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37SG OWNER’S MANUAL                                     9/05/19                                         Page 6 of 19 
 

        OPERATOR TRAINING 

 

Rental companies should demonstrate all of the machine operations to each rental customer including: 

 

Starting up the engine. 

 

Loading the stump grinder onto the trailer and securing it for road transport. 

 

Unloading the stump grinder from the trailer. 

 

Grinding procedure - Operation of the stump grinder.  

 

WARRANTY OF BARRETO MANUFACTURING EQUIPMENT 

 
Barreto Manufacturing, Inc. warrants all 

BARRETO

 equipment to be free of defects in material and 

workmanship for a period of one (1) year. All 

BARRETO

 fuel components, fuel tank, cap, lines & 

fittings are warranted for two (2) years.  Warranty period begins on date of delivery to the original user. 
This warranty is in lieu of all other warranties, whether written or implied, and is limited to: 

 

1.  Replacement of parts returned to the dealer and/or factory and determined defective upon 

inspection.  (Replacement for parts to dealers shall be at dealer cost plus shipping charges.) 

2.  Time for pick-up and/or delivery, transportation of service calls by dealers is excluded. 

Manufacturer reserves the right to determine reasonable time required for repair. 

 
Warranty does not apply to damage caused by abuse or neglect.  Time and materials required for 
normal maintenance and service 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 Equipment Warranty.

  

 

Wear parts such as cutter wheels and teeth, holders and bolts, dig chains, dig teeth, sprockets, 
chain rollers, bearings, bushings etc. are excluded unless it can be determined that a defect has 
contributed to premature wear. 

 

MAINTENANCE PREPARATION 

 

Only trained & qualified personnel should perform maintenance or repairs of the stump grinder. Before 
performing any service, maintenance, adjustments, repairs, or off-season long-term storage, follow the 
SHUT DOWN PROCEDURE in the OPERATOR’S MANUAL.   

 

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. 

 

Avoid contact with hydraulic fluid. 

WARNING

: When machine is operating, hydraulic fluid is under extreme pressure and can get 

under skin and burn or poison.  

 

Read the BATTERY & ELECTRIC STARTER SAFETY INSTRUCTIONS. Disconnect the battery, 
removing the negative terminal first by loosening the wing nut where the cable end is secured to a post on 
the stump grinder frame. When ready to reattach the cables, reconnect the positive terminal first. 

 

Summary of Contents for E37SG CENTER PIVOT

Page 1: ...ny 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...

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: ...ne oil this often due to heavy duty use and extreme conditions inherent to tiller use Barreto Manufacturing strongly recommends frequent oil changes Refer to this manual for equipment service requirem...

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: ...service 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: ...he 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: ...5 19 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: ...re 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 t...

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: ...ttery 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: ...37SG OWNER S MANUAL 9 05 19 Page 13 of 19 STUMP GRINDER ELECTRICAL SCHEMATIC WITH BRIGGS ENGINE...

Page 14: ...37SG OWNER S MANUAL 9 05 19 Page 14 of 19 37 HP BRIGGS VANGUARD ELECTRICAL SCHEMATIC...

Page 15: ...37SG OWNER S MANUAL 9 05 19 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 37 hp 27 6 kW Fuel Capacity 4 6 U S gallons 17 4 liters Engine Oil Capacity 1 8 quarts 1 7 liters Electric Start Standard Hour Meter Standard HYDRAULIC SYSTEM Reservoir Capac...

Page 19: ...SCHEMATIC 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 S...

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