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Eterra - Stump Grinder - User Manual - Rev 1.0

Document: 

Eterra - Stump Grinder - User Manual - Rev 1.0 

11/04/2019

Page 6 of 17

1.5  Operational Safety

•  Read and understand the Operator’s Manual and all safety signs before operating, servicing, 

adjusting or unplugging.

•  Do not allow riders on the Skid Steer during field operation or transport.
•  Install and secure all guards and shields before starting and operating.
•  Never wear ill-fitting, baggy or frayed clothing when working around or on any of the drive sys-

tem components.

•  Keep hands, feet, hair and clothing away from all moving and/or rotating parts.
•  Never operate the machine inside a closed building.
•  Stop Skid Steer engine, place hydraulic controls in neutral, set park brake, remove ignition key 

and wait for all moving parts to stop before servicing, adjusting, repairing or unplugging.

•  NEVER EVER Climb out of your machine with the boom raised.  Serious injury or death can 

occur.

•  Ensure that all Skid Steer controls are in neutral before starting.
•  Clear the area of all bystanders, especially children, before starting.
•  Be careful when working around or maintaining a high-pressure hydraulic system.  Wear prop-

er eye and hand protection when searching for a high-pressure leak.  Use a piece of wood or 

cardboard as a backstop when searching for a pin-hole leak in a hose or line.

•  Before applying pressure to the hydraulic system, make sure all components are tight and that 

steel lines, hoses and couplings are not damaged.

•  Take care when working on steep ground, particularly when turning, and especially with mount-

ed Stump grinders. 

•  Stay away from overhead obstructions and power lines during set-up and operation.  Electrocu-

tion can occur without direct contact.

•  Review all safety instructions annually

1.6  Maintenance & Transport Safety

•  Review the Operator’s Manual and all related Maintenance, Operating and SAFETY information 

annually with all personnel who will be working with, maintaining or operating the Stump grind-

er.

•  Be careful when working around or maintaining high-pressure hydraulic systems.  Wear prop-

er eye and hand protection when searching for a high-pressure hydraulic leak.  Use a piece of 

wood or cardboard as a backstop when searching for a pin-hole leak in a hose or steel line. Do 

not attempt any makeshift repairs to the hydraulic lines, fittings or hoses by using tape, clamps 

or cements.  The hydraulic system operates under extremely high-pressure.  Such repairs will 

Summary of Contents for Vortex Stump Grinder

Page 1: ...ike Howe A Product By Eterra LLC A Skid Steer Solutions Inc Company Bellingham Washington USA www eterra usa com Operators Parts Manual For information and customer support speak with your dealer or visit our website www eterra usa com Vortex Stump Grinder Copyright 11 04 2019 Eterra LLC All rights reserved ...

Page 2: ...prior written permission from Eterra LLC All copyright confidential information patents design rights and all other intellectual property rights of whatsoever nature contained herein are and shall remain the sole and exclusive property of Eterra LLC The information furnished herein is believed to be accurate and reliable However no responsi bility is assumed by Eterra LLC for its use or for any in...

Page 3: ...afety 5 1 5 Operational Safety 6 1 6 Maintenance Transport Safety 6 2 _Operation 7 2 1 Introduction 7 2 2 Theory of Operation 8 2 3 Pre Operation Checklist 8 2 4 Hydraulic Connections 9 2 5 Hose Routing 9 2 6 Deflection Shield 9 2 7 Initial Operation 9 3 _Stump Grinder Use Guidelines 11 3 1 First Time Users 11 3 2 How to Grind Stumps 12 4 _Maintenance Parts Lists 13 4 1 Parts Assembly Diagram 13 5...

Page 4: ...dy to operate This Document The sole purpose of this manual is to help you train yourself to be a responsible operator and trouble shooter of the operation of the Eterra Stump Grinder so that you can identify safety issues before anything serious can happen Failure to follow the directives noted in this document may lead to serious injury or death 1 2 Scope Please read and understand all safety di...

Page 5: ... attachment as material can deflect back at the operator Be aware of the material you are cutting and its deflection prop erties You assume all risk when operating this stump grinder to the public property and the oper ator 1 4 General Safety Read study and understand your Operator s Manual Understand all safety symbols before operating or maintaining the Vortex Stump Grinder Never operate this ma...

Page 6: ... pressure hydraulic system Wear prop er eye and hand protection when searching for a high pressure leak Use a piece of wood or cardboard as a backstop when searching for a pin hole leak in a hose or line Before applying pressure to the hydraulic system make sure all components are tight and that steel lines hoses and couplings are not damaged Take care when working on steep ground particularly whe...

Page 7: ...lights and reflectors that are required by the local highway and transport authorities are in place are clean and can be seen clearly by all overtaking and oncoming traffic Never transport with the boom arms extended upward Boom arms should be in the stowed position in towards the Skid Steer when transporting Do not allow riders on any parts of the machine during either field operation or road and...

Page 8: ...tted to the wheel in front of the cutters called rakers These rakers pro tect the cutters from damage should you hit a solid object They may be replaced when worn so that the cutters maintain maximum protection This is an easy process that will enable your cutters to last much longer than if they were to be removed 2 3 Pre Operation Checklist The Eterra Stump Grinder is designed to ensure years of...

Page 9: ...ler as well 2 5 Hose Routing It is important that you check and recheck your hose routing each time you connect the attachment to your Skid Steer Each machine is different so you need to make sure that you have routed the hoses away from any potential pinch points Check that there are no pinch points around the main skid steer pivot Average hose lengths are shipped at no charge with each stump gri...

Page 10: ...ndles different types of material Stop and check for leaks Check the cutters to in sure nothing has come loose Do not wear loose fitting clothing or jewelry Hearing and eye protection are highly recommend ed even if you are inside an enclosed cab Wear heavy gloves whenever you are handling the wheel Before leaving the skid steer make sure that the hydraulic power has been turned off and the wheel ...

Page 11: ... stopped position Exit your cab and inspect the hoses and couplers for any leaks Adjust as needed Step Three Enter your cab start your machine turn on auxiliary flow and start the stump grinder Perform a few test passes on an easy stump so that you feel confident with what the stump grinder is capable of grinding and the direction the material will exit the stump grinder Because of the side mount ...

Page 12: ...ks of wood After completing the first cut through the stump move the skid steer to the left again as viewed from the control area so the wheel can cut another 8 12 inches Proceed with another cut Additional passes when the tree stump is very large are made in the same manner as described above Repeat the procedure until the stump is cut to ground level Before cutting below the ground level make ce...

Page 13: ...Eterra Stump Grinder User Manual Rev 1 0 Document Eterra Stump Grinder User Manual Rev 1 0 11 04 2019 Page 13 of 17 3 3 Cutting Wheel Teeth and Installation ...

Page 14: ...Eterra Stump Grinder User Manual Rev 1 0 Document Eterra Stump Grinder User Manual Rev 1 0 11 04 2019 Page 14 of 17 ...

Page 15: ...Eterra Stump Grinder User Manual Rev 1 0 Document Eterra Stump Grinder User Manual Rev 1 0 11 04 2019 Page 15 of 17 ...

Page 16: ...DBM PSR100L0S80 0 F32 Motor and Hub Assembly Displacements cm 3 150 175 250 280 1 10 3_4 10 Lock Nut Steel Top Lock Grade C Zinc Finish 12 11 3_8 16 Lock Nut Steel Top Lock Grade C Zinc Finish 14 12 3_4 10 x 2 50 Hex Bolt Grade 8 Yellow Zinc Finish 8 13 5_8 Nord Lock Washer 5 8 Nord Lock Washer 16 14 3_8 Flat Washer Steel SAE Yellow Zinc Finish 28 15 3_4 Flat Washer 3_4 Flat Washer 32 16 3_4 10 x ...

Page 17: ...SELLER WILL BE OF THE KIND AND QUALI TY DESCRIBED IN THE ORDER OR CONTRACT AND WILL BE FREE FROM DEFECTS IN WORKMANSHIP OR MATERIAL SHOULD ANY FAILURE TO CONFORM WITH THIS WARRANTY OCCUR AND THE BUY ER HAVING GIVEN WRITTEN NOTICE TO SELLER WITHIN 180 DAYS FROM THE DATE OF SHIPPING SELLER SHALL CORRECT SUCH NONCONFORMITY AT ITS OPTION BY EITHER REPAIRING THE DEFECTIVE PART OR PARTS OR MAKING AVAILA...

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