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K9-102+ & K9-204+ FlexShaft™ Drain Cleaning Machines
944-733-751.10_REV. B
11
5. If needed, cut a section of sheath to use
as the collar spacer to the appropriate
size (See Collar Distance Chart).
C
ollar distance can be modified to your
preference for the specific pipe/applica-
tion. As collar distance increases, the di-
ameter of the chains decreases, and vice
versa. Improperly set collar distance can
reduce the efficiency of pipe cleaning.
6
. Test fit the chain knocker, knocker bushing
and collar spacer on the cable as shown
in Figure 10. Chains should be straight –
do not assemble with chains twisted. To
prevent excessive cable end wear, cable
end should be flush with the end of the
collar.
Chec
k length of exposed cable. To reduce
the risk of cable flip over and damage,
exposed cable cannot exceed ¼" (6 mm).
If needed, cut a knocker bushing from
sheath to limit exposed cable. Always
use a knocker bushing to reduce wear
on the sheath end.
7
. With the chain knocker correctly installed
on the cable as shown in Figure 10, use
the supplied hex wrench to securely
tighten the collar set screws. Place set
screw tip against cable, then tighten an ad-
ditional
1
/
8
to
1
/
4
turn (45° to 90° degrees).
If the set screws are not secure, the chain
knocker could slip and damage the cable
or be lost down the drain.
Operation Instructions
WARNING
Always use safety glasses and gloves in good
condition while handling or using. Use latex or
rubber gloves, face shields, protective clothing,
respirators or other appropriate protective equip-
ment when chemicals, bacteria or other toxic or
infectious substances are suspected to be present
to reduce the risk of infections, burns or other
serious personal injury.
Do not use with a corded drill. Operating with a
corded drill increases the risk of electrical shock.
Do not allow the chain knocker/end of cable
to stop turning while drill switch is depressed.
This can overstress the cable and may cause
twisting, kinking or breaking of the cable assembly
and may result in serious personal injury.
Practice good hygiene. Do not eat or smoke
while handling or operating the tool. After han-
dling or operating drain cleaning equipment,
Machine
Cable Number Number of Nominal Recommended Collar
Size of Chains Links/Chain Pipe Size Distance
K9-102+
1
/4"
1 7
1
1
/4" to 1
1
/2" (32 mm to 40 mm)
1
3
/4" (44.5 mm)
2 7 1
1
/2" to 2" (40 mm to 50 mm)
K9-204+
5
/16"
2
9 2" (50 mm) 2
1
/2" (63.5 mm)
3 13 3" (75 mm) 4" (101.6 mm)
3 15 4" (100 mm) 4
1
/2" (114.3 mm)
Collar Distance Chart
Knocker
Figure 10 – Chain Knocker Installation/Adjustment
Sheath End
Collar Spacer
Cable
Set Scew
(3 mm HEX)
Sheath
Collar Distance
Knocker Collar
Knocker Chain
Cable End
Flush To
Collar
Carbide Cutting Tip
(If Equipped)
Knocker Bushing
Knocker Collar
Set Scew
(3 mm HEX)
Exposed Cable
.25" (6.35 mm)
Maximum
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