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E-TR18-I-0125
Operator's Instruction Manual
Model TR-18
18" Trencher
READ AND UNDERSTAND THE OPERATOR'S SAFETY MANUAL THOROUGHLY
BEFORE ATTEMPTING TO OPERATE THIS EQUIPMENT.
Death or serious injury could occur if this machine is used improperly.
READ AND UNDERSTAND THE ENGINE MANUFACTURERS INSTRUCTIONS AND OPERATORS MANUAL BEFORE OPERATION.
EQUIPMENT DEVELOPMENT COMPANY, INC.
Printed in USA
©2025
100 Thomas Johnson Drive, Frederick, MD 21702-4600 USA
Phone: 800-638-3326 or 301-663-1600 • Fax: 800-447-3326 or 301-663-1607
Website: www.edcoinc.com • E-mail: techsupport@edcoinc.com
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Summary of Contents for Edco TR-18
- Page 1 E-TR18-I-0125 Operator’s Instruction Manual Model TR-18 18” Trencher READ AND UNDERSTAND THE OPERATOR’S SAFETY MANUAL THOROUGHLY BEFORE ATTEMPTING TO OPERATE THIS EQUIPMENT. Death or serious injury could occur if this machine is used improperly. READ AND UNDERSTAND THE ENGINE MANUFACTURERS INSTRUCTIONS AND OPERATORS MANUAL BEFORE OPERATION.
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Page 2: Safety Information
If symptoms occur - get into subsurface hazards. If the EDCO TR-18 comes fresh air and seek medical attention immediately. in contact with any subsurface hazard, property •... -
Page 3: Table Of Contents
Limited Equipment Warranty of Sale ......21 EDCO’s Online Customer Support ....... 22 800-638-3326 •... -
Page 4: Specifications, Dimensions And Weight
E-TR18-I-0125 Specifications EDCO Model: TR-18 Engine: Honda GX200 Power: 5.8 HP Displacement: 196cc Chain Speed: 392 ft/min, 75RPM Chain Width: 3 inches Maximum Digging Depth:18 inches Wheel Base: 23.75 inches Dimensions and Weight 1-800-638-3326 1-800-638-3326 • edcoinc.com • techsupport@edcoinc.com Page 4... -
Page 5: California Proposition 65 Warning
California. While the exposure from EDCO products may be negligible or well within the “no significant risk” range, out of an abundance of caution, EDCO has elected to provide these Proposition 65 warnings. -
Page 6: Machine Safety Symbol Label Reference
E-TR18-I-0125 MACHINE SAFETY SYMBOL LABEL REFERENCE This symbol means that the guards must remain in place while the engine/motor on the machine is running because death or personal injury may result. (Yellow background with black pictogram and black outline) This symbol means that there are moving parts and if feet/fingers/digits are inserted under any edge of the cutter/grinder/saw cover while the engine/motor on the machine is running that personal injury and loss of foot/fingers/digits may result. - Page 7 E-TR18-I-0125 MACHINE SAFETY SYMBOL LABEL REFERENCE This symbol means that the Operator’s, owners, instruction and/or manufacturer(s) manuals must be read and understood before operating or attempting to operate this electrical, gasoline, diesel or propane powered equipment, failure to do so can result in personal injury and possible death. (Blue background with white pictogram.) This symbol means that proper eye protection must be worn/used during the operation of this equipment.
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Page 8: Safety Guidelines
E-TR18-I-0125 Safety Guidelines Read and understand all operating instructions before operating this equipment. Death or serious injury can result if this machine is used improperly. Safety warnings and guidelines do not by themselves eliminate danger. They are not given as substitutes for proper accident prevention procedures and good judgement. -
Page 9: Trencher Introduction
3” wide and up to 18” deep. The TR-18 trencher has more than enough power to trench through the toughest soils, however, because of its small size, low horse power and trenching capacity, it is limited in what it is capable of doing. -
Page 10: Operating Controls And Features
E-TR18-I-0125 Operating Controls and Features 1-800-638-3326 1-800-638-3326 • edcoinc.com • techsupport@edcoinc.com Page 10... -
Page 11: Prepare The Engine
E-TR18-I-0125 Operating Instructions Read and understand the Engine Manufacturer’s Owner’s Manual before operating the Trencher. PREPARE THE ENGINE: 1. Add Oil to the Engine. The engine is shipped without oil. Do not start the engine before adding oil. Check the oil level daily before starting the engine and add oil as needed. Do not overfill. 2. - Page 12 E-TR18-I-0125 Operating Instructions TRENCHING SAFETY: Keep bystanders clear. If throttle is set higher than idle when engine is running, the digging chain, side auger and other compents will move. Do not operate this trencher indoors. For outdoor use only. Hitting a buried object, such as a rock, could cuse a sudden thrust to the operator. Injury could occur if the operator is not prepared to deal with this condition.
- Page 13 E-TR18-I-0125 Operating Instructions STEPS TO DIGGING A TRENCH: Move Trencher to Digging area. Start engine with digging chain clear of ground ( Fig. 1) and allow engine to warm up at idle speed. Hold the trencher handlebar firmly with both hands. Increase the throttle of the engine, then turn the depth control clockwise to start digging.
- Page 14 E-TR18-I-0125 Operating Instructions STEPS TO DIGGING A TRENCH (CONTINUED): Tip the trencher back out of the ditch by pushing down on handle. (Fig. 4) Pull the trencher back approximately 6 inches. (Fig. 5) Slowly lower the chain back into the ground and continue digging until it reaches the desired depth again.
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Page 15: Transporting And Storage
E-TR18-I-0125 Transporting and Storage TRANSPORTING: Always shut off the engine when transporting machine. • Shut off the fuel before transporting machine. • This machine weighs approximately 245 lbs. and should only be lifted using the lifting points. • Always secure this trencher with tie downs or similar restraints when transporting. •... -
Page 16: Maintenance
Maintain the trencher according to the recommended proceedure in this manual. Stop engine before removing fuel cap. Use only genuine equipment manufacturer (EDCO) or the engine manufacture (Honda) parts when making repairs to the trencher. Replace digging chain if severely worn. Be sure the engine is not running when replacing. -
Page 17: Replacing V-Belt
E-TR18-I-0125 Maintenance V-BELT: After 4 hours of operation, remove the belt cover to check the v-belt tension and drive chain tension. Loose or worn v-belts reduce the power transmission efficiency, cause week digging and reduces the life of the belt itself. NEVER attempt to check the v-belt with the engine running. - Page 18 E-TR18-I-0125 Maintenance ENGINE: Refer to the Engine Manufacturer’s Owner’s Manual for maintenance information specific to the engine used. Air Cleaner: A clogged air filter can cause poor engine starting, lack of power and shorten the life of the engine substantially. To replace the air filter refer to the Engine Manufacturer’s Owner’s Manual.
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Page 19: Maintence Schedule
E-TR18-I-0125 Maintenance Schedule Read and follow instructions in the engine owner’s manual. All maintenance to Daily Every be performed by qualified 25 Hours of Operation personnel. Visual Inspection of Entire Machine Check Engine Oil Grease Main shaft Clean Air Filter Element Clean Dust &... - Page 20 E-TR18-I-0125 THIS PAGE WAS LEFT BLANK INTENTIONALLY 1-800-638-3326 1-800-638-3326 • edcoinc.com • techsupport@edcoinc.com Page 20...
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Page 21: Limited Equipment Warranty Of Sale
*Seller reserves the right to alter payment terms. EDCO will, at its option, repair or replace, at the EDCO factory or at a point designated by EDCO, any part which shall appear to the satisfaction of EDCO inspection to have been 3. -
Page 22: Before Using This Product
EDCO product group. The information in these tracks help businesses be successful with those products. EDCO is always updating online training / information so you always have the most recent content. Also see Operator’s Safety & Limited Warranty Manual Equipment Development Co., Inc.
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