Gamma+ X-6 User manual
1
TABLE OF CONTENTS
PAGE 1................................................................................................WARRANTY
PAGE 2................................................................................................. FEATURES
PAGE 3.....................................................................ASSEMBLY INSTRUCTIONS
PAGE 5...........................................................................MOUNTING THE FRAME
PAGE 7.......................................................................... STRINGING THE FRAME
PAGE 10........................................................................ ADDITIONAL FEATURES
PAGE 11.................................................................................. PATHFINDER AWL
PAGE 12................................................... MAINTENANCE AND ADJUSTMENTS
PAGE 13..............................................................................................PARTS LIST
PAGE 14....................................................................................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 any electrical parts and string clamps), and for a period of one (1) year from the date of
purchase for any 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 12, Turntable Bushing Adjustment, as described on page 12 and the Rotational String Gripper.
GAMMA'sobligationunderthiswarrantyislimitedtorepairorreplacementofdefectiveEQUIPMENT,andnooneisauthorized
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
prepaidbythecustomer toGAMMA.Pleaseretaintheoriginalshipping cartonandpackingmaterialsforanyfuture shipments.
GAMMA will not be responsible for machines which are not sent in the original undamaged packaging.
OWNER'S MANUAL
GAMMA X-6
2
GAMMA X-6GAMMA X-6
GAMMA X-6GAMMA X-6
GAMMA X-6
MACHINE FEATURES
Drop Weight Tensioner w/ 8lb. to 90lb. range and Perma-
nently Engraved Weight Scale
Professional Six Point “Quick Mount” Racquet Mounting
System - Accomodates All Racquets Without Adapters
Parallel Jaw Rotating Ratchet Gripper w/ Diamond Dust
Coated Gripping Surfaces
Two Composite Floating Clamps w/ Thumb Screw Adjustment
High Strength Extruded Aluminum Frame with Durable
Anodized Finish and Convenient Padded Tool Tray
Unique Internal Drawer System for Storing Tools and Adap-
tors
Can be upgraded to X-6FC w/ Professional Dual Action Fixed
String Clamps
3
ASSEMBLY INSTRUCTIONS
Engaging the Drop Weight Bar Stop
The stringing machine is shipped with the
dropweightbarinthehorizontalposition. To
limit the rotation of the drop weight bar and
prevent racquet damage during stringing,
the bar stop must be engaged.
Hold the drop weight bar in the vertical
position as shown while turning the 5mm
stop screw located on the back side of the
winder stand clockwise.
Winder Support Stand Installation
Remove the M5 bolts from the 2 brackets
located in the rear slots of the machine base
usingthe5MMhexkey.Slidethebracketsto
the right end of the base and position the
winder stand over the brackets aligning the
holesinthebaseofthewinderstandwiththe
holes in the brackets. Attach the winder
supportstandusingtheM5bolts.Installall4
bolts loosely at first and then tighten all
securely.
Installing the Drop Weight
Remove the endcap from the tension bar
and slide the drop weight onto the bar. The
weight should be oriented with the knob end
closesttothestringwinder. Replacetheend
cap.
4
ASSEMBLY INSTRUCTIONS
Installing the Frame Support Posts
Place the support post onto the central slot
of the turntable. While holding the mounting
plate against the inside top surface of the
turntable with your fingers, align the hole in
the support post with the hole in the mount-
ing plate. Install the mounting bolt through
the support post and into the plate by hand
and tighten with the 6 mm hex wrench. Re-
install the turntable end caps.
Repeat procedure on the opposite side of
the turntable
Remove Mounting Bolts
While holding the mounting plate on the
inside of the turntable remove the support
post mounting bolts.
NOTE:TherearetwoNylonwashersthatare
are included for shipping purposes only.
Remove and discard the nylon washers.
Repeat procedure on the opposite side of
the turntable
Support Post Installation
To install the support posts you must first
remove the turntable end cap by grasping
the sides of the end cap and removing it, to
gain access to the inside of the turntable.
Repeat procedure on the opposite side of
the turntable.
Ifendcapsare tight, aflatbladescrewdriver
may be used to pry the end caps off.
Nylon
washers
5
MOUNTING THE FRAME
Tightening the Frame Supports
TightentheFrameSupportSlidesbyturning
the adjustment knob clockwise until snug
against the racquet frame and slight resis-
tance is felt.
Caution: Overtightening the Center Sup-
portswillstretchtheheadoftheracquetand
could cause racquet damage.
FrameShoulderSupportAdjustment
Being sure the shoulder supports are free to
swivel in their mountings, simultaneously
rotatetheshouldersupportadjustmentknobs
clockwise until both shoulder supports gen-
tly and squarely contact the frame.
Adjusting the Frame Support Posts
Loosen the lock bolts of the frame support
posts and space them apart with the frame
supportslidesseparatedbytheapproximate
length of the racquet head. Although it is not
required, it is good practice to center the
support posts on the turntable. Lock one of
the posts in position by tightening the lock
bolt and position the other post until the
frame support slide is positioned near the
inside surface of the racquet frame. Se-
curely tighten the lock bolt of the second
support post.
Caution: To avoid racquet damage, the center posts should not contact the racquet prior to
locking down the support posts.
6
Securing the Frame
Lock the shoulder supports in position by
turning the knob at the base clockwise.
Repeat the adjustment procedure for the
remaining support post.
Re-tighten all of the frame supports in the
same order as before.
Do not overtighten any of the supports as
racquet damage may occur.
The supports should be tightened to the
point where the racquet frame will not move
inthe mounting system when the handleis grasped and attempts are madeto move it. Should
any supports lose contact with the frame while stringing, they should be re-tightened.
MOUNTING THE FRAME
STRINGING THE FRAME
The drop weight is of a two piece design.
When assembled, it will accomodate ten-
sions from 20 lbs. to 90 lbs. For tensions
from8to20lbs.,removethe5mmboltonthe
face of the drop weight, and use the smaller
portion of the weight as described above.
Note: Tensions above 77lbs. require the
removal of the drop weight bar end cap.
Setting Tension
To set the stringing tension, loosen the lock-
ingknobonthesideof thedropweight.Slide
the weight in the appropriate direction until
the face closest to the string gripper is
indexedwiththedesiredtensionmarkonthe
tension bar.
Getting Started - Clamping the First Main
String
To begin stringing the main strings, thread
the two ends of the string through the two
center holes at the appropriate end of the
frame and continue through the opposite
center holes. Thread one end of the string
through the adjacent grommet hole and pull
the excess by hand. Using a floating clamp,
secure the center and the adjacent string to
each other on the inside of the frame.
7
8
Gripping the String
While holding the tension bar slightly above
horizontal, wrap the free string clockwise
around the gripper drum once and position
between the gripper jaw.
Gently turn the gripper clockwise while
squeezing the jaws together until all slack in
the string is removed.
Note:Note:
Note:Note:
Note: For proper operation, the string grip-
per jaw must be in the position shown. The
tension in the string provides the clamping
force to the jaws.
Pulling Tension
While securely holding the string gripper
drum with your hand, lift the tension bar
above horizontal and gently lower the bar
underitsownweight.Ifthetensionbardrops
below horizontal, repeat the above action
until the bar comes to rest parallel to the
racquet.
When the correct tension is attained, the
dropweightbarwillresthorizontallyasshown.
For accurate tensioning, it must be lowered
and come to rest at horizontal without assis-
tance.Manuallyforcingthetensionbartothe
horizontal position will greatly increase the
string tension and may result in racquet
damage.
If the tension bar comes to rest above hori-
zontal, release the string by lifting the bar
and re-pull the string.
WARNING: TO AVOID INJURY, KEEP FINGERS AWAY FROM
GRIPPER JAWS WHILE TENSIONING STRING.
STRINGING THE FRAME
9
STRINGING THE FRAME
Clamping the String
Clamp the tensioned string to the next adja-
cent string using the second string clamp.
Releasethestringfromthegripperbyraising
the tension arm.
Repeattheprocedureforalloftheremaining
main strings and tie off following the racquet
manufacturers recommendations.
Starting the Cross Strings
Follow the manufacturer's recommended
stringing pattern for one or two piece string-
ing. This will determine the starting point for
the cross strings. If applicable, tie the first
cross string using an appropriate starting
knot.
Completing the String Job
Weave the cross strings over and under the
main strings being careful to alternate the
weave of each consecutive cross string so
as to be opposite of the previously installed
cross string.
Once the final cross string is tensioned and
clamped,tieoffattheappropriateholespeci-
fied by the racquet manufacturer.
Remove the frame from the mounting system by loosening the shoulder supports and frame
supports.
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