HORIZONTAL EARTH BORING MACHINE （地球卧式镗床）.pdf

HORIZONTAL EARTH BORING MACHINE Economical and versatile boring machines! The “Prairie Dog” Model 900 allows a single operator to bore holes from 2 to 14 inches in diameter, in lengths of 150 feet and more. The Model 900TW is a versatile boring machine designed to be inexpensive to operate and requires little maintenance. Whether you install cables or pipelines, digging trenches through existing structures is expensive an time consuming. The “Prairie Dog” line of products allows you to bore holes under existing structures easily and economically. SPECIFICATIONS: Weight: 295 pounds Engine: 8.5 HP Honda Engine Drill Rods: 4ft long 1.25 diameter Length of Track: 102 Width of track: 18 inch Height: 36” maximum to top of handle Bores hole from 2-14” up to 150ft or more Uses forward and reverse oil lubricated planetary unit APPLICATIONS: C.A.T.V. Plumbing Electrical Irrigation Telephone Gas Water FEATURES: Reliable Honda Engine Welded Steel Frame Non-Corrosive Water Swivel Quallity Workmanship Heavy Duty oil planetary forward and reversing transmission Compact and Portable Rack and pinion advancing mechanism BELOW GROUND OPERATION OF MODELS 500TW, 700TWA, 900TW, 1200TW 1800TW After a boring pit and come out hole have been dug the machine is lowered into the boring pit and properly leveled and aimed. The first drill rod is attached with a pilot bit and the operator begins the drilling process. Water is used to flush the cuttings from the hole as the operator advances the drill stem and pilot bit using the smooth rack and pinion advance. Once