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manual abstract
Always be sure the implement is in the proper raised position for transport. Reduce speed when transporting mounted implements to avoid bouncing and momentary loss of steering control. Plan your route to avoid heavy traffic. Watch for traffic when operating near or crossing roadways. Do not drink and drive! Turn curves or go up or down hills only at a low speed and at a gradual steering angle. Make certain that at least 20% of the tractor’s weight is on the front wheels to maintain safe steerage. Slow down on rough or uneven surfaces, and loose gravel. Use extreme care and maintain minimum ground speed when transporting on hillside, over rough ground and when operating close to ditches or fences. Be careful when turning sharp corners. Never allow riders on either tractor or implement. Falling off can kill. Be a safe and courteous driver. Always yield to oncoming traffic in all situations, including narrow bridges, intersections, etc. STORAGE SAFETY Following operation, or when unhooking, stop the tractor, set the brakes, disengage the PTO, shut off the engine and remove the ignition keys. Do not park equipment where it will be exposed to livestock for long periods of time. Damage and livestock injury could result. Do not permit children to play on or around the stored unit. Make sure all parked machines are on a hard, level surface and engage all safety devices. 10 SAFETY SIGNS AND DECALS NOTICE Bend handle as needed for comfortable operation (See Owners Manual) 101200 LOCATED ON POST HOLE DIGGER BOOM LOCATED AT TOP OF AUGER CENTER TUBE REMEMBER: If Safety Signs have been damaged, removed, become illegible or parts replaced without Signs, new Safety Signs must be applied. New Safety Signs are available from your authorized distributor or factory. 11 INSTRUCTIONS TRACTOR REQUIREMENTS AND PREPARATION The model 300 3-pt. mounted post hole digger will fit most 14 to 24 hp small tractors with a Category 0 hitch and a 540 rpm rated PTO. NOTE: Some smaller size Category 0 lawn tractors (usually less than 14 hp) have very short lift arms with 5/8” diameter lift arm ball ends. These smaller lawn tractors are not usually suitable for post hole digger operation. The model 300 post hole digger “A” frame comes with Category I lift pins (7/8” diameter). Most small tractors are made for these size pins. If your tractor has 5/8” diameter lift arm ball ends, then you must order Cat. I/Cat. 0 lift pins (part #590330, two required). The model 300 post hole digger can handle 6”, 9”, or 12” diameter augers. However, the size of auger that can be effectively used depends on the size of your tractor and existing soil conditions. Example: In easy soil conditions, a 14-16 hp tractor can handle a 12” auger. If conditions are difficult, a 9” diameter auger is probably all that a tractor that size will be able to handle. Because of the generally low height profile of these smaller tractors, the use of 30” long augers is recommended. (Some small tractors either cannot lift the boom high enough for use of a standard 42” length auger or tend to put the digger driveline joints at such a sharp angle, the driveline will not perform or has a high failure rate.) Check the tractor’s 3-pt. hydraulic lift system. It should operate up and down smoothly and have enough power to lift the dirt-loaded auger out of the hole. Refer to your tractor operator’s manual or dealer for any adjustments necessary to put the 3-pt. hydraulic lift system in good working order. (I&T shop manuals will list most specifications and adjustment instructions – available from most farm equipment dealers.) Check the shield over the PTO stub shaft. Make sure it is in good condition and bolted securely to the tractor. Purchase a new shield if old shield is damaged or missing. Tractor must be equipped with stabilizer bars, adjustable sway chains, or sway blocks to keep the post hole digger from swinging side to side. Smaller size tractors may need front counter weights to counter-balance the weight of the post hole digger and the weight of the dirt on the auger or use a smaller size auger. It is recommended that the tractor be equipped with a Roll-Over Protection System (ROPS) and a seat belt that is used. CAUTION! Be sure your tractor is in good condition. Read all the safety precautions and make sure all tractor operators are familiar with the safety rules of operation. ASSEMBLY AND MOUNTING Unpack and lay out the various parts. Refer to the exploded view parts drawing for part identification and the relationship of one part to the others. Start with the “A” frame assembly. Place the pull pins (Ref. #10) through the lower holes of the side bars (Ref. #2) and the lower cross bar (Ref. #3). Secure with nuts and lock washers. Place the lift arm ends of your tractor over the pull pin ends in the “A” frame assembly and secure with linchpins (not supplied). Place the tractor end of the digger boom (Ref. #1) between the top link ears on the tractor and pin in place. Use a top link...