DARTON Tundra Extreme Instructions Download Page 2

1B = 29”

2C = 29 3/8”

3D = 29 3/4”

4E = 30 1/8”

1A = 28 7/8”

2B = 29 1/4”

3C = 29 5/8”

4D = 30”

5E = 30 3/8”

1B = 30 1/2”

2C = 30 7/8”

3D = 31 1/4”

4E = 31 5/8”

1A = 30 3/8”

2B = 30 3/4”

3C = 31 1/8”

4D = 31 1/2”

5E = 31 7/8”

figure #3). Increase the draw length by
increasing the gap between the module and
the Cam Base by aligning the appropriate
hole with a higher number adjustment hole
as pictured in figure #3.  Decrease the draw
length by decreasing the gap between the
module and the Cam Base by aligning the
appropriate module hole with a lower num-
ber adjustment hole. Insert the adjustment

screw into the desired draw length hole and
tighten completely.  Retighten the button-
head screw on the opposite side of the
Power Cam.

2. An additional draw length adjust-

ment is available by changing the bow
string's effective length utilizing one of the
five (5) anchor positions on the Control
Wheel (fig. 2).  Each change in the bow
string anchor position changes the draw 
length 1/8".  To adjust the draw length on
the Darton C/P/S Extreme bows you should 
consider adjusting both the Power Cam
module (position 1-5) and the Control 
Wheel bowstring anchor (position A-E).  

The chart in figure #4 shows the positions 
that will give the best stored energy at a 
particular draw length.

3. Adjusting the draw length by chang-

ing modules is just as easy.  Remove the
button-head screw found in the slot near the
draw stop portion of the module.  This
screw is visible by looking at the far left
side of the Power Cam pictured in figure
#1.  Remove the adjustment screw from the
opposite side of the cam (see figure #3).
Remove the control cable.  Slide the old
module out and the new one in.  Line up the
appropriate module hole with the desired
adjustment hole and reinsert the adjustment
screw.  Then from the opposite side of the
cam, reinsert the button-head screw, tight-
en.  Reinstall the control cable.  Double-
check that all screws are tight and all
strings and cables are securely seated
before removing the bow from the press.

C/P/S Extreme bows are shipped in the

3C position. Once you've verified the
Power Cam and Control Wheel tune posi-
tions, you may adjust your draw length
without any further need for adjustment.
The alignment of the control cable and
power cable alignment with the tuning
marks will change with any subsequent
bow string adjustment but will retain the
correct tune.

The Control Cable will require adjust-

ment whenever modules are changed.
When making necessary adjustments do not 

use a bow press that anchors the bow
at the grip. It is important to check that
the strings and cables (especially the
cables near their anchor positions) are
positioned correctly in their grooves
before reapplying tension to the bow
and removing it from the press.

Routinely tighten the screws on the

Power Cam.  Regularly checking all
the moving parts for your bow is rec-
ommended.  Tightening the screws on
the Power Cam is particularly impor-
tant.  Any loosening of these screws
may cause damage to the bow and/or
the shooters.

Included in the service package are

draw stop cushions 

with pressure

sensitive adhesive on the back surface.
These are to be used on the draw stop
(fig.1) if there is any objectionable
noise associated with the power cable
making contact with the draw stop
when full draw is reached.

Any adjustable cable guard should

be set to create minimum cable angles.
It  will then provide the best limb/cam
balance.

Your C/P/S Extreme bow includes

efficiency-enhancing nock sets on the
bowstring near the Power Cam and the
Control Wheel.  These nock sets
increase the speed of your arrows
while reducing the wear and tear on
your bow when shooting light arrows.

BOW STRING

ANCHOR POST

#1 - #5 MODULE ADJUSTMENT SCREW LOCATIONS

                                

FIGURE #3

Tundra, 65% C/P/Sb

27 3/8 - 31 7/8”  Draw Length Adj. Range

#2 Module

#3Module

#1 Module

Optimum Tune

Optimum Tune

Optimum Tune

1B = 27 1/2”

2C = 27 7/8”

3D = 28 1/4”

4E = 28 5/8”

1A = 27 3/8”

2B = 27 3/4”

3C = 28 1/8”

4D = 28 1/2”

5E = 28 7/8”

1B = 29 1/2”

2C = 29 7/8”

3D = 30 1/4”

4E = 30 5/8”

1A = 283/8”

2B = 29 3/4”

3C = 30 1/8”

4D = 30 1/2”

5E = 30 7/8”

1B = 31”

2C = 31 3/8”

3D = 31 3/4”

4E = 32 1/8”

1A = 30 7/8”

2B =31 1/4”

3C = 31 5/8”

4D = 32”

5E = 32 3/8”

Tundra, 75% C/P/Sb

27 3/8 - 32 3/8”  Draw Length Adj.  Range

#2 Module

#3 Module

#1 Module

Optimum Tune

Optimum Tune

Optimum Tune

1B = 28”

2C = 28 3/8”

3D = 28 3/4”

4E = 29 1/8”

1A = 27 7/8”

2B = 28 1/4”

3C = 28 5/8”

4D = 29”

5E = 29 3/8”

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