Passenger Tire Changers Service Manual 07-13 Rev.B
5
CHAPTER 1
INTRODUCTION
1.1 GENERAL
This Service Manual describes maintenance, check and repair operations of the passenger tire changer under
Hofmann, John Bean and Boxer brands and is for use of qualified and trained personnel only.
Keep this manual constantly updated, by adding Service Bulletins related to the tire changers.
IMPORTANT!
The identification data of each machine are printed on a adhesive label attached to the cabinet of the machines.
The serial number is a sequence of figures standing for the manufacturing month and year the first four numbers,
followed by the machine part number and finally the progressive serial number of the machine manufactured with
this specific part number.
In the sections dedicated to the check, replacement and adjustment of the components there will be reported some
symbols as follows:
:
Total amount of working time required to check, replace and adjust the components
: this time is
calculated considering the standard installation condition provided by the operator manual.
:
List of tools required to perform the work
.
:
Information related to the possible failure/malfunction caused by the component
CHAPTER 2
TOOLS AND SAFETY
2.1 TOOLS AND SPECIAL TOOLS
To repair and/or check these tire changer, the following standard tools are required:
Keys
:
6mm to 30mm
Tube type keys
:
7mm to 17mm
Allen keys
:
2.5 mm to 12 mm
Socket keys
:
10mm to 27mm
Allen socket keys
:
4mm to 12mm
Screw drivers
:
Flat bed and Phillips from 1 to 5
Multimeter
:
AC, DC, A, Ohm, pF
Lotctite and mechanical extractor
Special tools that are required for specific tasks are:
20mm Ring nut socket keys:
Use these keys to tight or loose the knees ring nuts.
