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Barreto 912RM Operator's Manual

Hydraulic trencher
Source: barretomfg.com
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MODEL 912RM/912HM
HYDRAULIC TRENCHER OPERATOR'S MANUAL
This machine is designed for digging trenches in "normal" ground of reasonably soft dirt and stones up to 6"
(15cm) 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.
912 Operator's Manual
THE
TRENCHER INTENDED USE

TABLE OF CONTENTS

12/4/14
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Summary of Contents for Barreto 912RM

  • Page 1: Table Of Contents

    MODEL 912RM/912HM HYDRAULIC 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 6” (15cm) 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.

  • Page 2: Lubrication Requirements

    DAILY LUBRICATION REQUIREMENTS Be sure to grease all lubrication points as outlined below. • The grease zerk on chain shaft housing should be greased after every 4 to 8 hours of use. • The grease zerk in the front wheel should be greased after every 8 hours of use. •...

  • Page 3: Safety Messages

    SAFETY MESSAGES General safety messages are listed in this Safety Messages section. Specific safety messages appear as appropriate in this manual where a potential hazard may occur if procedures or instructions are not followed correctly and completely. SAFETY SYMBOL This is the international safety alert symbol. This symbol is used in combination with a signal word and written message to warn you of a potential for bodily injury or death.

  • Page 4: Safety Instructions Overview

    SAFETY INSTRUCTIONS OVERVIEW READ SAFETY AND OPERATING INSTRUCTIONS BEFORE OPERATING! USE COMMON SENSE AND PLENTY OF IT! The CLUTCH LEVER on the left handlebar is for the operator’s protection. All motion stops when the lever is released. DO NOT TAPE THE CLUTCH LEVER UP or otherwise by-pass this safety feature! Call before you dig.
  • Page 5 SAFETY INSTRUCTIONS OVERVIEW (continued) Avoid inclines if at all possible. WARNING: Navigating on any incline increases the danger of the trencher losing traction or rolling over, especially if the surface is wet. If you lose control get out of the way immediately to avoid personal injury.

  • Page 6: Operating Instructions

    The trencher is very heavy. DO NOT attempt to manually lift it. We recommend having a fire extinguisher suitable for petrol fires in the operating area. Attachments can change the center of mass and machine operations. Use only Barreto attachments.

  • Page 7: Trenching Tips

    Reduce the engine speed if the hydraulic pump whines. Pump noise may indicate a lack of hydraulic fluid flow that could damage the pump. For frequent starts below 18°F consult your Barreto Manufacturing dealer. TRENCHING PROCEDURE: 1. Put the Wheel Drive Direction Control in neutral 2.

  • Page 8: Operator Preparation

    OPERATOR PREPARATION Each operator must: • Become familiar with the controls and operation of the trencher, preferably under the supervision of an experienced operator. • Be at least 18 yrs. of age and be mentally and physically capable of operating the trencher safely.

  • Page 9: Ground Transport Of The Trencher

    GROUND TRANSPORT OF THE TRENCHER Raise the digging chain boom. WARNING: Contact with the dig chain or auger while in operation will cause serious injury or even death. The teeth of the dig chain are sharp. Avoid contact even when the chain is not moving. Use the Wheel Drive Control to control travel direction.

  • Page 10: Locating Underground Utilities

    DETERMINE LOCATION OF UNDERGROUND UTILITIES OSHA CFR 29 1926.651 requires that the estimated location of underground utilities be determined before beginning excavation or an underground drilling operation. When the actual excavation or bore approaches an estimated utility location, the exact location of the underground installation must be determined by a safe, acceptable and dependable method.

  • Page 11: Worksite Assessment

    WORK SITE ASSESSMENT Examine the work area for any conditions or obstructions that may inhibit trenching or create a safety hazard for the operator or others. Use the information in this manual combined with good judgment to identify any hazards to avoid. In addition to calling to DETERMINE LOCATION OF UNDERGROUND UTILITIES (see previous section for details), the operator and/or job foreman should visually inspect the work site.

  • Page 12: Contact With Underground Utilities

    CONTACT WITH UNDERGROUND UTILITIES After LOCATING UNDERGROUND UTILITIES and performing the WORK SITE ASSESSMENT, accidental dig chain contact with a buried utility might still occur. If it does, stop digging and call 911 for help. If you cut a wire or cable, assume that you do not know what kind it is. It may be electrical or any one of several communication lines: telephone, television, or fiber optic.

This manual is also suitable for:

912hm

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