BICO Electric Rotarex User Manual

BICO DULIN ROTAREX SEPARATORS

For the determination of bitumen content and gradation of aggregates in bituminous
paving materials. Operation requires only 10 (ten) minutes. The sample is weighed, heated
slightly to start crumbling, cooled, then placed in the Rotarex bowl. Now solvent is added.
When set in motion, centrifugal action forces all liquid through the sample and out through a
filter paper gasket at the periphery of the bowl, effectively cleaning and drying the sample. The
solvent is periodically added to the sample while the bowl is in motion until it runs perfectly
clear from the drain spout. Aggregates may then be weighed and graded. Weight before and
after the extraction of bitumen determines constituent proportions.

Solvent is recovered via an aluminum catch basin and drained from a spout. The bowl
cover is held in place by a center filler screw, which is a funnel shaped piece that screws into the
power shaft head. It also serves as an inlet for additional solvent while the Rotarex is running.

All moving parts are fully enclosed and the machine is mounted on vibration absorbing
rubber cushions.

The electric motor brake, quickly stops rotation at the end of the process to eliminate
valuable lost time between tests.

BICO DULIN ROTAREX

INSTALLATION AND OPERATING INSTRUCTIONS FOR THE FOLLOWING

MODELS:

111-70-1 1000 GRAM 115 VOLT 111/51

111-70S-1 1500 GRAM 115 VOLT 111/51

**ALL MOTORIZED ROTAREX EXTRACTORS ARE EQUIPPED WITH 1/4 HP, SINGLE
PHASE MOTOR AND DRIVE CONTROL.

**STATE OF THE ART ELECTRONIC CONTROL PANEL PROVIDES ACCURATE
SPEED CONTROL FROM 0-3600 RPM.

**ELECTRIC BRAKE (WHICH STOPS ROTATION IN UNDER 10 SEC.) AND
TACHOMETER ARE INCLUDED ON ALL MODELS.

MODEL# CAPACITY VOLTAGE LBS/KG

**CONFORMS TO A.S.T.M. D 2172 A.A.S.H.O. T 164**

INSTALLATION
The ROTAREX should be mounted on a sturdy base using the rubber cushions provided with the
unit. This eliminates vibration from an unbalanced load, and reduces noise during operation.

POWER REQUIREMENTS
The totally enclosed non-ventilated motor is designed for operation from a 115 Volt, 50/60
Cycle or 220 Volt, 50/60 Cycle, single phase power. The motor control and three position rotary
switch, which has "BRAKE - OFF - ON" functions, are on the front panel. A three (3) wire cord
is supplied, the unit is ready to be connected to a grounded outlet. All models are equipped with
motors using double sealed ball bearings, requiring no further lubrication.

OPERATING INSTRUCTIONS

New Rotarex Speed Control Settings.

To operate these machines please follow the three steps below.

1. Plug the machine into 110-volt outlet. The control box should blink 125 this is normal
and means the machine is ready to run a sample.

2. Press the run/stop button on the control box and the machine will start and automatically
cycle up to 3600 r.p.m in approximately 42 seconds. You will know when the machine is
at 3600 r.p.m. when the indicator on the control box reads 125.

3. When done running sample press run/stop button and the machine will cycle to stop in
approximately 42 seconds.

This speed control unit is set at the factory
have to reset the speed control unit please follow the instructions below. It is
recommended you call our technical support line at 1-800-884-2426 7:30 to 5:00 Monday
through Thursday pacific standard time before attempting to reset the speed control unit.

1. To set to 3600 r.pm. Set the control unit to 125 on the digital display. 125 is equal to
3600 r.p.m. You can do this by using pressing up arrow key until display reads 125 and
then press data/ent key.

2. To set acceleration rate to approximately 42 seconds. Press dsp/func key and use up or
down arrow key to scroll to F01 and then press data/ent. Then scroll up to 20 and press
data/ent. Press the data/ent button again and the control unit will flash end. This indicates
the control unit is set.

3. To set deceleration to approximately 42 seconds. Press dsp/func key and use up or down
arrow keys and scroll to F02 and press data/ent. Then scroll up to 20 and press data/ent.
Press the data/ent key again and the control unit will flash end. This indicates that the
control unit is set.

4. Press dsp/func and digital display will read 125.

5. Press run/stop machine will start and cycle up to 3600 r.p.m in approximately 42 seconds.

6. When done running sample press run/stop button and the machine will cycle to stop in
approximately 42 seconds.

and should not have to be reset!! In the event that you

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