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CHAPTER 3 CHECKOUT, CALIBRATION AND MAINTENANCE
Effective
09/2005
TROUBLESHOOT USING CORRECT DIAGNOSTICS PROCEDURES!
Balancers are relatively simple pieces of machinery. With proper diagnostic procedures, balancer problems
should be quickly resolved. The Basics that the technician must
never
overlook are:
1.
AC Power. The unit must be supplied with correct AC power.
2.
Ground. These machines depend on proper Grounding for proper and safe function. Improper or poor
ground will create problems that are quite difficult to diagnose,
and may create a dangerous condition
.
Check, never
assume
ground is correct!
3.
DC Power. The microprocessor will not run correctly (if at all) if it is not supplied with proper DC power and
ground. Check DC power for ripple or drift ( may indicate faulty regulation or failing PCB's). Ensure there is
enough
power and a good ground.
4.
Inputs. Check for proper Encoder and Transducer signals.
5.
Output - Once all voltages and signal levels are present a proper output can be expected.
TOOLS REQUIRED WHEN SERVICING THE HANDSPIN BALANCER
Tools
Metric Sockets (4mm Thru 15mm)
Metric Wrenches (6mm Thru 15mm)
Assorted Hex Wrenches metric / standard
Inch Pound Torque Wrench
Foot Pound Torque Wrench
#2 Phillips Screwdriver
#2 Flat Head Screwdriver
Digital Volt-ohm Meter
Small Screwdriver
Hilti Rotor hammer drill (Installation Option)
Pruefrotor (H6416946)
Program EPROM
OTHER SUPPLIES
Loctite #242 and #272 or #609
Silicone based grease - Used for transducer
ball placement
Putty for fine wheel balancing.
1, 2 and 3 ounce weights verified accurate (weigh on postal scales and trim to exact weight - paint and label)
A test tire and wheel balanced to within 0.10 oz (2.8 gr.) on both inside and outside planes or 0.20 oz. stati-
cally (mode 7) is required during some troubleshooting procedures.
In the event of vibratory system replacement, the use of a certifed Pruefrotor (Figure 3-1) will be required to
confirm conformance to design specifications and certification requirements.
Mounting the Pruefrotor
Figure 3-1 Pruefrotor
