Selecting The Correct Pump Tubing - Bunn LCA-2 IC Installation & Operating Manual

There are two pump tube sizes available for use with this dispenser. Look up the recommended tube size for the
mix ratio of your concentrate, refer to the Tube Selection Chart.
Dispense Concentrate Ratios
Rate 25
1.8 Oz/sec. 3/16" I.D. TUBING
(53 ml/sec.)
Example:
For a Dispenser Flow Rate of 1.8 Oz./sec (53 mL/sec) and a Mix Ratio of 60:1 – use 1/8" I.D. Tubing.
Tube kits can be purchased from BUNN-O-MATIC.
Part # 34727.1000 for 3/16" I.D. Tubing or #34728.1000 for 1/8" I.D. Tubing.
INSTALLING THE PUMP TUBING (Refer to the Tubing Installation Instructions in side the cabinet door for
details.)
1. Loosen the thumbscrew securing the tubing retainer plate to the pump housing. Set it and the retainer plate
aside.
2. Depress the tension screw and remove it from the notch in the pump body, releasing the spring tension on
the pump band.
3. Apply lubricant (BUNN-O-MATIC part number M2548.1000) to the new pump tubing.
4. Insert the tubing onto the mix chamber port and wrap the tubing around the pump rotor, making sure that
the elbow and clamps end up on the bottom side of the pump body.
5. Close the compression band reinsert the tension screw into the notch in the pump housing.
6. Replace the tubing retainer plate and tighten the thumbscrew.
7. Reconnect bag connector to the product box.
8. Repeat steps 1 through 7 for the other pump.
9. Prime the pumps. Refer to Priming the Concentrate Lines section.
Thumbscrew
Remove Retaining Plate

SELECTING THE CORRECT PUMP TUBING

TUBE SELECTION CHART
30 35 40 45
Tension
Screw
Release Spring Tension
Tension Screw
Tube Clamp
Install New Tubing
50 55 60 65
1/8" I.D. TUBING
Remove Tubing
Completed Installation
7
70 75 80 85
2.0"
Lubricate between arrows
Lubricate New Tube
90 95 100
2.0"
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