McCulloch MC175H42ST Owner's Manual
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McCulloch MC175H42ST Owner's Manual

McCulloch MC175H42ST Owner's Manual

17.5 hp 42 inch lawn tractor
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MODEL NO. MC175H42ST (MC175H42STA)
17.5 HP 42 Inch
Lawn Tractor
For Parts and Service, contact our authorized distributor: call 1-800-849-1297
For Technical Assistance: call 1-800-829-5886
193194 Rev. 1 09.20.04 MH/TR
PRINTED IN U.S.A.

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  • Page 1 MODEL NO. MC175H42ST (MC175H42STA) 17.5 HP 42 Inch Lawn Tractor For Parts and Service, contact our authorized distributor: call 1-800-849-1297 For Technical Assistance: call 1-800-829-5886 193194 Rev. 1 09.20.04 MH/TR PRINTED IN U.S.A.

  • Page 2: General Operation

    Safe Operation Practices for Ride-On Mowers IMPORTANT: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROW ING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH. WARNING: In order to prevent ac- ci den tal starting when setting up, trans port ing, ad just ing or making re- pairs, al ways dis con nect spark plug...
  • Page 3 Safe Operation Practices for Ride-On Mowers III. CHILDREN Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the ma chine and the mowing activity. Never assume that children will remain where you last saw them. •...

  • Page 4: Table Of Contents

    PRODUCT SPECIFICATIONS GASOLINE CAPACITY 2.0 GALLONS AND TYPE: UNLEADED REGULAR OIL TYPE (API-SG-SL): SAE 30 (above 32°F) SAE 5W-30 (below 32°F) OIL CAPACITY: W/ FILTER W/O FILTER 3.0 PINTS SPARK PLUG: CHAMPION RC12YC (GAP: .030") GROUND SPEED (MPH): FORWARD: REVERSE: TIRE PRESSURE: FRONT: REAR:...

  • Page 5: Unassembled Parts

    UNASSEMBLED PARTS Steering Wheel Steering Boot Steering Wheel Adapter (1) Large Flat Washer (1) Hex Bolt 1/4-28 x 1-1/4 (1) Washer Steering Wheel 17/32 x 1-3/16 x 12 Gauge Insert Steering Extension Shaft (1) Locknut 1/2-20 (1) Locknut 1/4-28 Seat (1) Knob (2) Keys (1) Oil Drain Tube...

  • Page 6: Tools Required For Assembly

    Your new tractor has been assembled at the factory with exception of those parts left unassembled for shipping purposes. To ensure safe and proper operation of your tractor all parts and hardware you assemble must be tightened securely. Use the correct tools as necessary to insure proper tightness. TOOLS REQUIRED FOR ASSEMBLY A socket wrench set will make assembly easier.
  • Page 7 SEAT PAN 02617 FLAT WASHER ADJUSTMENT KNOB FIG. 2 CONNECT BATTERY (See Figs. 3 and 4) CAUTION: Do not short battery termi- nals by allowing a wrench or any other object to contact both terminals at the same time. Before connecting battery, remove metal bracelets, wristwatch bands, rings, etc.

  • Page 8: Assembly

    • Sit on seat in operating position, depress clutch/brake pedal and set the parking brake. • Place motion control lever in neutral (N) position. • Press lift lever plunger and raise attachment lift lever to its highest position. • Start the engine. After engine has started, move throttle control to idle position.

  • Page 9: Operation

    These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. REVERSE NEUTRAL LIGHTS ON ENGINE ON ENGINE OFF OIL PRESSURE OVER TEMP FUEL LIGHT ATTACHMENT ATTACHMENT CLUTCH ENGAGED CLUTCH DISENGAGED FREE WHEEL (Automatic Models only) Failure to follow instructions could result in serious injury or...

  • Page 10: Know Your Tractor

    KNOW YOUR TRACTOR READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR Compare the illustrations with your tractor to familiarize yourself with the locations of various controls and ad just ments. Save this manual for future reference. THROTTLE/CHOKE CONTROL CLUTCH/BRAKE PEDAL...
  • Page 11 The operation of any tractor can result in foreign objects thrown into the eyes, which can result in severe eye dam age. Always wear safety glass es or eye shields while op- erating your tractor or per form ing any adjustments or repairs. We rec om mend a wide vision safety mask over spectacles or stan dard safety glasses.

  • Page 12: To Operate On Hills

    • Adjust mower to desired cutting height (See “TO AD- JUST MOWER CUT TING HEIGHT” in the Operation sec tion of this manual). • With mower in desired height of cut po si tion, gauge wheels should be assembled so they are slightly off the ground.

  • Page 13: Before Starting The Engine

    TOWING CARTS AND OTHER AT TACH MENTS Tow only the attachments that are recommended by and comply with specifi cations of the manufacturer of your trac- tor. Use common sense when towing. Too heavy of a load, while on a slope, is dangerous. Tires can lose traction with the ground and cause you to lose control of your tractor.

  • Page 14: Operation

    • Disengage transmission by placing freewheel control in freewheeling position (See “TO TRANSPORT” in this section of manual). • Sitting in the tractor seat, start engine. After the engine is running, move throttle control to slow position. With motion control lever in neutral (N) po si tion, slowly dis- engage clutch/brake pedal.

  • Page 15: Maintenance Schedule

    MAINTENANCE SCHEDULE FILL IN DATES AS YOU COMPLETE REGULAR SERVICE Check Brake Operation Check Tire Pressure Check Operator Presence and Interlock Systems Check for Loose Fasteners Sharpen/Replace Mower Blades Lubrication Chart Check Battery Level Clean Battery and Terminals Check Transaxle Cooling Check V-Belts Check Engine Oil Level Change Engine Oil (with oil filter)

  • Page 16: Operator Presence System

    TRACTOR Always observe safety rules when performing any main- te nance. BRAKE OPERATION If tractor requires more than fi ve (5) feet to stop at highest speed in high est gear on a level, dry concrete or paved surface, then brake must be checked and ad just ed. (See “TO ADJUST BRAKE”...

  • Page 17: Clean Air Screen

    • Disconnect BLACK battery cable fi rst then RED bat- tery cable and remove battery from tractor. • Rinse the battery with plain water and dry. • Clean terminals and battery cable ends with wire brush until bright. • Coat terminals with grease or petroleum jelly. •...
  • Page 18 CLEAN AIR INTAKE/COOLING AREAS To insure proper cooling, make sure the grass screen, cooling fi ns, and other external surfaces of the engine are kept clean at all times. Every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the blower housing and other cooling shrouds.

  • Page 19: Service And Adjustments

    SERVICE AND ADJUSTMENTS WARNING: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SER VICE OR AD JUST - MENTS: • Depress clutch/brake pedal fully and set parking brake. • Place motion control lever in neutral (N) position. • Place attachment clutch in “DISENGAGED” position. •...

  • Page 20: To Replace Mower Blade Drive Belt

    SERVICE AND ADJUSTMENTS SIDE-TO-SIDE ADJUSTMENT (See Figs. 19 and 20) • Raise mower to its highest position. • At the midpoint of both sides of mower, measure height from bot tom edge of mower to ground. Distance “A” on both sides of mower should be the same or within 1/4"...

  • Page 21: To Replace Motion Drive Belt

    SERVICE AND ADJUSTMENTS TO CHECK BRAKE • Park tractor on a level, dry concrete or paved surface, depress clutch/brake pedal all the way down and en- gage parking brake. • Disengage transmission by placing freewhel control in “transmission disengaged” position. Pull freewheel con trol out and into the slot and release so it is held in the disengaged position.
  • Page 22 SERVICE AND ADJUSTMENTS MOTION CONTROL LEVER FIG. 26 TRANSMISSION REMOVAL/REPLACEMENT Should your transmission require removal for service or replacement, it should be purged after reinstallation and before operating the tractor. See “PURGE TRANS MIS SION” in the Operation section of this manual. TO AD JUST STEER ING WHEEL ALIGN- MENT If steering wheel crossbars are not horizontal (left to right)
  • Page 23 SERVICE AND ADJUSTMENTS TO REMOVE HOOD AND GRILL ASSEMBLY (See Fig. 29) • Raise hood. • Unsnap headlight wire connector. • Stand in front of tractor. Grasp hood at sides, tilt toward engine and lift off of tractor. • To replace, reverse above procedure. HOOD 02778 FIG.

  • Page 24: Engine Fuel System

    Immediately prepare your tractor for storage at the end of the season or if the tractor will not be used for 30 days or more. WARNING: Never store the trac tor with gas o line in the tank inside a building where fumes may reach an open fl...

  • Page 25: Trou Ble Shoot Ing

    TROUBLESHOOTING POINTS PROBLEM CAUSE Will not start Out of fuel. Engine not “CHOKED” properly. Engine fl ooded. Bad spark plug. Dirty air fi lter. Dirty fuel fi lter. 7. Water in fuel. Loose or damaged wiring. Carburetor out of adjustment. Engine valves out of adjustment.
  • Page 26 TROUBLESHOOTING POINTS PROBLEM CAUSE Engine continues to run Faulty operator-safety presence control system. when operator leaves seat with attachment clutch engaged Poor cut - uneven 1. Worn, bent or loose blade. Mower deck not level. Buildup of grass, leaves, and trash under mower. Bent blade mandrel.
  • Page 27 TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 SCHEMATIC AMMETER (OPTIONAL) WHITE IGNITION SWITCH IGNITION SWITCH POSITION CIRCUIT “MAKE” WIRING INSULATED CLIPS M+G+A1 NONE NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR RUN/LIGHT B+A1 A2+L SERVICING OF UNIT, THEY SHOULD BE REPLACED TO PROPERLY SECURE YOUR WIRING.

  • Page 28: Repair Parts - Tractor

    TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 ELECTRICAL D .C 179720...
  • Page 29 TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 ELECTRICAL PART DESCRIPTION 532 16 34-65 Battery 874 76 04-12 Bolt Hex Hd 1/4-20 unc x 3/4 532 17 66-89 Box Battery 532 17 61-38 Switch Interlock Push-In...

  • Page 30: Chassis And Enclosures

    TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 CHASSIS AND ENCLOSURES chassis_elite sv_pro_11...
  • Page 31 TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 CHASSIS AND ENCLOSURES PART DESCRIPTION 532 17 46-19 Chassis Stamping 532 17 65-54 Drawbar 532 15 52-72 Bumper Hood/Dash 532 19 32-65 Dash 872 14 06-08 Bolt Carriage 3/8-16 x 1...
  • Page 32 TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 DRIVE drive-hydro.stlt_61...
  • Page 33 TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 DRIVE PART DESCRIPTION - - - - - - - - Transaxle Hydro Gr 314-0510 (Order parts from transaxle manu- facturer) 532 16 58-66 Rod Shift Fender STLT...

  • Page 34: Steering Assembly

    TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 STEERING ASSEMBLY steering_pl.lt_47...
  • Page 35 TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 STEERING ASSEMBLY PART DESCRIPTION 532 18 59-58 Wheel Steering 532 18 47-06 Axle 532 16 98-40 Spindle Asm LH 532 16 98-39 Spindle Asm RH 532 12 49-31 Bearing Race Thrust Harden 532 12 17-48 Washer 25/32 x 1-5/8 x 16 Ga.

  • Page 36: Optional Equipment

    TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 ENGINE OPTIONAL EQUIPMENT Spark Arrester PART DESCRIPTION 532 17 05-51 Control Throttle/Choke 817 72 04-08 Screw Hex Thd Cut 1/4-20 x 1/2 - - - - - - - - Engine Briggs Model No.
  • Page 37 TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 SEAT ASSEMBLY seat_lt.knob_9 PART DESCRIPTION 532 18 87-05 Seat 532 18 01-66 Bracket Pivot Seat 871 11 06-16 Bolt Fin Hex 3/8-16 unc x 1 819 13 16-10 Washer 13/32 x 1 x 10 Ga.

  • Page 38: Wheels And Tires

    TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 DECALS PART DESCRIPTION 532 16 88-69 Decal Tick Mark 532 17 35-89 Decal LH Refl ector 532 19 32-03 Decal Hood 532 17 35-87 Decal RH Refl ector...
  • Page 39 TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 MOWER LIFT PART DESCRIPTION 532 15 94-61 Wire Asm Inner W/plunger 532 15 94-76 Shaft Asm Lift 532 18 88-22 Pin Groove 812 00 00-02 E Ring #5133-62 819 21 16-21 Washer 21/32 x 1 x 21 Ga.

  • Page 40: Mower Deck

    TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 MOWER DECK 42_D_man-t-path_stlt_3...
  • Page 41 TRACTOR - - MODEL NO. MC175H42ST (MC175H42STA), PRODUCT NO. 964 77 30-00 MOWER DECK PART DESCRIPTION 532 16 58-92 Deck Asm MWR 42"weldment 872 14 05-06 Bolt Rdhd Sqnk 5/16-18 unc x 3/4 532 13 80-17 Bracket Asm Fr Sway Bar 38/42 532 16 54-60 Bracket Asm Deck 42"sway Bar...

  • Page 42: Service Notes

    SERVICE NOTES...

  • Page 43: Suggested Guide For Sighting Slopes For Safe Operation

    SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION WARNING: To avoid serious injury, operate your tractor up and down the face of slopes, never across the face. Do not mow slopes greater than 15 degrees. Make turns gradually to prevent tipping or loss of control.

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