Poulan Pro 187570 Owner's Manual
Poulan Pro 187570 Owner's Manual

Poulan Pro 187570 Owner's Manual

15 hp 38 inch lawn tractor

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MODEL NO. PO1538D
15 HP 38 Inch
Lawn Tractor
For Parts and Service, contact our authorized distributor: call 1-800-849-1297
For Technical Assistance: call 1-800-829-5886
187570 3.5.03 MH
PRINTED IN U.S.A.

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Summary of Contents for Poulan Pro 187570

  • Page 1 MODEL NO. PO1538D 15 HP 38 Inch Lawn Tractor For Parts and Service, contact our authorized distributor: call 1-800-849-1297 For Technical Assistance: call 1-800-829-5886 187570 3.5.03 MH PRINTED IN U.S.A.
  • Page 2: Safety Rules

    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. I. GENERAL OPERATION • Read, understand, and follow all instructions in the manual and on the machine before starting.
  • Page 3 Safe Operation Practices for Ride-On Mowers • Be sure the area is clear of other people before mowing. Stop machine if anyone enters the area. • Never carry passengers or children even with the blades off. • Do not mow in reverse unless absolutely necessary. Al ways look down and behind before and while backing.
  • Page 4: Table Of Contents

    PRODUCT SPECIFICATIONS GASOLINE CAPACITY 1.25 GALLONS AND TYPE: UNLEADED REGULAR OIL TYPE (API-SF-SJ): SAE 30 (above 32°F) SAE 5W-30 (below 32°F) OIL CAPACITY: W/ Filter W/O Filter SPARK PLUG: CHAMPION RC12YC (GAP: .030") GROUND SPEED (MPH): FORWARD: 2nd 2.2 3rd 3.4 REVERSE: TIRE PRESSURE: FRONT:...
  • Page 5: Unassembled Parts

    UNASSEMBLED PARTS Steering Wheel Seat (1) Washer 17/32 x 1-3/16 x 12 Gauge (1) Lock Washer 1/2 Steering Wheel Insert Steering Boot Steering (1) Bolt Extension Shaft Steering Wheel Adapter (1) Oil Drain Tube For Future Use Keys (2) Keys Slope Sheet (1) Locknut 1/2-20 (1) Large Flat Washer...
  • Page 6: 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: How To Set Up Your Tractor

    HOW TO SET UP YOUR TRACTOR INSTALL SEAT (See Fig. 2) Adjust seat before tightening adjustment bolt. • Remove adjustment bolt, lock washer and fl at washer se cur ing seat to cardboard packing and set aside for as sem bly of seat to tractor. •...
  • Page 8 CHECK TIRE PRESSURE The tires on your tractor were overinfl ated at the factory for shipping purposes. Correct tire pressure is important for best cutting performance. • Reduce tire pressure to PSI shown in “PRODUCT SPEC I FI CA TIONS” section of this manual. CHECK DECK LEVELNESS For best cutting results, mower housing should be properly leveled.
  • 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 FUEL OVER TEMP 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 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: How To Use Your Tractor

    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: Check Engine Oil Level

    TO OPERATE MOWER (See Fig. 6) Your tractor is equipped with an operator presence sens ing switch. Any attempt by the operator to leave the seat with the engine running and the attachment clutch engaged will shut off the engine. •...
  • Page 13: Operation

    CAUTION: Alcohol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to sep a ra tion and for ma tion of acids during stor- age. Acidic gas can damage the fuel system of an engine while in storage.
  • Page 14: 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 15: Maintenance

    TRACTOR Always observe safety rules when performing any main- te nance. BRAKE OPERATION If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake must be adjusted. (See “TO ADJUST BRAKE” in the Service and Ad just ments section of this manual).
  • Page 16 BATTERY Your tractor has a battery charging system which is suf fi cient for normal use. However, periodic charging of the battery with an automotive charger will extend its life. • Keep battery and terminals clean. • Keep battery bolts tight. •...
  • Page 17: Clean Air Screen

    CLEAN AIR SCREEN Air screen must be kept free of dirt and chaff to prevent engine dam age from overheating. Clean with a wire brush or compressed air to re move dirt and stubborn dried gum fi bers. ENGINE COOLING FINS (See Fig. 12) Remove any dust, dirt or oil from engine cooling fi...
  • Page 18 MUFFLER Inspect and replace corroded muffl er and spark arrester (if equipped) as it could create a fi re hazard and/or dam- age. SPARK PLUGS Replace spark plugs at the beginning of each mowing season or after every 100 hours of operation, whichever occurs fi...
  • Page 19: Service And Adjustments

    SERVICE AND ADJUSTMENTS WARNING: TO AVOID SE RI OUS IN JU RY, BEFORE PERFORMING ANY SERVICE OR ADJUST- MENTS: • Depress clutch/brake pedal fully and set parking brake. • Place gearshift lever in neutral (N) position. • Place attachment clutch in “DISENGAGED” position. •...
  • Page 20: To Level Mower Housing

    SERVICE AND ADJUSTMENTS TO LEVEL MOWER HOUSING Adjust the mower while tractor is parked on level ground or driveway. Make sure tires are properly infl ated (See “PROD UCT SPECIFICATIONS” section of this manual). If tires are over or underinfl ated, you will not properly adjust your mower.
  • Page 21 SERVICE AND ADJUSTMENTS R.H. SUSPENSION ARM MANDREL PULLEY RETAINER SPRING MANDREL PULLEY FIG. 20 TO CHECK AND ADJUST BRAKE (See Fig. 21) Your tractor is equipped with an ad just able brake system which is mounted on the right side of the transaxle. If tractor requires more than fi...
  • Page 22 SERVICE AND ADJUSTMENTS TO REMOVE WHEEL FOR REPAIRS (See Fig. 23) • Block up axle securely. • Remove axle cover, retaining ring and washers to allow wheel removal (rear wheel contains a square key - Do not lose). • Repair tire and reassemble. •...
  • Page 23 SERVICE AND ADJUSTMENTS TO REPLACE HEADLIGHT BULB • Raise hood. • Pull bulb holder out of the hole in the backside of the grill. • Replace bulb in holder and push bulb holder securely back into the hole in the backside of the grill. •...
  • Page 24: Storage

    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: Trou Ble Shoot Ing

    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: Schematic

    TRACTOR - - MODEL NUMBER PO1538D SCHEMATIC AMMETER (OPTIONAL) WHITE IGNITION SWITCH IGNITION SWITCH POSITION CIRCUIT “MAKE” M+G+A1 NONE RUN/LIGHT B+A1 A2+L B+A1 NONE START B + S + A1 NONE BATTERY FUSE CLUTCH / BRAKE (PEDAL UP) WHITE BLACK BLACK ATT'MENT CLUTCH BLACK...
  • Page 28: Repair Parts

    REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D ELECTRICAL...
  • Page 29 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D ELECTRICAL PART DESCRIPTION 163465 Battery 74760412 Bolt Hex Hd 1/4-20unc X 3/4 176689 Box Battery 176138 Switch Interlock 175685 Harness Asm Light W/4152j 4152J Bulb Light #1156 4799J Cable Battery 6 Ga 11"red 146147 Cable Battery 175158...
  • Page 30 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D CHASSIS chassis-pl.lt_34...
  • Page 31 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D CHASSIS NOTE: All component dimensions given in U.S. inches PART DESCRIPTION 174620 Chassis 176554 Drawbar, Stretch 17060612 Screw 3/8-16 x 3/4 155272 Bumper, Hood/Dash 174643X014 Saddle Silkscreen 155138 Clip Retainer Slide-On 168347X011 Dash 72140608 Bolt, Carriage 3/8-16 x 1 174996...
  • Page 32 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D DRIVE drive-saddle_25...
  • Page 33 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D DRIVE PART DESCRIPTION - - - - - - - Transaxle Dana Model D4360-139 (Order parts from transaxle manu- facturer) 146682 Spring Return Brake 123666X Pulley Transaxle 18"tires 12000028 Ring Retainer # 5100-62 121520X Strap Torque 30 Degrees RH 17060512...
  • Page 34 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D STEERING...
  • Page 35 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D STEERING NOTE: All component dimensions given in U.S. inches PART DESCRIPTION 140044X428 Wheel Steering 175131 Axle Asm 169840 Spindle Asm LH 169839 Spindle Asm RH 6266H Bearing Race Thrust Harden 121748X Washer 25/32 x 1-5/8 x 16 Ga 19272016 Washer 27/32 x 1-1/4 x 16 Ga 12000029...
  • Page 36: Optional Equipment

    REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D ENGINE OPTIONAL EQUIPMENT Spark Arrester PART DESCRIPTION 170551 Control Th/ch Flag 17720408 Screw Hex Thd Cut 1/4-20 x 1/2 - - - - - - - - Engine, B&S 282H07 (Order parts from engine manufac- turer) 137352 Muffl...
  • Page 37 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D SEAT PART DESCRIPTION 127426X Seat 140551 Bracket Seat Pivot 71110616 Bolt Hex 3/8 - 16 X 1 19131610 Washer 13/32 X 1 X10Ga. 145006 Clip Push-In Hinged 73800600 Nut Lock Hex w/Ins 3/8 - 16 124181X Spring Seat Cprsn 2 250 Blk Zi 17000616...
  • Page 38 172200 Decal, Fender 5 Sp. 158166 Decal Fender WHEELS & TIRES 4,10 PART 181552 181553 145005 157163 136832 138311 187570 187571 PART 59192 65139 106222X 59904 106732X624 Rim assembly, 6"front 278H 9040H 106108X624 Rim assembly, 8" rear 124635X 7152J 104757X428 Cap, Hub Axle 144334 NOTE: All component dimensions given in U.S.
  • Page 39 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D MOWER LIFT PART DESCRIPTION 159460 Wire Asm Inner/Sprg w/plunger 159471 Shaft Asm Lift RH 105767X Pin Groove 1 500 Zinc 12000002 E Ring #5133-62 19211621 Washer 21/32 X 1 X 21 Ga 120183X Bearing Nylon Blk 629 Id 109413X...
  • Page 40 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D MOWER DECK 153 154...
  • Page 41 REPAIR PARTS TRACTOR - - MODEL NUMBER PO1538D MOWER DECK PART DESCRIPTION 170280 Mower Housing Assembly 72140506 Bolt Carriage 5/16-18 x 3/4 138017 Bracket Asm Fr. Sway Bar 169970 Bracket Deck Sway Bar 38"/42" 4939M Retainer Spring 178024 Bar Sway Deck 850857 Bolt 3/8-24 x 1.25 Grade 8 10030600...
  • Page 42: Warranty

    The Manufacturer warrants to the original consumer purchaser that this product as manufactured is free from defects in materi- als and work man ship. For a period of two (2) years from date of purchase by the original consumer purchaser, we will repair or replace, at our option, without charge for parts or labor incurred in replacing parts, any part which we fi...
  • Page 43 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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Po1538d

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