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Operator’s Manual
42-inch Snow Thrower Attachment
For 600-series Lawn Tractors
Model
OEM-190-627
NOTE: This snow thrower attachment will NOT fit on all 600-series lawn tractors. It is NOT designed for
and will NOT operate safely or properly on FastAttach™ compatible tractors. Check your tractor’s right fender for the
FastAttach™ label before attempting to mount this attachment.
NOTE: This snow thrower attachment will NOT fit on ANY 800-series garden tractors, regardless of the tractor’s
Fast
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FINDING MODEL NUMBER This Operator’s Manual is an important part of your new snow thrower attachment. It will help you assemble, prepare and maintain the unit for best performance. Please read and understand what it says. Before you start assembling your new equipment, please locate the model plate on the equipment and copy the information from it in the space provided below. The information on the model plate is very important if you need help from our Customer Support Department or an aut
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SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in per- sonal injury. When you see this symbol—heed its warning. WARNING: Engine Exhaust, some of its constituents, and certain vehicle components
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5. Muffler and engine become hot and can cause a burn. Do MAINTENANCE AND STORAGE not touch. 1. Never tamper with safety devices. Check their proper 6. Exercise extreme caution when operating on or crossing operation regularly. gravel surfaces. Stay alert for hidden hazards or traffic. 2. Disengage power take-off, lower the attachment, set the Do not carry passengers. parking brake, stop engine and remove key to prevent 7. Exercise caution when changing direction and while unintended starting
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SECTION 2: TO THE OWNER Model 627 42-inch two-stage snow thrower is designed for use on 600-series lawn tractors manufactured in 1996 or later ONLY. It will NOT fit nor operate properly or safely on ANY other tractor. It will NOT fit on any FastAttach™ compatible tractor. NOTE: If your 600-series lawn tractor was manufactured prior to 1996, model 627 snow thrower attachment can be mounted on the tractor with special instructions and minor modifications to the tractor. Phone our Customer Sup
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SECTION 4: ASSEMBLY WARNING: Before installing attachment, place tractor on a firm and level surface. Place the PTO in the disengaged (OFF) position, set the parking brake, shut engine off and remove key to prevent unintended starting. NOTE: Your tractor’s cutting deck and PTO belt must be removed prior to mounting the snow thrower attachment. Refer to your tractor’s Operator’s Manual for detailed instructions. Retain all the deck hardware and store it in a safe place. If your tractor is equipp
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8. Reinsert the remaining hex screws removed in Step 4 through the remaining aligning holes in both the support carriage assembly and the tractor’s frame rail (just behind the tractor’s front pivot bracket). Securely fasten with the remaining lock washers and hex nuts. See Figure 7. 9. Securely tighten all the other hardware used to mount the support carriage assembly. Mounting the Undercarriage Assembly 1. Remove the carriage bolts, lock washers and hex nuts from both sides of the front
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Attaching The Lift Handle 1. Remove the hex screws and flange nuts from the Vertical lower portion of the lift handle. Links 2. Attach the lift handle to the lift bracket found on the right side of the support carriage assembly with the two hex screws and two flange lock nuts just removed. See Figure 10. Mounting the Auger Housing Assembly 1. Carefully remove the 2x4s placed under the tractor’s front tires in Step 2 of Mounting the Support Carriage Assembly. Hex Screws 2. Position the aug
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11. Remove the hex screws and hex nuts from the rear portion of each upper lift link. 12. Have an assistant grasp the upper portion of the auger housing and pivot the assembly upward until the holes of the upper links align with holes in the front of the support carriage. 13. Reinsert the hex screws removed in Step 11 through the aligning holes and secure the upper lift links to the support carriage by fastening with the hex nuts also removed in Step 12. See Figure 13. IMPORTANT: Make cer
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Routing the Lower Drive Belt 1. Loosen, but do NOT remove the flange nut which secures the belt keeper to the drive mounting bracket. See Figure 16. 2. Make sure that the “V” side of the lower drive belt is seated firmly in the lower portion of the double Flange Nut pulley found in the rear of the undercarriage assembly. Drive Mounting 3. Route the opposite end of the lower drive belt Bracket around the snow thrower’s drive pulley, to the INSIDE of the belt keeper loosened in Step 1. NOT
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SECTION 5: CONTROLS To raise the snow thrower attachment off of the Engaging the Augers and Impeller ground, pull rearward and down on the lift handle Power to the snow thrower attachment is activated by until you feel the lift latch on the right side of the lowering the tractor’s lift lever and placing it into the snow thrower engage, locking the snow thrower in lowest notch possible. a raised position. Move the tractor’s throttle lever into the FAST To lower the snow thrower, pus
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Overlap a previously cleared path when necessary Always use tire chains and rear wheel weights on (deep snow) so as not to overload the auger your tractor where extra traction is needed. Refer to housing with snow. the table to the right to determine which kits will fit NEVER drive the tractor into a snow bank. The your tractor (tire dimensions are stamped into the snow thrower attachment is NOT a dozer plow. The sidewalls of your tractor’s tires). lift linkage and/or the snow thrower
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Adjust skid shoes as follows: 1. Loosen, but do NOT remove, the three hex nuts which fasten the skid shoe to the auger housing. 2. Raise or lower the skid shoe to desired position. NOTE: Make certain the entire base of both skid shoes are against the ground to avoid uneven wear on the skid shoes. When one side does wear out, the skid shoes are reversible. 3. Retighten the hex nuts loosened earlier. 4. Repeat this adjustment on the skid shoe found on the opposite side of the snow thrower. Engag
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Lower Chute Crank Support Bracket Adjustment If the spiral at the base of the lower chute crank isn’t Spiral fully engaging with the notches in the lower chute assembly, the support bracket can be adjusted inward or outward as follows: 1. Loosen, but do NOT remove the two hex nuts which secure the support bracket to the snow thrower housing. See Figure 22. 2. Adjust the support bracket inward or outward so that the spiral is fully engaged in the notches on the chute before retightening th
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NOTES 15
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Model 627 59 60 52 58 87 86 50 84 48 65 49 55 54 91 103 52 48 66 56 47 89 57 61 93 56 11 88 90 94 51 116 64 52 58 36 117 62 63 32 118 115 92 20 5 42 33 17 85 113 44 36 104 98 89 37 42 53 112 61 33 20 77 77 85 40 101 33 95 105 32 83 102 61 20 21 96 61 114 33 26 54 5 29 73 46 108 8 27 9 43 15 75 30 100 111 17 54 20 41 97 13 31 40 12 35 34 71 20 19 37 39 99 38 42 25 1 82 21 103 19 15 22 17 45 3 9 72 107 106 16 8 6 33 10 Hook Spring 77 7 Ref. 13 Here 14 32 110 109 2 70 4 69 79 74 32 68 23 14 24 76
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Model 627 REF. REF. NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 1 611-0132 Rod Assembly 60 736-0231 Flat Washer, .344 x 1.125 x .125 2 710-3131 Hex Cap Screw, 1/2-13 x 1.0 61 736-0242 Bell Washer, .34 x .872 3 710-0151 Hex Cap Screw, 3/8-24 x 2.0 62 736-0451 Saddle Washer, .32 x .93 4 710-0964A Hex Cap Screw, 5/8-18 x 1.31 63 746-0929 Chute Cable w/ Clip, 54.5” 5 710-0514 Hex Cap Screw, 3/8-16 x 1.0 64 746-0928 Chute Cable, 54.5” 6 711-0332 Clevis Pin, .5 x .78 65 784-5594 Cable Bracket 7
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Model 627 64 8 26 69 65 62 5 63 68 26 61 67 38 66 19 3 33 37 69 30 60 14 27 59 18 26 34 29 22 17 29 15 28 33 4 10 27 29 22 12 20 35 6 69 19 29 31 27 18 29 33 23 12 36 2 11 19 42 41 36 50 43 48 33 56 27 47 30 42 55 37 49 40 58 54 45 57 43 46 57 51 58 39 18
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Model 627 REF. REF. NO. PART NO. DESCRIPTION NO. PART NO. DESCRIPTION 1 05931 Bearing Housing, 1.85 ID 36 711-0469 Spacer, .75 x .125 x .5 2 618-0407 Auger Gear Case (Incl. Ref. 39-58) 37 784-5618 Hex Bearing Housing, 1.0 3 747-1257 Belt Keeper Rod 38 784-0402 Skid Plate 4 684-0065 Impeller Assembly, 12” 39 618-0123 RH Reducer Housing (Incl. Ref. 57, 58) 5 684-0148 Housing Assembly 40 618-0124 LH Reducer Housing (Incl. Ref. 57, 58) 6 703-2734 Housing Brace Bracket 41 703-2733 Housing Brace Plate
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MANUFACTURER’S LIMITED WARRANTY b. Routine maintenance items such as lubricants, filters, The limited warranty set forth below is given by MTD blade sharpening and tune-ups, or adjustments such PRODUCTS INC (“MTD”) with respect to new merchandise as brake adjustments, clutch adjustments or deck purchased and used in the United States, its possessions adjustments; and normal deterioration of the exterior and territories. finish due to use or exposure. c. Log splitter pumps, valves and cylinders h
