Gamma 8800 Els Owner's Manual - page 19
18
Gripper Plate Spacing Adjustment
The parallel plates of the string gripper are adjust-
able to accomodate varying string gauges and
types of string. If the string slips through the
gripper plates while pulling tension, rotate the
gripper adjustment screw counter-clockwise. If
the string is damaged while pulling tension, rotate
the gripper adjustment screw clockwise. The
gripper is properly adjusted when there is enough
pressure to securely hold the string without
causing damage to the string. If you move the
gripper to the right hand end of the track it is easier
to access the screw.
Tension Calibration Procedure
Each stringing machine has been
checked and calibrated at the factory
using accurate load sensing devices
to ensure that the machine pulls at the
correct tension. However, if you sus-
pect that your machine may not be
pulling at the correct tension you can
check the pulling tension with a cali-
brator and make adjustments if needed.
Most tension calibrators (such as a Gamma Tension Calibrator) function by clamping off the
string attached to one the end of the calibrator and applying tension to the string located
on the opposite end of the calibrator. The tension measured by the calibrator will then display
the tension being applied to the calibrator by the machine. If the calibrator and tensioner
do not match then you can adjust the tensioner as follows:
(1) Turn the machine off and restart the machine while holding down the Testbuttonuntil
count down is complete. 22 lbs should appear on the display. (2) Apply tension to the
calibrator. (3) If the tension reading on the calibrator does not match the tension displayed
on the machine, use the tension indexing buttons to match the display to the calibrator reading
and press the Enter/Clear button (4) Release the tension applied to the calibrator and 44 lbs
should appear on the display. (5) Repeat steps #2-#4 for 44, 66 & 88lbs. (6) After completing
the adjustment at 88lbs the display will show 00 lbs. (7) Restart the machine without holding
any buttons and the calibration adjustment will be complete.
MAINTENANCE & ADJUSTMENTS
Switch Action Clamp Base Adjustment
If the clamp bases slip on the turntable, the
base locking levers may need adjusted. Turn
the cap screw located on the end of the clamp
base clockwise to tighten the clamp and coun-
terclockwise to loosen it. If frequent adjust-
ment is needed, try loosening the locking lever
adjustment screw and tighten the two screws
located on the underside of the clamp base.
Re-tighten the locking lever adjustment screw
and adjust as needed.
Adjustment Screw