712MT OPERATOR’S MANUAL 11/19/12 Page 1 of 16
THE
MODEL 712MT
HYDRAULIC MICRO TRENCHER
OPERATOR’S MANUAL
TRENCHER INTENDED USE
This machine is designed for digging trenches in “normal” ground of reasonably soft dirt and stones up to 3” (7.62cm)
in diameter. Ground with larger stones, high clay content, very hard packed, very dry, or in a frozen condition may be
unsuitable for normal trenching. Consider using a backhoe or other heavier equipment for such conditions.
TABLE OF CONTENTS
LUBRICATION REQUIREMENTS 2
SAFETY MESSAGES 3
SAFETY INSTRUCTIONS OVERVIEW 3
TRENCHER OPERATING INSTRUCTIONS 6
CONTROLS 6
ENGINE CONTROLS 7
ENGINES 8
ENGINE START UP PROCEDURE 8
GETTING STARTED 9
TRENCHING PROCEDURE 9
TRENCHING TIPS 9
SHUT DOWN PROCEDURE 10
GROUND TRANSPORT OF THE TRENCHER 10
ROAD TRANSPORT OF THE TRENCHER 11
OPERATOR PREPARATION 11
DETERMINE LOCATION OF UNDERGROUND UTILITIES 13
CONTACT WITH UNDERGROUND UTILITIES 14
WORK SITE ASSESSMENT 15
INDEX 16
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