MTD OEM-190-627 Operator's Manual
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MTD OEM-190-627 Operator's Manual

42-inch snow thrower attachment for 600-series lawn tractors
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Operator's Manual
42-inch Snow Thrower Attachment
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
FastAttach™ compatibility.
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
For 600-series Lawn Tractors
FORM NO. 770-10056A
(05/00)

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Summary of Contents for MTD OEM-190-627

  • Page 1 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 FastAttach™ compatibility. MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722 PRINTED IN U.S.A. FORM NO. 770-10056A (05/00)

  • Page 2: Calling Customer Support

    An example of what the model plate will look like is shown below. (Model Number) (Serial Number) MTD PRODUCTS INC CLEVELAND, OHIO 44136 If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of this unit, please call the Customer Support Department.

  • Page 3: Section 1: Important Safe Operation Practices

    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.
  • Page 4 Muffler and engine become hot and can cause a burn. Do not touch. Exercise extreme caution when operating on or crossing gravel surfaces. Stay alert for hidden hazards or traffic. Do not carry passengers. Exercise caution when changing direction and while operating on slopes.

  • Page 5: Section 2: To The Owner

    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™...

  • Page 6: Section 4: Assembly

    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.

  • Page 7: Attaching The Reflectors

    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.
  • Page 8 Attaching The Lift Handle 1. Remove the hex screws and flange nuts from the lower portion of the lift handle. 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.
  • Page 9 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.
  • Page 10 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 pulley found in the rear of the undercarriage assembly.

  • Page 11: Section 5: Controls

    SECTION 5: CONTROLS Engaging the Augers and Impeller Power to the snow thrower attachment is activated by lowering the tractor’s lift lever and placing it into the lowest notch possible. • Move the tractor’s throttle lever into the FAST (rabbit) position and allow it to remain there for the most efficient use of the snow thrower attachment.

  • Page 12: Section 7: Adjustments

    NOTE: None of the kits in the table are included as standard equipment with snow thrower attachment OEM-190-627. Call our Customer Support Department as instructed on page 2 of this manual for availability and information regarding these kits.
  • Page 13 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.

  • Page 14: Section 8: Lubrication

    Lower Chute Crank Support Bracket Adjustment If the spiral at the base of the lower chute crank isn’t 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.
  • Page 15 NOTES...
  • Page 16 Model 627 Hook Spring Ref. 13 Here...
  • Page 17 Model 627 REF. PART NO. 611-0132 Rod Assembly 710-3131 Hex Cap Screw, 1/2-13 x 1.0 710-0151 Hex Cap Screw, 3/8-24 x 2.0 710-0964A Hex Cap Screw, 5/8-18 x 1.31 710-0514 Hex Cap Screw, 3/8-16 x 1.0 711-0332 Clevis Pin, .5 x .78 712-0386A Slotted Hex Nut, 5/8-18 712-3022...
  • Page 18 Model 627...
  • Page 19 Model 627 REF. PART NO. 05931 Bearing Housing, 1.85 ID 618-0407 Auger Gear Case (Incl. Ref. 39-58) 747-1257 Belt Keeper Rod 684-0065 Impeller Assembly, 12” 684-0148 Housing Assembly 703-2734 Housing Brace Bracket 703-2735A Chute Crank Bracket 703-2736 Belt Cover 705-5226 Chute Reinforcer 705-5269 LH Spiral Auger, 40”...
  • Page 20 MANUFACTURER’S LIMITED WARRANTY The limited warranty set forth below is given by MTD PRODUCTS INC (“MTD”) with respect to new merchandise purchased and used in the United States, its possessions and territories. MTD warrants this product against defects in material and...

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