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Poulan Pro 177937 Owner's Manual

Poulan pro lawn tractor owner's manual
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IMPORTANT MANUAL
OWNER'S MANUAL
MODEL:
PRGT22H50B
LAWN TRACTOR
Always Wear Eye Protection During Operation
Do Not Throw Away
WARNING:
Read the Owner's Manual and follow
all Warnings and Safety Instructions.
Failure to do so can result in serious
injury.
177937 Rev. 4 06.28.01 RH
Printed in U.S.A.

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Summary of Contents for Poulan Pro 177937

  • Page 1 LAWN TRACTOR Always Wear Eye Protection During Operation Do Not Throw Away WARNING: Read the Owner's Manual and follow all Warnings and Safety Instructions. Failure to do so can result in serious injury. 177937 Rev. 4 06.28.01 RH 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 THROWING 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 3.5 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: 3.75 PINTS SPARK PLUG: CHAMPION RC12YC (GAP: .040") GROUND SPEED (MPH): FORWARD: 0 – 5.8 REVERSE: 0 –...

  • Page 5: Unassembled Parts

    UNASSEMBLED PARTS Steering Wheel Steering Steering Wheel Adapter Wheel Insert Seat (1) Washer 17/32 x 1-3/16 x 12 Gauge (1) Knob Mower (2) Front Link Assemblies (4) Retainer Springs (3) Retainer Springs (double loop) Steering Sleeve (4) Wheels Steering Sleeve Extension Adjusting (4) Locknut...

  • 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.
  • Page 7 INSTALL SEAT (See Fig. 3) Adjust seat before tightening adjustment knob. • Remove adjustment knob and flat washer securing seat to cardboard packing and set aside for assembly of seat to tractor. • Pivot seat upward and remove from the cardboard packing.

  • Page 8: Install Mower And Drive Belt

    TO ATTACH NOSE ROLLER (See Fig. 5) • Position brackets, 17/32 x 7/8 x 16 gauge washers, and nose roller between deck mounting brackets as shown. Be sure to position brackets on correct side, as shown. • Install hex bolts and lock nuts as shown. Tighten hardware securely.
  • Page 9 CHECK TIRE PRESSURE The tires on your tractor were overinflated at the factory for shipping purposes. Correct tire pressure is important for best cutting performance. • Reduce tire pressure to PSI shown in “PRODUCT SPECIFICATIONS” section of this manual. CHECK MOWER LEVELNESS For best cutting results, mower should be properly leveled.

  • Page 10: Operation

    These symbols may appear on your tractor or in literature supplied with the product. Learn and understand their meaning. BATTERY CAUTION OR WARNING ENGINE ON ENGINE OFF FUEL CHOKE ATTACHMENT REVERSE CLUTCH ENGAGED ATTACHMENT CLUTCH DISENGAGED IGNITION DANGER, KEEP HANDS AND FEET AWAY OPERATION REVERSE FORWARD...
  • Page 11 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 location of various controls and adjustments. Save this manual for future reference. THROTTLE CONTROL BRAKE PEDAL MOTION DRIVE BELT TENSION HANDLE...

  • Page 12: To Move Forward And Backward

    The operation of any tractor can result in foreign objects thrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields while operating your tractor or performing any adjustments or repairs. We recommend a wide vision safety mask over spectacles or standard safety glasses.

  • Page 13: To Operate On Hills

    TO ADJUST GAUGE WHEELS (See Fig. 9) Gauge wheels are properly adjusted when they are slightly off the ground when mower is at the desired cutting height in operating position. Gauge wheels then keep the deck in proper position to help prevent scalping in most terrain conditions.

  • Page 14: Before Starting The Engine

    BEFORE STARTING THE ENGINE CHECK ENGINE OIL LEVEL • The engine in your tractor has been shipped, from the factory, already filled with summer weight oil. • Check engine oil with tractor on level ground. • Remove oil fill cap/dipstick and wipe clean, reinsert the dipstick and screw cap tight, wait for a few seconds, remove and read oil level.

  • Page 15: Operation

    PURGE TRANSMISSION CAUTION: Never engage or disengage freewheel lever while the engine is running. To ensure proper operation and performance, it is recom- mended that the transmission be purged before operating tractor for the first time. This procedure will remove any trapped air inside the transmission which may have devel- oped during shipping of your tractor.

  • Page 16: Customer Responsibilities

    CUSTOMER RESPONSIBILITIES 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 Adjust Blade Belt(s) Tension Adjust Motion Drive Belt(s) Tension...

  • Page 17: Operator Presence System

    CUSTOMER RESPONSIBILITIES TRACTOR Always observe safety rules when performing any mainte- 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 Adjustments section of this manual).

  • Page 18: Clean Air Screen

    CUSTOMER RESPONSIBILITIES TO CLEAN BATTERY AND TERMINALS Corrosion and dirt on the battery and terminals can cause the battery to “leak” power. • Remove terminal guard. • Disconnect BLACK battery cable first then RED battery cable and remove battery from tractor. •...
  • Page 19 CUSTOMER RESPONSIBILITIES AIR FILTER (See Fig. 17) Your engine will not run properly using a dirty air filter. Clean the foam pre-cleaner after every 25 hours of operation or every season. Service paper cartridge every 100 hours of operation or every season, whichever occurs first. Service air cleaner more often under dusty conditions.

  • Page 20: Service And Adjustments

    SERVICE AND ADJUSTMENTS CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: • Depress brake pedal fully and set parking brake. • Place attachment clutch in “DISENGAGED” position. • Turn ignition key “OFF” and remove key. • Make sure the blades and all moving parts have completely stopped. •...

  • Page 21: To Replace Mower Drive Belt

    SERVICE AND ADJUSTMENTS FRONT-TO-BACK ADJUSTMENT (See Figs. 21 and 22) IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDE. To obtain the best cutting results, the mower housing should be adjusted so the front is approximately 1/8"...

  • Page 22: To Replace Motion Drive Belt

    SERVICE AND ADJUSTMENTS • Check secondary idler arm and idler to see that they rotate freely. • Be sure spring is hooked in secondary idler arm and sway-bar bracket. • Install new belt in lower groove of L.H. mandrel pulley, idler pulley, and center mandrel pulley as shown.
  • Page 23 SERVICE AND ADJUSTMENTS TRANSAXLE MOTION CONTROL LEVER NEUTRAL ADJUSTMENT (See Fig. 27) The motion control lever has been preset at the factory and adjustment should not be necessary. • Park tractor on level surface. Stop tractor by turning ignition key to “OFF” position and engage parking brake. •...
  • Page 24 SERVICE AND ADJUSTMENTS TO REMOVE WHEEL FOR REPAIRS FRONT WHEEL (See Fig. 30) • Block up axle securely. • Remove axle cover, retaining ring and washers to allow wheel removal. • Repair tire and reassemble. • Replace washers and snap retaining ring securely in axle groove.
  • Page 25 SERVICE AND ADJUSTMENTS KEPS NUT TERMINAL ACCESS DOOR TERMINAL GUARD FIG. 32 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 26 SERVICE AND ADJUSTMENTS ENGINE TO ADJUST THROTTLE CONTROL CABLE (See Fig. 35) The throttle control has been preset at the factory and adjustment should not be necessary. Check adjustment as described below before loosening cable. If adjustment is necessary, proceed as follows: •...

  • Page 27: 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. CAUTION: Never store the tractor with gasoline in the tank inside a building where fumes may reach an open flame or spark.

  • Page 28: Troubleshooting

    TROUBLESHOOTING POINTS PROBLEM CAUSE Will not start Out of fuel. Engine not “CHOKED” properly. Engine flooded. Bad spark plug. Dirty air filter. Dirty fuel filter. Water in fuel. Loose or damaged wiring. Carburetor out of adjustment. Engine valves out of adjustment. Extreme cold conditions.
  • Page 29 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 Worn, bent or loose blade. Mower deck not level. Buildup of grass, leaves, and trash under mower. Bent blade mandrel.
  • Page 30 SERVICE NOTES...
  • Page 31 TRACTOR - - MODEL NUMBER PRGT22H50B SCHEMATIC AMMETER (OPTIONAL) IGNITION SWITCH IGNITION SWITCH POSITION CIRCUIT “MAKE” M + G + A1 NONE ON + LIGHTS B + A1 L + A2 B + A1 NONE START B + S + A1 NONE WIRING INSULATED CLIPS NOTE: IF WIRING INSULATED...

  • Page 32: Repair Parts - Tractor

    REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B ELECTRICAL D .C...

  • Page 33: Repair Parts

    REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B ELECTRICAL PART DESCRIPTION 144926 Battery 74760412 Bolt Hex Head 1/4-20 x 3/4 7603J Tray, Battery 145211 Bolt Btr Frt 1/4-20 X 7.5 zinc 150109 Holdown Battery Front Mount 145769 Nut Push Nylon 1/4" 153664 Switch Interlock Push-In 166184...
  • Page 34 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B CHASSIS AND ENCLOSURES...
  • Page 35 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B CHASSIS AND ENCLOSURES PART DESCRIPTION 175465 Rail, Frame RH 175282 Drawbar, Gt 73680700 Nut, Crownlock 7/16-14Unc 163976X428 Dash 157882 Dash Asm., Lower 17720408 Screw, Thd Cut 1/4-20 x 1/2 145166 Support, Battery 175259X428 Hood Asm., Pnt 121794X Cover, Access...
  • Page 36 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B GROUND DRIVE 135 137...
  • Page 37 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B GROUND DRIVE PART DESCRIPTION - - - - - - - Transaxle Hydro Gear 331-3000 (Order Parts From Transaxle Manufacturer) 9396E Key Sq. 1/4 x 1/4 x 2 76020412 Pin, Cotter 140507 Wheel, Hub Assembly 140080 Bolt, Hub...
  • Page 38 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B STEERING ASSEMBLY 37,39 38,40...
  • Page 39 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B STEERING ASSEMBLY NOTE: All component dimensions given in U.S. inches PART DESCRIPTION 159944X428 Wheel, Steering 137094 Axle Asm., Front 6855M Fitting, Grease 161849 Spindle Asm, LH 161848 Spindle Asm., RH 6266H Bearing, Race Thrust Harden 121748X Washer 25/32 x 1-5/8 x 16 Ga.
  • Page 40 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B ENGINE SPARK ARRESTER KIT...
  • Page 41 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B ENGINE NOTE: All component dimensions given in U.S. inches PART DESCRIPTION - - - - - - - Engine Briggs, Model No. 407777 (Order parts from engine manuf.) 149723 Muffler Side 121361X Pulley V-Idler 177748 Keeper Asm.
  • Page 42 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B SEAT ASSEMBLY PART DESCRIPTION 173818 Seat 140551 Bracket, Pivot Seat 140675 Strap, Fender Asm. 127018X Bolt, Shoulder 5/16-18 x .62 145006 Clip, Push-In Hinged 73800600 Nut, Crownlock 3/8-16 124181X Spring, Seat Cprsn. 171877 Bolt 5/16-18 UNC x 3/4 w/Sems 174894...
  • Page 43 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B LIFT ASSEMBLY PART DESCRIPTION 121006X Rod Asm., Lever 159187 Shaft Asm., Lift Vgt 159189 Lever Asm., Lift Rh 12000022 E-Ring Truarc #5133-87 19292016 Washer 29/32 x 1-1/4 x 16 Ga. 71110624 Bolt, Fin Hex 3/8-16 x 1-1/2 125631X Grip, Handle Fluted 170770...
  • Page 44 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B MOWER DECK...
  • Page 45 REPAIR PARTS TRACTOR - - MODEL NUMBER PRGT22H50B MOWER DECK PART DESCRIPTION 156990X421 Deck Weldment 50" 73680500 Nut, Crownlock 5/16-18 138457 Bracket Asm., Sway Bar 4939M Retainer, Spring 130832 Arm Suspension, Rear 850857 Bolt 3/8-24 x 1.25 Gr. 8 Patched 10030600 Washer, Lock Hvy 3/8 Unplated 140296...
  • Page 46 106202X Reflector, Taillight 176651 Decal, Fender Auto Trans 138311 Decal, Handle Lift (Lift Handle) 133671 Pad Footrest 142342 Decal, Control Movement 177937 Manual, Owner's (English) 177938 Manual, Owner's (French) PART DESCRIPTION 59192 Cap, Valve, Tire 65139 Stem, Valve 106228X421 Rim Assembly, Front...
  • Page 47 SERVICE NOTES...
  • Page 48 SERVICE NOTES...
  • Page 49 SERVICE NOTES...

  • Page 50: Warranty

    The Manufacturer warrants to the original consumer purchaser that this product as manufactured is free from defects in materials and workmanship. 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 find to be defective due to materials or workmanship.
  • Page 51 SUGGESTED GUIDE FOR SIGHTING SLOPES FOR SAFE OPERATION SIGHTING GUIDE Operate your Tractor up and down the face of slopes (not greater than 15 ), never across the face. Make turns gradu- ally to prevent tipping or loss of control. Exercise extreme caution when changing direction on slopes.
  • Page 52 PARTS AND SERVICE...

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