712MT OWNER’S MANUAL REVISED 3/4/22 Page 8 of 15
ROUTINE MAINTENANCE
Routinely check the condition of the trencher. Clean, tighten, repair and replace the following as
needed:
• Dig chain boom guard
• Muffler guard
• Hydraulic hoses and fittings
• Fuel lines
• Fasteners
• Safety decals
Clean safety decals often using soap and water. DO NOT use abrasive cleaners or solvents such as
mineral spirits as they may damage the decals. Replace any damaged (unreadable) or missing decals.
If you replace a machine part with one or more decals affixed to it, replace the decals as well.
Replacement parts and decals can be purchased from Barreto Manufacturing, Inc. When attaching
decals, the temperature of the mounting surface must be at least 40°F (5°C) and must be clean and
dry.
Service the engine according to the engine owner’s manual. Follow the directions for all aspects of
service including air filter change, oil level checking, filling, draining, disposal of engine oil, disposal
of petrol/gasoline and off-season long-term storage.
Off-season long-term storage of the trencher can be at any ambient temperature.
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