Barreto E30SGB User manual

30SG OPERATOR’S MANUAL 4/23/19 Page 1 of 23
THE
MODEL E30SGB
HYDRAULIC TRACK STUMP GRINDER
OPERATOR’S MANUAL – ORIGINAL INSTRUCTIONS
STUMP GRINDER INTENDED USE
The Barreto Stump Grinder is designed to remove in-ground tree stumps and exposed roots. It should not
be used to cut any material other than wood stumps and the surface soil around the stumps or exposed
roots.
TABLE OF CONTENTS
LUBRICATION REQUIREMENTS 2
SAFETY MESSAGES 3
SAFETY INSTRUCTIONS OVERVIEW 4
BATTERY & ELECTRIC STARTER SAFETY INSTRUCTIONS 6
STUMP GRINDER OPERATING INSTRUCTIONS 7
CONTROLS 7
ENGINE CONTROLS 9
ENGINE START UP PROCEDURE 10
BRIGGS/VANGUARD CONTROLS & START UP PROCEDURE 11
OPERATOR PREPARATION 12
NOISE EMISSION DATA 12
VIBRATION EMISSION DATA 13
DETERMINE LOCATION OF UNDERGROUND UTILITIES 14
WORK SITE ASSESSMENT 15
CONTRACT WITH UNDERGROUND UTILITIES 16
GRINDING PROCEDURE 17
GRINDING TIPS 17
SHUT DOWN PROCEDURE 17
JUMP STARTING ENGINE WITH ELECTRIC STARTER 18
GROUND TRANSPORT OF THE GRINDER 19
EMERGENCY TOWING 20
ROAD TRANSPORT OF THE GRINDER 21
INDEX 23
U.S. Patent No. 10,260,567

30SG OPERATOR’S MANUAL 4/23/19 Page 2 of 23
LUBRICATION REQUIREMENTS
Grease at the intervals indicated per the illustration of grease lubrication points. There is also a grease
diagram decal on the machine.

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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.
A signal word "DANGER", "WARNING", or "CAUTION" is used with the safety alert symbol.
DANGER: Imminent hazards, that if not avoided, will result in serious personal injury or death.
WARNING: Potential hazards or unsafe practices, that if not avoided, could result in serious
personal injury or death:
CAUTION: Potential hazards or unsafe practices, that if not avoided, could result in minor personal
injury, product damage, or property damage.
Safety decals with a signal word "DANGER", "WARNING", or "CAUTION" are affixed to the stump
grinder near specific hazards.
This machine shall always be used in accordance with this manual. Study it and ALL decals on the stump
grinder before operating the stump grinder.
ALWAYS make sure the engine is turned off before performing maintenance, cleaning, or transport by
means other than under its own power.
Before using, always visually inspect to see that the tools are not worn or damaged. Replace worn or
damaged elements and bolts in sets to preserve balance.
Use extreme caution when reversing the machine towards you.
Do not change the engine governor settings or over speed the engine.

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SAFETY INSTRUCTIONS OVERVIEW
READ SAFETY AND OPERATING INSTRUCTIONS BEFORE OPERATING!
USE COMMON SENSE AND PLENTY OF IT!
Call before you cut. If you do not call, you may cause an accident; suffer injuries or death; cause
interruption of services; damage the environment; and/or incur project delays. Expect to be held liable for
any damages caused, if you fail to call.
DANGER: Buried electric cables or gas lines can cause serious injury or death if struck with cutter
wheel. Always determine location of utilities before cutting.
WARNING: Fiber optic cables convey laser light that can injure your eyesight.
STAY CLEAR of moving parts on the stump grinder.
DANGER: Cutter wheel and other moving parts can cut off arms, legs, or fingers. Contact with the
cutter wheel while in operation will cause serious injury or even death. Stay in the operator’s
position at the controls when the cutter wheel is operating. Keep all observers and helpers at a safe distance
from the machine. Stop the cutter wheel immediately if anyone gets too close to the operating machine.
Wear a face safety shield and hard hat while operating or observing!
WARNING: The cutter wheel may throw chips, rocks and
debris into the area around the machine. Keep all bystanders at
a safe distance from the machine. Always wear eye protection when
operating or observing the machine in operation.
Wear adequate hearing protection while operating or observing.
WARNING: The machine and cutter wheel are loud when in
operation. Wear ear protection when operating the machine.
Exposure to loud noise is cumulative and may permanently damage
your hearing.
Wear safety boots and gloves. Wear close-fitting clothing. Contain long hair. Do not wear jewelry. Wear
reflective clothing if working near traffic.
Only operate outdoors and avoid breathing engine exhaust and fumes.
WARNING: Engine exhaust contains carbon monoxide gas that is toxic. Breathing it can cause
unconsciousness and death.
Adequate lighting is required, daylight or artificial, for safe operation of the stump grinder. Allow adequate
side and overhead clearances between machine and buildings, fences, and trees.

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SAFETY INSTRUCTIONS OVERVIEW (continued)
WARNING: Contact with the cutter wheel while in operation will cause serious injury or even
death. The teeth of the cutter wheel are sharp. Avoid contact even when the wheel is not moving.
Avoid inclines if at all possible.
WARNING: Navigating on any incline increases the danger of the machine 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. Navigation on inclines should be especially slow and turns very gradual. Refer to
the incline diagram in the section, “GROUND TRANSPORT”.
Avoid operating adjacent to drop-offs or embankments.
Keep away from tracks to avoid being crushed.
WARNING: Being run over by the machine will cause injury.
Always leave machine parked on a level surface.
WARNING: Do not park on incline. Move the machine to a level surface and set the parking brake
located behind the left hand track motor. Move the handle down to engage the brake.
Do not leave machine unattended with the engine running.
Do not operate machine near any source of flammable dust or vapors.
WARNING: Sparks from the engine exhaust can cause an explosion or fire in a flammable or
explosive atmosphere. Fuel fumes can catch fire or explode.
Do not operate machine near flames or sparks.
WARNING: Fuel fumes can catch fire or explode. If fuel is spilled, do not attempt to start engine
but move the machine away from the area of spillage and avoid creating any source of
ignition until the vapors have dissipated.
Shut off engine and allow it to cool before refueling.
WARNING: Fuel fumes can catch fire or explode. Refuel outdoors and do not smoke when
refueling. Do not refuel near a source flames or sparks. Always store fuel in containers
specifically designed for this purpose. Add fuel before starting engine. Never remove the cap
on the fuel tank or add fuel while the engine is running or when the engine is hot.
WARNING: Replace all fuel tank and container caps securely.
Do not touch the engine, muffler, or any of the hydraulic components until cool.
WARNING: Muffler and engine get hot enough to cause serious burns. For the safety of yourself
and others, allow enough time for the engine, muffler, and the hydraulic fluid to cool completely
before performing any cleaning or maintenance.
WARNING: Stay clear of the articulation area while the engine is running.