MATWELD, INC. PHONE:(270) 444-0085 FAX:(270) 443-6180
Matweld reserves the right to change parts, features, or specifications without notice.
09/09
10
02500 IMPACT WRENCH
TORQUE / TENSION CALIBRATION PROCEDURE:
(USING MATWELD PART #01650 – TORQUE GAUGE)
1. INSTALL TEST GAUGE IN PRESSURE LINE AT TOOL AND CONNECT TO POWER SOURCE SUP-
PLY HOSES – 5 GPM.
2. REFER TO BOLT TIGHTENING CHART SPECIFICATION REQUIRED FOR THE GRADE AND SIZE
BOLT BEING USED.
(ALWAYS FOLLOW MANUFACTURER’S RECOMMENDATIONS.)
3. LOOSEN LOCK COLLAR ON TORQUE ADJUSTMENT KNOB.
4. IF TORQUE ADJUSTMENT KNOB IS TURNED ALL THE WAY IN, BACK ADJUSTMENT KNOB OUT
ONE AND A HALF TURNS
COUNTERCLOCKWISE
TO DECREASE INITIAL TORQUE.
5. BEGIN TIGHTENING BOLT, KEEPING A CLOSE WATCH ON THE TORQUE GAUGE. TURN THE
ADJUSTMENT KNOB IN
CLOCKWISE
INCREASING THE PRESSURE UNTIL THE DESIRED SET-
TING IS REACHED.
6. LOOSEN AND RETIGHTEN THE TEST BOLT A COUPLE OF TIMES TO VERIFY THE SETTING.
7. RETIGHTEN THE LOCK COLLAR.
8. TORQUE GAUGE MAY BE REMOVED ONCE DESIRED TORQUE IS SET.
