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30SG OWNER’S MANUAL 

5/6/21 

Page 1 of 19 

 

 THE 

 

 

 

 
 
 

MODEL E30SG 

HYDRAULIC TRACK STUMP GRINDER 

OWNER’S MANUAL – ORIGINAL INSTRUCTIONS 

 

 
 

 

CONGRATULATIONS! 

 

You are now the proud owner of the BARRETO stump grinder. The OPERATOR’S MANUAL is 
attached to the machine. Please study it and this manual to become familiar with the stump grinder, its 
characteristics, and method of operation. Pay particular attention to the safety and operating instructions 
to prevent personal injury or equipment damage. 

 

If you have any questions or need any replacement parts in the future, please contact us at your 
convenience. Our toll-free phone number, fax and email are listed below. 

THANK YOU for your patronage and confidence in BARRETO equipment. 

Barreto Manufacturing, Inc. 
Innovative Equipment Engineered to Last 
66498 Hwy 203, La Grande, OR  97850 
(800) 525-7348  (541) 963-7348 
FAX (541) 963-6755 
E-Mail

 [email protected]

 

Web Site

 http://www.barretomfg.com

 

U.S. Patent No. 10,260,567 

 

 
 

 

Machine Identification Record 

 

Machine model number 

  

 

 

Machine serial number 

  

 

 

Engine manufacturer 

  

 

 

Engine model number 

  

 

 

Engine serial number 

  

 

Summary of Contents for E30SG

Page 1: ...event personal injury or equipment damage If you have any questions or need any replacement parts in the future please contact us at your convenience Our toll free phone number fax and email are liste...

Page 2: ...FACTURING EQUIPMENT 6 MAINTENANCE PREPARATION 6 ROUTINE MAINTENANCE 7 HYDRAULIC HOSE REPLACEMENT 8 CHANGING THE HYDRAULIC FLUID 8 BRIGGS VANGUARD MAINTENANCE SCHEDULE 9 TRACK TENSION ADJUSTMENT 10 BAT...

Page 3: ...draulic fluid filter after the first 50 hours of use Change it every 200 hours thereafter Add approximately one quart 1 liter of hydraulic fluid to reservoir with each filter change Discard the old fi...

Page 4: ...routine maintenance to be performed on a timely basis It can also show your engine RPM s by using the wand magnet to toggle the display If the wand gets lost a small mechanic s pick up magnet will wor...

Page 5: ...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 LUBRICATION REQUIREMENTS Grease at the int...

Page 6: ...ervice are also excluded from warranty coverage Engines engine attached fuel tanks engine accessories batteries and tires are warranted by the original manufacturer and are not covered by the Barreto...

Page 7: ...e decals Replace any damaged unreadable or missing decals If you replace a machine part that has one or more decals affixed to it replace the decals also Replacement parts and decals can be purchased...

Page 8: ...Size Assembly Torque in lb Assembly Torque ft lb Tube Connection FFFT Swivel Nut or Hose FFFT 2 35 45 2 4 N A N A 3 65 75 5 7 N A N A 4 130 150 11 13 2 2 5 165 195 14 16 2 2 6 235 265 20 22 1 5 1 25...

Page 9: ...6 21 Page 9 of 19 BRIGGS VANGUARD MAINTENANCE SCHEDULE Please see your engine owner s manual for specific procedures and products to use for proper maintenance of your engine as well as proper disposa...

Page 10: ...e free length of springs Then tighten adjuster nut to compress tension spring pair to a length of 5 8 16mm less than free length Tighten lock nut To measure track sag Lift the machine and raise the tr...

Page 11: ...severe burns if leaked from the battery Do not charge or jump start the battery near flames or sparks or while smoking WARNING Battery fumes are flammable and explosive Avoid explosion hazard that cou...

Page 12: ...tery fumes are flammable and explosive Avoid explosion hazard that could blind and burn Tools and jumper cable clamps can make sparks so use them with care Shield eyes and face and wear rubber gloves...

Page 13: ...30SG OWNER S MANUAL 5 6 21 Page 13 of 19 STUMP GRINDER ELECTRICAL SCHEMATIC WITH BRIGGS ENGINE...

Page 14: ...30SG OWNER S MANUAL 5 6 21 Page 14 of 19 31 HP BRIGGS VANGUARD ELECTRICAL SCHEMATIC...

Page 15: ...30SG OWNER S MANUAL 5 6 21 Page 15 of 19 HYDRAULIC SCHEMATIC...

Page 16: ...ighten fitting nuts B Engine lugs down or dies and tracks and cutter wheel do not turn 1 Rocks or other obstructions jammed in cutter wheel housing 2 Cut depth or swing speed too great 3 Engine improp...

Page 17: ...spect motor for leaking shaft seal Rebuild or replace motor New motors are available from Barreto Manufacturing F Foaming hydraulic fluid coming from breather hose 1 Improper fluid used 2 Air leaking...

Page 18: ...e Power hp kW at 3600 RPM 31 hp 23 1 kW Fuel Capacity 5 U S gallons 18 93 liters Engine Oil Capacity 1 8 quarts 1 7 liters Electric Start Standard Hour Meter Standard HYDRAULIC SYSTEM Reservoir Capaci...

Page 19: ...CHEMATIC WITH BRIGGS ENGINE 13 ELECTRICAL SCHEMATICS 2 13 14 ENGINE 1 4 16 18 GREASE 5 11 12 HOUR METER 4 HYDRAULIC FLUID 3 6 8 16 17 HYDRAULIC HOSE REPLACEMENT 2 8 HYDRAULIC SCHEMATIC 15 HYDRAULIC SY...

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