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Plans- Assembly Manual These Plans are sold solely- for non-Commercial purposes and their sale in no way licenses any individual or firm to reproduce the Mini-Dozer in any form for resale. To do so will constitute direct violation of all pat- ents applicable at that time.
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PARTS LIST FOR MD1200 and MD1600 SERIES TRACTORS MD1200-1 Body 1AL Left Body Wall 6J Retaining Clips (4) 1/2" d i a . ; for #6I Harness 1 A R Right Body Wall 6K Battery (-) Wire 10" (heavy black) 1B Plate (2) 1/4"...
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33A Main Drive B e l t BB68 (1) MD1200-20B Sprocket & Shaft 8 Tooth #50 (2) (MD1207 & 1200) (MD1612 & 1600) 33B Main Drive B e l t B67SC (1) 20B Shaft (2) (MD1612 & 1600) 50A8 Sprocket (2) 34A Clutch Belt 4L500 (4) (MD1207) 21 Power Shaft (2) 34B Clutch Belt A48SC (4) (MD1200)
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MINI-DOZER ASSEMBLY (MD1200 & MD1600 Series) Unpacking the Kit: Care must be exercised in unpacking the Kit to avoid bending or scratching the various components. As the parts are unpacked, lay them out neatly and check the parts against the enclosed Parts List.
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Do this to both Right & Left Track Expanders. On ends of each Cap Screw, loosely apply two (2) 3/8 Nuts with 3/8 Lock Washer between. Insert 3/8-16 x 3" Cap Screw into a 3/8 WI Washer and then through the two holes in rear of each Expander (you may have to rotate Rear Axle so Cap Screw will pass through) and secure with 3/8 WI Washer and 3/8-16 Locknut.
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11. Installation of Chain Guards: At this time, if you have chain guards, you may layout and drill the mounting holes per drawing. Take four 5/16-18 x 3/4 Cap Screws and insert into chain guard and then into holes just drilled. Inside 1A Wall, secure with 5/16 WI Washer and 5/16-18 Locknut.
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Slide both the #21 Upper and #21 Lower Power Shafts to the left and engage 5/8" "stepped" ends of Shafts into their respective 5/8" dia. "bore" of the previously installed #26 Bearings. Push Shafts fully to the left until Shafts "stepped shoulder" hits bearing.
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23. Insert above #15R and 15L Clutch Assemblies into respective locations inside Body. From outside Body, slide #14 Pivot Rod through Body Wall, then through tube on each Clutch, and finally through other Body Wall. (CHECK "BELT DIAGRAMS" FOR PROPER #34 BELT WRAPPING OVER #28 IDLERS.) Note that Clutch Assemblies have freedom to slide left and right on the #14 Pivot.
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Mount 12 & 16 hp Engine with 3/8-16 x 1 Cap Screws and Lock Washers coming up from underside of #1E Mount and engaging the 3/8-16 threads in bottom of engine. In both case; above square Engine in Body (Crankshaft should be at approximately a 90° angle with the inside of the left #1AL Body Wall) and then tighten the four Cap Screws.
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NOTE: It will help if before installation you grip one end of the #39 Tube with your left hand and the other end with your right; then viewing either end of the Tube, twist it clockwise this will increase its inside diameter and make it slip easily over its respective Pipe Nipples.
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Take (heavy black) #6S Wire (in #6I Wiring Harness) and connect its 1/4" ID loop to 1/4-20 terminal on starting motor of engine - Tighten. Connect 5/16" ID loop end of #6S Wire to the (left side) of the 5/16-18 terminal on #6AA Solenoid - Tighten. Connect the two prong Square female plug of #6I Wiring Harness with the mating male plug found protruding alongside Starter on engine.
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N. Your wiring is now complete - use this opportunity to completely go over the above assembly instructions and check for any wiring mistakes. (NOTE: To improperly wire your Tractor will run the risk of almost immediate "burnout" of Alternator, Regulator- Rectifier, etc.) Charge Battery at this time using standard 12 volt Charger.
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Now begin bolting the Track Shoes onto the Drive Chain using the 1/4" Carriage Bolts, Lock Washers, and nuts provided. NOTE: Shoes must be kept square with an imaginary line running from the Front Wheel to Rear Wheel; always check this alignment as you are putting on the Shoes so that the final track will run true.
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The degree of tension in #33 Belt is determined by the location of #27 Idler Pulley in 3/8" wide slot of #1H Segment. Sliding the Idler Pulley forward will decrease tension; sliding it rearward will increase tension. When you have arrived at the position which properly releases #33 Belt, you may then tighten the 3/8-16 x 1-3/4 Cap Screw holding #27 Pulley.
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You may "lock" both Throttle and Choke Controls (in the position you have selected) by rotating the Handles 1/4 turn clockwise. They are "unlocked" by a 1/4 turn counter- clockwise. NOTE: DO NOT "over-tighten" or "over-loosen" these Controls - a 1/4 turn in either direction is sufficient.
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Maintenance: The following items should be checked each time you start your tractor. 1. Gas and Oil should be full and clean - check for any leakages. 2. Grease all Zerk fittings in #10 Bearings, #22 Rear Drive Wheels, and #25 Front Idler Wheels.
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