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K9-12 FlexShaft
Figure 7C – Feed Cable Through Cap Hole
Figure 7 – Retrieving Chain Knocker From
Drum
10. Pull approximately 4' (1.2 m) of cable as-
sembly out of the machine.
11. Mark the sheath to indicate when the
chain knocker is approaching the drain
opening when withdrawn. This can be
done with tape. This reduces the risk of
the chain knockers coming out of the
drain and whipping around. The distance
depends on the configuration of the drain,
but should be at least 4' (1.2 m) from the
chain knocker.
12. Ensure chain knocker is properly installed
(see Installing/Adjusting Chain Knocker).
13. Insert chain knocker end at least 1' (0.3
m) into drain.
14. Evaluate the work area and determine if
any barriers are needed to keep bystand-
ers away from the drain cleaning machine
and work area. The drain cleaning pro-
cess can be messy, and bystanders can
distract the operator.
15. Position the machine for easy accessibil-
ity. You must be able to hold and control
the cable assembly and the drill switch.
16. With dry hands, insert the battery into the
drill.
Battery Powered Drill
Set-Up and Operation
See the Specifications section along with this
section for information on acceptable battery
powered drills for use with the FlexShaft Drain
Cleaning Machines. There are many types of
battery powered drills available, and not all are
appropriate for use with the FlexShaft Drain
Cleaning Machines. If there is any question
about appropriateness of a drill for this appli-
cation, do not use it. Remove the battery from
8
Drain Cleaning Machine
™
the drill before making any adjustments or
attaching to/removing from the drain cleaning
machine.
Drill Switch
The drill must be equipped with a momen-
tary contact switch without a switch lock. This
means that the drill will only turn when the
operator is depressing the drill switch. If the
drill switch is released, the drill will turn OFF.
Set drill rotation to match the arrow on the
machine (see Figure 4).
Drill Speed
When using your FlexShaft Drain Cleaning
Machine, the required rotational speed range
is 1800 – 2500 rpm. Cleaning will be optimized
by rotating the chain knockers closer to the
2500 rpm maximum. To do this, know your bat-
tery powered drill specifications and settings to
optimize operation. Many battery powered drills
have multiple speed settings, and typically the
highest speed is in the range for operation
of the FlexShaft equipment. Do not operate
the FlexShaft drain cleaning machine at over
2500 rpm.
Drill Speed Settings
Figure 8 – Example Drill Settings
Drill Adjustable Clutch Setting
Always use a battery powered drill equipped
with a properly set adjustable clutch. The drill
should be used only in the "screw driving
mode" (
) for the drill adjustable clutch to
work. When the drill adjustable clutch releases,
the motor continues to turn but the drill chuck
Torque Adjustment Collar
999-995-413.08_REV. D
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