MTD 190-624 Operator's Manual
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MTD 190-624 Operator's Manual

MTD 190-624 Operator's Manual

45" snow thrower attachment
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O
M
PERATOR'S
ANUAL
45" Snow Thrower
Attachment
Model
190-624
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
FORM NO.770-0383B
(9/97)

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Summary of Contents for MTD 190-624

  • Page 1 PERATOR’S ANUAL 45” Snow Thrower Attachment Model 190-624 IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722 PRINTED IN U.S.A. FORM NO.770-0383B (9/97)

  • Page 2: Important Safe Operation Practices

    IMPORTANT SAFE OPERATION PRACTICES 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 YOUR SNOW THROWER ATTACHMENT.

  • Page 3: Section 1: Finding Your Model Number

    Operator’s Manual. The information on the model plate is very important if you need help from your dealer or the MTD customer support department. • Every snow thrower has a model plate. You can locate it by standing on the right side of the unit in the operating position and looking down at the auger housing next to the discharge chute.

  • Page 4: Section 3: Hardware Pack

    SECTION 3: HARDWARE PACK Lay out the hardware according to the illustration for identification purposes. Part numbers are shown. (Hardware pack may contain extra items which are not used on your unit.) (A) Attaching front frame ass’y and auger (H) Attaching the rear frame sections to the housing.

  • Page 5: Section 4: Loose Parts In Crate

    SECTION 4: LOOSE PARTS IN CRATE Remove snow thrower, all loose parts and hardware pack from crate. Be certain to remove all contents before discarding crate. •Snow thrower assembly • Discharge chute / tilt handle assembly •Front frame assembly • Helper springs (2) •Rear frame rails (2) •...
  • Page 6 2. Note: The offset hole in the rear tubing should be to the back of the unit and on the upper side. Front Offset Hole Lift Plate Front Tubing Rear Tubing Figure 5 3. Secure the front tubing assemblies to the rear Hex Bolt (F) 3/4"...
  • Page 7 ATTACHING THE CHUTE TILT HANDLE AND CHUTE CRANK (Hardware F) Cable Tie 1. Routing the tilt handle cables along the inside of the chute crank support tube, install the chute Tilt Handle Carriage Bolts tilt handle assembly on the support tube using Cables the carriage bolts and hex flange lock nuts.
  • Page 8 ATTACHING THE GUIDE BRACKET (Hardware K) Rear Hole in Front Bracket Front Bracket Guide Bracket Figure 12 Assembly 4. Adjust the chute crank mounting bracket so the Internal spiral of the chute crank fully engages the teeth Cotter Pins of the discharge chute, but still allows the chute Front of Tractor crank rod to be easily turned, then tighten the hex insert lock nuts.
  • Page 9 ATTACHING SNOW THROWER TO THE 5. Remove the engine pulley belt guard by either unscrewing the belt guard release and swinging TRACTOR (Hardware L) the engine pulley belt guard out of the way (see 1. Remove the internal cotter pins on tractor rear Figure 17A), or removing the two long hex bolts hitch rod.
  • Page 10 Hex Bolt Use This Hole Lock Washer Hex Nut Rear Hanger Bracket Flat Washer Hex Bolt Lock Washer Hex Nut Clevis Internal Cotter Carriage Bracket Figure 20 Assembly Figure 18 7. Place belt from carriage bracket assembly over the engine pulley and around idler pulley as shown in Figure 18.
  • Page 11 NOTE: Place belleville washers underneath helper spring To aid in assembly of lift bracket pins, use brackets (cupped side of washer goes against the a block of wood to help lift tubing assembly for hole bracket). Thread the full thread hex bolts through alignment.

  • Page 12: Section 7: Controls

    SECTION 7: CONTROLS The snow thrower controls are conveniently located DISCHARGE CHUTE CONTROL CRANK at the operator’s position on the tractor. The discharge chute control crank is located on the left hand side of the snow thrower. The chute crank controls the direction in which snow is thrown.

  • Page 13: Section 9: Adjustments

    DEEP OR DRIFTED SNOW OPERATING TIPS In deep, drifted, or banked snow, it will be necessary to use full throttle and first speed. Drive 1. Whenever possible, discharge snow downwind. the spiral into the snow, disengage clutch and allow 2. Do not attempt to remove ice or hard packed spiral to clear the snow.

  • Page 14: Section 10: Maintenance

    SECTION 10: MAINTENANCE The shave plate and skid shoes on the bottom of ice jam, the snow thrower is designed so that the the snow thrower are subject to wear. They should hex bolts will shear. checked periodically replaced when If the augers will not turn, check to see if the hex necessary.

  • Page 15: Section 12: Illustrated Parts

    SECTION 12: Illustrated Parts REF. PART REF. PART QTY. DESCRIPTION QTY. DESCRIPTION 17304 Lift Asm:Deck Link:Front 714-0101 Pin:Cot:Int .08 x 1.42 684-0110 Brkt Asm:Hsg. 714-0147 Pin:Cot:.125 x 1.75 Internal 703-2869 Cvr:Belt 732-0813 Spr:Extn:1.25 O.D. x 7.25 703-2870 Brkt:Cvr:Belt 736-0119 Wash:Lock:5/16:Regular Duty 710-0182 HHCS:1/2-13:3.00:GR5:Std.

  • Page 16: Drive Assembly

    DRIVE ASSEMBLY REF. PART QTY. DESCRIPTION 684-0113 Box Asm:Spkt. 710-0521 HHCS:3/8-16:3.00:Gr8:Std. 710-0696 HHCS:3/8-24:.875:Gr8:Std. 712-0116 Nut:Jam:3/8-24:Ins Lock 712-0266 Hex Cent L-Jam Nut 3/8-16 712-3017 Hx. Nut:3/8-16:GrB: 732-0491 Spring:Extn:.87 Dia. x 6.00 Lg. 736-0169 Wash:Lock:3/8:Regular Dh 736-0235 Flat Wash. .406 I.D. x 1.25 O.D. 736-0247 Flat Wash.
  • Page 17 CARRIAGE ASSEMBLY REF. PART REF. PART QTY. DESCRIPTION QTY. DESCRIPTION 05406 Belt Guard 736-0119 Wash:Lock: 5/16:Regular Duty 14088B Plt:Spdl:Spcr. 736-0169 Wash:Lock:3/8:Regular Duty 15297A Open Brg. Housing 1.85 736-0247 Flat Washer .406 I.D. x 1 1/4 O.D. 710-0591 HHCS:3/8-24:1.00:Gr.5:Lock 736-0329 Wash:Lock:1/4:Regular Duty 710-0624 HHCS:5/16-24:1.50:Gr.5:Std.
  • Page 18 UPPER CHUTE AND CHUTE CONTROLS 28 30 REF. PART REF. PART QTY. DESCRIPTION QTY. DESCRIPTION 784-5604 Hndl:Tilt:Chute 720-0232 Knob:Shift:1.60 O.D. x 1.56 784-5594 Cable Bracket 720-0201A Knob:Crk:1.00 Dia. x 3.2 Chute 784-5401 CHute Crank Assy.18.0 Lg. - RH 715-0138 Pin:Roll:1/8 O.D. :.63 784-5149 Block Ass’y:Joint 715-0129...
  • Page 19 BLOWER ASSEMBLY 22 22 24 34 REF. PART REF. PART QTY. DESCRIPTION QTY. DESCRIPTION 784-5710 Plt:Supt. 710-0451 Bolt:Car:5/16-18:.75 710-0520 HHCS:3/8-16:1.50:Gr.5:Std. 741-0494 Bush:Flg:1.05 I.D. x 1.16 O.D. 741-0192 Brg:Flg:w/Flats 710-0726 Scr:AB:5/16-12:0:.750: HxIndWsh 710-3015 HHCS:1/4-20:.75:Gr.5:Std. 738-0492 Spiral Axle 1.00 X 44.12 736-0270 Wash:Bell:.265 x .75 x .062 710-3168 Bolt:Carr:3/8-16...
  • Page 20 AUGER GEAR ASSEMBLY REF. PART QTY. DESCRIPTION 618-0247 Auger Housing Ass’y, L.H. 618-0246 Auger Housing Ass’y, R.H. 710-1260 Scr. TT HxWash. 5/16-18:.75” Lg. 711-1097 Auger Input Shaft 714-0126 Key, Hi Pro 3/16 x 3/4 Dia. 714-0135 Key, Woodruff #91:1/4 x 3/4 716-0111 Retaining Ring 717-0299...

  • Page 21: Manufacturer's Limited Warranty

    MANUFACTURER’S LIMITED WARRANTY For TWO YEARS from the date of retail purchase States of America, its possessions and territories, within the United States of America, its possessions except those sold through the manufacturer’s and territories, the manufacturer will, at its option, authorized channels of export distribution.

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