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K9-306 FlexShaft
TM
Drain Cleaning Machine
999-995-214.10_REV. D
18
7. Confirm end of sheath is between the
lines in the viewport. Securely tighten the
sheath clamp screws.
8. Feed the cable into the drum channel.
9. Feed the end of the cable through the
cable bushing in the front cover and se-
curely install the front cover.
10. With no knocker installed, hold cable
end away from your body or others. Run
machine in REVERSE for 5 seconds to
maximize exposed cable. Place switch in
O-OFF position and unplug machine.
If there is no cable exposed, cut back
sheath to expose 1"- 2" (25 - 50 mm) of
cable. Hold sheath and pull on cable to
remove slack and expose the maximum
amount of cable. Cut the sheath back to
expose 7 3/4" (197 mm) of cable mea-
sured from the end of the cable.
Go to Installing/Adjusting the Chain
Knocker section, step 5 to complete
chain knocker installation.
Motor Brush
Inspection/Change
Brushes should be inspected every 6 months
and changed when shorter than ½" (13 mm).
1. See Cable Assembly Replacement, step
2 to remove cover.
2. Use a screwdriver to remove the brush
cover, Figure 21. Remove brush and in-
spect. If there are any signs of damage or
shorter than ½" (13 mm), replace brush-
es.
3. Reverse process to reassemble.
4. Place chain knocker in drain and allow
to run 15 minutes in FORWARD and
REVERSE, to break in brushes.
Figure 21 – Inspecting/Changing Motor
Brushes
Electronic Torque Limiter/
Motor Thermal Overload
The machine is equipped with an Electronic
Torque Limiter/Motor Thermal Overload. If
the motor draws excessive current, the motor
will shut off to reduce the likelihood of cable
damage and the Electronic Torque Limiter
LED will flash. Release the foot switch to
allow the motor to restart. See the Operating
Instructions section for information for remov-
ing the cable from a blockage.
If the Electronic Torque Limiter LED is on con-
tinuously, the motor has overheated. To reset
the thermal overload, unplug machine, turn
the REV/O-OFF/FOR switch to the O-OFF
position and let the machine cool for at least
15 minutes. If the machine will not start or
continuously trips during normal operation,
take machine for service.
Brush
Covers
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