GAMMA PROGRESSION Els User Manual
Els
STRINGING MACHINE
OWNER'S MANUAL
Issue 1 - March 2009
Els
OWNER'S MANUAL
TABLE OF CONTENTS
PAGE 1................................................................................................WARRANTY
PAGE 2................................................................................................. FEATURES
PAGE 3.....................................................................ASSEMBLY INSTRUCTIONS
PAGE 4.................................................... POWER CONNECTION & CONTROLS
PAGE 6...........................................................................MOUNTING THE FRAME
PAGE 8.......................................................................... STRINGING THE FRAME
PAGE 11........................................................................ ADDITIONAL FEATURES
PAGE 12.................................................................................. PATHFINDER AWL
PAGE 13.........................................................MAINTENANCE & ADJUSTMENTS
PAGE 14.......................................................................................... CALIBRATION
PAGE 15.....................................................................TROUBLESHOOTING TIPS
PAGE 16............................................................................................. PARTS LIST
PAGE 17.................................................................................... PARTS DRAWING
LIMITED WARRANTY
GAMMA Sports (GAMMA) warrants to the original purchaser that the X-STRINGER stringing machine ("EQUIPMENT")
purchased is free from defects in materials and workmanship for a period of five (5) years from the date of original purchase
for mechanical parts (excluding electrical parts and string clamps), and for a period of one (1) year from the date of purchase
for all electrical parts and string clamps. Should any defects develop under normal use within the specified time periods,
GAMMA will at its option, repair or replace the defective EQUIPMENT provided it is returned to GAMMA prepaid at the
purchaser's expense. This warranty does not apply to any damage or defect caused by negligence, abuse, misuse,
unauthorized alteration, shipping, handling, or part wear and tear as a result of normal use.
Routine maintenance, adjustment, and cleaning required to ensure proper operation are the responsibility of the purchaser
and are not covered under the terms of this warranty. These include, but are not limited to: String Clamp adjustment, as
described on page 11, Quick Action Clamp Base adjustment, as described on page 11, and the cleaning procedures listed
on page 13.
GAMMA's obligation under this warranty is limited to repair or replacement of defective EQUIPMENT, and no one is authorized
to promise any other liability. GAMMA shall in no event be liable for any incidental or consequential damages.
To return defective EQUIPMENT, a return authorization (RA#) must be obtained from a GAMMA customer service
representative. The RA# must be marked on the outside of the shipping carton being returned. All returns must be shipped
prepaid by the customer to GAMMA. Please retain the original shipping carton and packing materials for any future shipments.
GAMMA will not be responsible for machines which are not sent in the original undamaged packaging.
An Extended Warranty is available through a GAMMA customer service representative, call 800.333.0337 for details.
1
FEATURES
MACHINE FEA TURES
Electric Constant Pull Tensioner w/ 11 lbs. to 89 lbs. Tension
Range
Digital Tension Setting Display
Professional Six Point “Quick Mount” Racquet Mounting
System- Accomodates All Racquets Without Adapters
Parallel Jaw Rotating Gripper w/ Diamond Dust Coated
Gripping Surfaces
Professional Dual Action, Rotating, Diamond Dust Coated,
Fixed String Clamps
High Strength Extruded Aluminum Frame with Durable
Anodized Finish and Convenient Padded Tool Tray
Unique Internal Drawer System for Storing Tools and Adap-
tors.
Conveniet Foot Actuated Tensioner Switch (Optional)
2
ASSEMBLY INSTRUCTIONS
Transportation Screw
The machine has been shipped with a motor
and load cell protection screw. Remove the
screw before using the machine. Retain the
screw for future shipment. Install the inluded
rubber grommet into the hole.
Remove this Screw
String Clamp Installation
The post of the string clamp and tube of the
string clamp base are treated with grease to
provide protection against corrosion during
shipping. Remove any excessive grease
with a clean cloth prior to use. The post and
tube may also be cleaned with isopropyl
alcohol. After this type of thorough cleaning,
the post and tube should be treated with a
light coating of machine oil to protect the
surfaces against corrosion and to ensure
smooth operation.
3
POWER CONNECTION & CONTROLS
A
B
C
Front Panel Features
A - String Gripper
B - Tension Switch
C - L.E.D. Tension Display
Back Panel Features
A
D
CB
A - Lighted Power Switch
B - Foot Pedal Switch Receptacle
C - A/C Power Cord Socket
D - String Length Meter (currently not
available)
Instructions for Power Connection and Controls
CAUTION ! Before connecting to the power supply, check the voltage source that the
machine is being connected to. The acceptable range of input voltages for this
machine is between 100 V and 240 V @ 50 to 60 Hz. If you have any questions
regarding the input voltage supply for your area, please ask your electric utility
company.
To install the power cord, insert the female end of the power cord into the AC Adapter and
then insert the female end of the cord from the AC Adapter into the A/C Power Cord
Socket “C” located on the back panel of the tensioner. Plug the male end of the power
cord into a grounded power outlet. When using extension cords, use grounded heavy duty
extension cords rated for 15 AMP service.
To connect the foot pedal switch, insert the male pin at the end of the foot pedal switch
cord into the Foot Pedal Switch Receptacle “B” located on the back panel of the tensioner.
Switch on the machine by pressing the Lighted On-Off Power Switch on the back panel. At
start-up, the LED will display a countdown from “9.0” to “0.0” while the machine performs a
self diagnostics check at start-up.
W ARNING! FOR INDOOR USE ONL Y. TO BE USED BY
ADULTS OR UNDER ADULT SUPERVISION ONLY.
NEVER OPEN UNIT WITH POWER CONNECTED
4
CONTROL PANEL FUNCTIONS
AND FEATURES
Tension Index Buttons - Changes
tension setting in +/- 1.0 or +/- 0.1 Lb or
Kg increments. Holding the button down
will scroll the tension setting values up
or down. Tension settings entered with
the tension index buttons are placed
into temporary memory setting “0”.
Clear Button - Clears display to enter a
new tension or to reset String Length
Meter measurement
Test Button & Racquet Strung - Press
once for approximate number of
racquets strung. Press again to return.
Press and hold for 5 seconds and the
machine does an internal diagnostic
check, such as the one performed at
start-up.
Lbs/Kgs Button - Changes tension
display from Lbs to Kgs. Each press of
the button toggles back and forth
between Lbs and Kgs.
Pre-Stretch Function - Pulls string
10% or 20% over the tension setting (up
to 90 lbs / 40.8 kgs), releases the string,
and repulls to the tension setting. Each
press of the button toggles between
10%, 20% or no pre-stretch.
Single Digit (1-9)
Memory LED Display
Memory Button - Indexes from 9 preset
tension settings that can be stored in
memory. Settings are retained even if
machine is turned off. Each press of the
button indexes to the next memory setting.
Memory settings 1-9 must be entered using
the keypad followed by pressing the “ENT”
button.
Enter Button - Saves displayed tension for
Memory setting - when tension is entered
using the keypad display flashes until this
button is pressed to save the setting. Also
Clears display for String Length Meter
measurements
Knot Function - Increases pulling tension
by 10% over the setting value (max 90 lbs /
40.8 kgs) for one pull. During the pull the
LED stays lit to indicate the Knot function is
enabled.
Speed Button - Changes pulling speed
of winder from Fast (default) to Medium
to Slow. Slow speed is recommended
for low stretch strings, such as Kevlar.
Each press of the button toggles
between Fast, Medium and Slow
speeds.
String Length Meter Button - feature is
currently not available.
Three Digit (XX.X)
Tension Setting
Display or String
Length LED Display
5
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