rev. 08.15.2006.
4-39
Turn off the power with the power button before performing any cleaning or maintenance functions. ST recommends
unplugging the machine before any cleaning or maintenance functions.
Be sure to follow all safety precautions in the Safety Instructions.
Failure to comply with the aforementioned Warnings may cause personal injury.
CAUTION
As a Minimum Maintenance Program, follow the procedures scheduled below regularly.
Failure to comply with these minimum maintenance
functions may cause machine damage.
TABLE 4-2, Maintenance Schedule.
INTERVAL MAINTENANCE FUNCTION
Weekly: ......................................a. Check overall machine for any leaks and required cleaning.
b. Apply light machine oil to shafts of Air Cylinder shafts.
c. Check all pneumatic hose connections for any leaks.
d. Check all Air Cylinders for full stroke.
e. Completely clean all machine parts and inspect operational
functions, cycles, and adjustments.
NOTE:
Keep an adequate supply of SURE TORQUE spare parts on hand.
Contact SURE TORQUE for a recommended low-cost “Spares” package for your particular machine.
4.3. Pneumatic Maintenance
The Pneumatic System actuates all the mechanical systems and components, and their relative test functions. A
clean, steady supply of compressed air is essential for proper Sure Torque operation. As well, the proper adjustment of
these pneumatic components is also essential to accurate torque testing data.
• Regulator:
Overall ST-LAB System pressure is controlled by a master regulator located on the unit, assuring that no more
than 80 psi. of air enters the Sure Torque unit.
• Mini Regulators, (Cylinder Regulators):
Proper air pressure settings for the Clamp, Container Platform, Chuck, and Test Cylinders, are individually
adjustable. These Cylinder Regulators are factory set for optimum performance. Cylinder Regulator adjustment should
be limited to one (1) turn, in either direction, for fine adjustments of the various cylinder actuated functions.
NOTE:
Clockwise turning of Cylinder Regulator raises actuation pressure.
Counter-clockwise turning of Cylinder Regulator lowers actuation pressure.
4.3.1. Air Leaks
It is important to keep the Pneumatic System Airtight, and to correct small leaks, should they occur, before they
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