Chapter 1
General Information and Safety
Focus 30/35 Service Manual 1 - 4 P/N 79000035_SM, Version 1.5
Basic Assumptions
1. General: This manual assumes the basic understanding of mechanical design, electronic
theory, general service procedures, and have attended a Trimble, Inc. service training course
regarding this product.
2. Electronic Test Equipment: This manual assumes the proper knowledge and understanding of
the use of basic electronic test equipment such as volt-ohmmeters, oscilloscopes, generators,
power supplies, etc.
3. Computers: This manual assumes the basic knowledge of using a computer with MS-DOS,
Microsoft Windows, or applicable operating system and corresponding software.
Possible Loss of Warranty
The manufacturer's warranty on Trimble instruments can be voided by improper service or repairs
performed by persons other than authorized technicians. Strict compliance with the instructions in
this manual is necessary to prevent loss of coverage under such warranties. See Warranty terms in the
appendices.
Service Information
Assembly drawings depict the relationship between all assemblies that are deemed "serviceable".
Serviceable is defined as those assemblies that are repairable at the service centre level. The
limitation to “serviceable” assemblies is the tooling involved as well as assembly times.
Removal and Replacement
Refer to the parts ordering section of this manual when replacing parts or making any adjustments.
Torque specifications, adhesives, and procedures specified on assembly drawings are essential for
continued successful operation of this product.
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General
