DO NOT THROW AWAY IMPORTANT MANUAL MODEL HD99 HYDRAULIC ONE-MAN EARTH DRILL Operator’s Manual P.O.BOX 290 • San Bernardino, CA. 92402 Phone (909) 478-5700 • Fax (909) 478-5710 • (800) 922-4680 E-mail: sales@groundhoginc.com • www.groundhoginc.
WARNINGS AND SAFETY INSTRUCTIONS This symbol means DANGER, WARNING or CAUTION. Personal injury and/or property damage may occur unless instructions are followed carefully. WARNING ~ THIS POWER TOOL CAN BE DANGEROUS! This tool can cause serious injury to the operator and bystanders. The warning and safety instructions in this manual must be followed to provide reasonable safety and efficiency in using and storing this earth drill.
WARNINGS AND SAFETY INSTRUCTIONS cont’d... OPERATOR SAFETY DIGGING SAFETY 1. Always wear the proper clothing and protective gear for the job. Eye and ear protection, hard hat, boots, gloves and dust masks are some of the items that may be required. 2. Keep hair, fingers, and all other body parts away from openings and moving parts. Always wear, long pants, boots, and gloves. Do not wear loose clothing, jewelry, short pants, sandals or go barefoot. Secure hair so it is above shoulder length. 3.
INTRODUCTION It is your responsibility as the operator of this piece of equipment to know what specific requirements, precautions and work hazards exist. You must read, understand and follow all of the information contained in this operator’s manual and inform any person who might be assisting you. The HD99 one-man earth drill is a unique tool.
KEY POINTS OF THE HD99 Normal Digging Handlebar Position Up Close Digging and Towing Handlebar Position Swivel Lock Stop Switch Pivot Plate Lock Latch Lever Latch Lever Latch Lever Latch Lever Swivel Lock Pivot Plate Lock Reverse Forward Stop Switch Reverse Forward Control Lever Control Lever Handlebar Handlebar ...OR...
TOWING AND TRANSPORTATION WARNING • • • • • • Comply with local state and highway regulations when towing. Read and follow all instructions in this manual. Check that ball is completely inserted into coupler socket before towing. Check that underjaw is securely closed around bottom of ball. Always secure this earth drill with tie downs or similar when transporting in a truck or trailer. Properly attach the towing chains ATTACHING THE TOWBAR TO THE HD99 STEP 1 Move handlebar to transporting position.
TOWING AND TRANSPORTATION cont’d... ATTACHING THE TOWBAR TO THE HD99 cont’d... STEP 3 Attach the towbar to the axle tow tabs as shown below. Axle tow tabs Towbar STEP 4 Lower the earth drill until towbar attachment stem rests in-between the towbar attachment plates . STEP 5 Insert the hitch pin all the way through the holes on the towbar stem and attachment plates.
TOWING AND TRANSPORTATION cont’d... ATTACHING THE TOWBAR TO THE HD99 cont’d... WARNING Failure to obey these rules can cause trailer to detach while towing which may cause SERIOUS INJURY OR DEATH! • • • • • • • Never exceed weight capacity of ball or load limits stamped on coupler. Always use safety chains. Always use correct size ball shown by stamp on coupler Always check that the ball is completely inserted into coupler socket and that underjaw is securely closed around the bottom of the ball.
OPERATING INSTRUCTIONS DANGER WARNING Determine that the earth drill is in its original, factory configuration and has not been modified or damaged and is not missing parts in any way. If there are any questions about possible modifications made to the earth drill, do not use until the modifications have been corrected using only genuine replacement parts as recommended by Ground Hog or the engine manufacturer.
OPERATING INSTRUCTIONS cont’d... WARNING WARNING Never connect or disconnect the auger or auger extensions while the engine is running. The earth drill shall be stored in a manner that prevents it from falling, rolling or tipping over. DRILLING WITH EXTENSIONS WHEN NOT IN USE It is not recommended to dig with extensions longer than three feet long. • 1. Following the directions listed under “DRILLING”, dig to the full depth of the auger without using an extension. • 2. Stop the engine.
