Hofmann geodyna 7600, Service Manual

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CHAPTER 1
INTRODUCTION
1.1 GENERAL
This Service Manual describes maintenance, checks and repairs operations of the wheel balancer and is for use of
qualifi ed personnel only.
Keep this manual constantly updated, by adding Service Bulletins related to the balancers.
IMPORTANT!
The identifi cation datas of each machine are printed on an adhesive label attached to the rear or the left side of the
machines. The serial number is a sequence of fi gures standing for the manufacturing month and year the fi rst four
numbers, followed by the machine part number made of 7 numbers or alphanumeric and fi nally the progressive serial
number of the machine manufactured with this specifi c part number.
1.2 TOOLS REQUIRED
To repair and/or check these balancers, the following standard tools are required:
Wrenches : 6 mm to 19 mm
Allen keys : 2.5 mm to 8 mm
: 6 mm, with a length (or adapter) of at least 140 mm (ratchet advised)
Screw drivers
: Flat bed, 1 to 3
: Phillips, 1 to 3
: Magnetized Phillips 300mm long.
Multimeter : AC, DC, A, Ohm, pF
User Calibration Weight (supplied with the unit)
Special tools that are required for specifi c tasks are:
T est Rotor : # EAA0277D12A
Use this test rotor to perform a Factory Calibration, Service
Code C115, C88. This is required after:
Ø The replacement of a complete Vibratory System.
Ø Replacement of the transducers.
Ø Replacement of the IBP box.
Ø A complete loss of the confi guration data.
Ø Control of the balancers calibration.
Calibration ring: # 0025424
Use this ring on P variant machine only to perform the compensation of imbalance
main shaft, Service Code C84.
This is required after:
Ø The replacement of a complete Vibratory system.
Ø A complete loss of the confi guration data.
Ø The replacement or reparation of the power clamp device.
Ø After power clamp fl ange replacement.
Ø Replacement of the transducers.
SM HOF GEODYNA 7600 Rel.D