GAMMA 6004 STRINGING MACHINE 2 POINT SC MOUNTING (Issue 5C - February 2014) - Manual (Page 10)

10
STRINGING THE FRAME
Setting Tension
The spring tensioner utilizes a rotary adjust-
ing knob along with a linear tension scale
to indicate the tension setting. The scale is
divided into 3 lb. increments and each 1/3
turn of the tension knob changes tension
by 1 lb. To set the desired tension, rotate
the tension knob and align the mark on the
spring guide with the desired tension setting
on the scale. When the “0” mark on the knob
aligns with the line on the knob support the
tension will be that indicated on the scale.
To increase tension by 1 or 2 lbs turn the
knob counterclockwise until the “1” or “2” mark on the knob aligns with the line on the knob
support. To decrease tension by 1 or 2 lbs, turn the knob clockwise until the “2” or “1” mark
on the knob aligns with the line on the knob support.
String Clamp Operation
The string clamps are of a dual action
design where the string clamp and clamp
base operate independently of one an-
other.
To clamp a string, lift the clamp head and place
the string between the jaws and depress the
clamp head lever to secure the string. The
clamping pressure applied to the string should
be adjusted to provide suffi cient pressure
to secure the string when subjected to the
desired pulling tension. The diamond coated
gripper plates provide for increased friction
between the clamps and the string to allow for reduced clamping pressure while securing and
holding the string under tension.
Note that excessive pressure can damage both the strings and String Clamp.
Setting the Gripper Jaw Spacing
The gripper jaws of the tensioner are adjust-
able to accommodate varying string gauges.
If the string slips through the gripper jaws
while pulling tension, rotate the gripper jaw
adjustment screw counter-clockwise.
If the string is damaged while pulling tension,
rotate the gripper jaw adjustment screw
clockwise.
The jaws will be properly adjusted when
there is enough pressure to securely grip the
string without causing damage to the string.