Personal Selection TÜV: Service & Maintenance Manual - rev. 1.0
Page 10.1
10. FUNCTIONAL TESTS
Every time maintenance and/or repairs are performed on a machine, it is necessary to carry out a
series of mechanical tests to ensure:
• that the medical device is working properly;
• that the medical device is working safely;
• that the exercises are performed according to the biomedical specifications for which the
medical device was designed.
10.1. WEIGHT STACK CABLE ASSEMBLY TEST
Make sure the weight stack cable is properly assembled, ensuring that:
• all grub screws of the cable clamp pins have been firmly tightened, selecting the maximum load
and performing one or two repetitions;
• all pulleys on which the cable slides have been fastened correctly, by selecting the weight stack
plate n°10 with the doubling lever in position 2 and performing about ten repetitions, making
sure that the various pulleys do not make any unusual noises;
• the cable is properly mounted, passing it through all of the pulleys in the correct order, by
selecting the weight stack plate n°10 with the doubling lever in position 2 and performing about
ten repetitions, making sure it moves smoothly and silently.
• That the tension and length of the cable have been properly adjusted according to the
procedures illustrated in chapter 8 of this manual.
10.2. HOUSING ASSEMBLY TEST
Make sure the machine housing is properly assembled, checking that all guards have been mounted
correctly, as described in the procedures in chapter 7 of this manual, so that no part of the machine
remains unprotected and a possible cause of user accident and injury.
10.3. MECHANICAL RESISTANCE DEVICE ASSEMBLY TEST
Make sure the mechanical resistance devices are properly assembled, such as:
• Weight stack: make sure that all plates in the weight stack may be selected using the pin, and
perform around ten repetitions by selecting the weight stack plate n°10 with the doubling lever
in position 2;
• Rubber bands: make sure that the rubber bands may be included and excluded without
problems, using the 4 knobs on the front of the machine.
Incorrect assembly or adjustment of the various devices could lead to user accidents and injury, or
cause non-compliance with the biomedical specifications of the machine when used.
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