
valve block. The bottom of the block has the smaller
hose connector.
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