Introduction; Levels Of Maintenance; How To Use This Manual - Minelab F1A4 Service Manual

1.

INTRODUCTION

This manual is intended to instruct service technicians in functional testing
and Levels 1 and 2 maintenance of the F1A4 mine detector. All sub-assemblies of
the F1A4 can be replaced without the need for adjustment or calibration. This
service manual includes all Level 1 and Level 2 maintenance procedures, including
functional testing and troubleshooting.
1.1

LEVELS OF MAINTENANCE

Levels of maintenance for the F1A4 comprise:
Level 1:
Level 1 maintenance includes repair and/or replacement of all major
components of the detector. This level of maintenance can be conducted at
demining field sites or local depots if required. Level 1 maintenance includes full
functional testing of the detector and does not require any special test equipment or
facilities.
Level 2:
Level 2 maintenance encompasses Level 1 maintenance plus coil re-
termination and basic repairs to the F1A4 control box and earset. This level of
maintenance requires electronic workshop facilities.
Level 3:
Level 3 maintenance encompasses Level 1 and Level 2 maintenance,
plus control box printed circuit board repair. Level 3 repairs are only conducted at
Minelab's repair workshops located in Australia, Ireland and the USA.
1.2

HOW TO USE THIS MANUAL

This manual is divided into Level 1 and Level 2 maintenance sections. If
doubt exists as to the serviceability or mechanical integrity of the F1A4, turn to
Section 2 for a comprehensive mechanical and functional test of the F1A4. If any
mechanical component (eg handgrip, coil) of the F1A4 requires replacement, turn to
Level 1 maintenance procedures in Section 3, which details all mechanical repairs.
All repairs to the F1A4 Control Box, and Coil retermination procedures, are in the
Level 2 Maintenance Procedures, beginning at Section 4.
F1A4 Field Service Manual – Level 1 and Level 2 Maintenance
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