BigDog Stout MP series Operator's Manual
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BigDog Stout MP series Operator's Manual

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Summary of Contents for BigDog Stout MP series

  • Page 3: Table Of Contents

    Table of Contents General Information ........1-1 To The New Owner .
  • Page 4 Engine Air Filter ........4-5 General Engine Maintenance .

  • Page 5: General Information

    1. Correct part description. 2. Correct part number. General operation, adjustment and maintenance guidance is 3. Correct model number. outlined for both the experienced and novice BigDog ® Mowers 4. Correct serial number. user. Operating conditions vary considerably and cannot all be All warranty repair and service must be handled through an addressed individually.
  • Page 6 WARNING WARNING The engine exhaust from this product contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. NOTICE OF REQUIREMENT OF SPARK ARRESTER MUFFLER This equipment may create sparks that can start fires around dry vegetation. California Public Resources Code Section 4442.6 provides that it is unlawful to use or operate an internal combustion engine on any forest-covered, brush-covered, or grass-covered land unless the engine is equipped with a spark arrester maintained in effective working order.

  • Page 7: Safety Precautions

    SAFETY PRECAUTIONS • It is also the owner’s responsibility to make certain that the operators and mechanics are qualified and physically able individuals, properly trained in the operation of this equipment. • All operators and mechanics must become familiar with the safe operation of the equipment, operator controls and decals.
  • Page 8 602041 Part Number 602041 601967 WARNING: • Keep a safe distance from the machine. Hot surface! WARNING: Fire! • Clean flammable material from machine. Prevent fires by keeping engine compartment, top of deck, Part Number 601967 exhaust area, battery, fuel line, fuel Part Number 600899 tank and operator’s station clean of accumulated trash, grass clippings,...
  • Page 9 Part Number 601635 WARNING: Read Operator’s Manual and decals before attempting to operate this machine. WARNING: This structure’s protective capability may be impaired by structural damage, overturn, or alteration. If any of these conditions occur, this structure must be replaced. WARNING: Roll over! •...
  • Page 10 Part Number 601993 WARNING: Read Operator’s Manual and decals before attempting to operate this machine. WARNING: Roll over! • Mow a safe distance (minimum of 10 feet) away from drop-offs, retaining walls, drainage ditches, embankments, water, and other types of hazards to avoid a wheel dropping over the edge or to avoid the ground from breaking away.
  • Page 11 Part Number 602468 602468 Fast Read Operator’s Manual before attempting to operate Slow this machine. Choke Before starting the engine: Mower blade engage/disengage switch • Read Owner’s Manual Ignition switch - insert key • Disengage mower blades • Place control levers in park brake position If warning light comes on, check engine oil Engine start position For maximum electric clutch life engage at 1/2 - 3/4...
  • Page 12 REV A 605229...
  • Page 13 Slope Guide Use this diagram when determining the degree of slope to be mowed. E (15 Slope Guide Lines D (10 C (5 Line A 1. Hold this sheet of paper in front of you. Make sure that Line A is horizontal. 2.
  • Page 14 REV A 605229...

  • Page 15: Operation

    OPERATION  Do not operate the equipment while wearing sandals, ten- Safe Operating Practices nis shoes, sneakers, shorts or any type of loose fitting clothing. Do not use a towel as a headband or neck wrap This product is capable of amputating hands and feet and and do not hang a towel from the waist.

  • Page 16: Using A Ramp

     Do not exceed a 15 degree angle between the ramp and cause serious physical injury. the ground or between the ramp and the trailer or truck.  The BigDog mower is capable of operating horizontally ®  Avoid sudden acceleration when on a ramp.

  • Page 17: Children

    Extremely dry conditions of grass the presence of children. Children are often attracted to the Tire pressure mower and the mowing activity. Never assume that children Any attachments mounted to the mower will also affect will remain where you last saw them. ...

  • Page 18: Controls

    If light comes on during operation, ® The BigDog Stout MP mower comes equipped with shut engine off immediately and locate and correct the operating lights mounted in the front mower frame. There is no problem.

  • Page 19: Safety Start Interlock System

    If the seat switch is not operating properly (is not opening or closing) and if the cause can not be determined, replace the seat switch. If the problem cannot be located, contact your BigDog ® Mowers Dealer. WARNING The safety interlock system should always function per steps 4 and 5.

  • Page 20: Stopping The Engine

    (park brake switches are disengaged) or the deck clutch switch is engaged the engine will stop. The following steps are the correct procedures for starting the engine. If difficulty is encountered, contact the BigDog ® Allow engine exhaust manifold to cool before engaging Mowers Dealer in your area.
  • Page 21 WARNING Always pull from the mower hitch. Do not attach chains or ropes to the ROPS for pulling purposes, as the machine ROPS can tip backwards. Always fasten seat belt during operation of the machine (mower equipped with ROPS in “raised/up” position). Inspect the area prior to mowing for proper overhead clearance (tree limbs, guy wires, doorways, etc).

  • Page 22: Mower Operation

    1. Check the torque of the ROPS mounting bolts. Tighten Mower Operation the bolts to the correct torques as shown below if necessary. Figure 3-8 Driving the mower 2. Inspect the operator’s seat and the mounting parts for the seat belt. Tighten the bolts to the correct torque as shown DANGER below if necessary and replace parts that show wear or damage.
  • Page 23 steering control lever and finish the turn. (Figure 3-10) FRONT OF MOWER FACES THIS DIRECTION WARNING Always be aware of what is behind the machine before FORWARD TRAVEL backing up. Do not mow in reverse unless absolutely nec- essary. Always look down and behind before and while backing up.
  • Page 24 Step 1 If you lose steering control while operating the machine, place the steering control levers in the park brake position immediately. Inspect the machine and involve your BigDog ® Mower Dealer to resolve the problem before continuing to operate.
  • Page 25 4. If the mower blades continue to rotate with the deck To avoid this, move onto a previously cut area with the blades clutch switch down, discontinue operation immediately engaged. and contact your BigDog Mowers Dealer. ® 605229 3-11...

  • Page 26: Deck Cutting Height Adjustment

    Clutch life will be maximized if these procedures are Anti-Scalp Wheels followed. Anti-scalp wheels are standard on BigDog ® Stout MP 1. Engage the clutch only when the throttle is set at mowers. These anti-scalp wheels are designed to minimize approximately 2/3 throttle and there is no load on the scalping when mowing on rough, uneven terrain.

  • Page 27: Maintenance & Adjustments

     Clean flammable material from machine. Prevent wear gloves and use extra caution when servicing them. fires by keeping the engine compartment, top of the  Use only genuine BigDog ® Mowers replacement parts to deck, exhaust area, battery, fuel line, fuel tank and ensure that original standards are maintained.

  • Page 28: Torque Values

    Front wheels ..... 8-12 psi (55-83 KPa) when they become corroded. If you wish to use non-pneumatic tires on your BigDog ®...

  • Page 29: Hydraulic System

    Each transmission’s filter is located per Figure 4-3. A standard oil filter wrench is used to change filter, threads are right handed. Use a BigDog ® Mowers approved filter element WARNING only.

  • Page 30: Fuel And Evaporative Emissions Control System

    • Keep fuel away from open flame or spark and store The fuel and evaporative emissions control system for this machine away from open flame or spark or pilot mower is EPA compliant. Use only BigDog ® Mowers approved light such as on a water heater or appliances.

  • Page 31: Engine Oil And Filter

    The fuel system is designed to leave room for the fuel to expand frequently. IMPORTANT: When removing the oil filter, take with fuel temperature changes. precautions to minimize oil spillage on the exhaust system. Draining the engine oil: WARNING 1. Locate the oil drain valve on the engine. Figure 4-5 2.

  • Page 32: General Engine Maintenance

    The engine warranty is Safety filter backed by the manufacturer. Special attention should be paid to applicable data which will not be duplicated here. Some BigDog ® Stout MP mowers will have a carbon canister incorporated into the fuel system. Figure 4-8 This is a mandatory feature that is required on all mowers using gasoline engines that are put into operation in California.

  • Page 33: Mower Blade Maintenance

    Dealer to resolve the problem before continuing to the blade to the spindle shaft from underneath. NOTE: A blade operate. holding tool (part number 381442) is available from BigDog ® Mowers. It is designed to prevent the blades from rotating when Inspect the belt pulley grooves and flanges for wear.

  • Page 34: Seat Adjustment

    IMPORTANT: When mounting blades, rotate them after Cutting edge installation to ensure blade tips do not touch each other or sides of the mower. Twisted Blade Edge WARNING (replace) Cutting Plane Cutting edge Failure to correctly torque the bolt may result in the loss of the blade which can cause serious injury.
  • Page 35 Upper control lever Nuts Lower control lever Figure 4-14 605229 REV A...

  • Page 36: Maintenance Schedule

    ® BigDog Mowers Stout MP Maintenance Schedule Refer to Figure 4-15, Figure 4-16, Figure 4-17, & Figure 4-18 WEEKLY MONTHLY ANNUALLY SERVICE AT OR 40 OR 100 OR 300 INTERVALS INDICATED HOURS HOURS HOURS Verify safety start interlock system Prior to each use...
  • Page 37 BigDog ® Mowers Stout MP Maintenance Locator Chart Figure 4-15 Engine Oil Fill & Dipstick Fuel Filter Engine Air Cleaner Engine Oil Drain Valve Battery Fuel Tank Engine Oil Filter Deck Lift Pivot Zerks (4) Park Brake Switch (2) Drive Tire...
  • Page 38 Figure 4-17 Engine Oil Fill & Dipstick Fuel Filter Engine Air Cleaner Engine Oil Drain Valve Battery Fuel Tank Engine Oil Filter Deck Lift Pivot Zerks (4) Park Brake Switch (2) Drive Tire Pump Belt Engine Air Intake Screen Front Wheel Tires Front Wheel Zerks (2) Deck Belt Blades...

  • Page 39: Troubleshooting

    TROUBLESHOOTING The majority of operating problems that occur with a system can be traced to improper adjustments or delayed service. A consistently applied preventative maintenance program, as outlined in the Maintenance section of this manual, will prevent many problems. The following chart is designed to help you locate a problem by suggesting probable causes and the recommended solutions.
  • Page 40 REV A 605229...

  • Page 41: Storage

    STORAGE When storing the unit at the end of the mowing season, the film of oil over any exposed metal surfaces of the engine mower, engine, and battery should have the following items that are subject to corrosion. serviced before storage. 8.

  • Page 42: Product Literature

    PRODUCT LITERATURE If you would like to view or print a copy of the BigDog Mowers Stout MP product manuals (Operator Manual, General Service ® Manual, or Parts Manual) go online to www.bigdogmowers.com. Contact your local BigDog Mowers dealer if you require another engine owner’s manual.
  • Page 43 INDEX PAGE PAGE Anti-scalp wheels ......3-12 Mower operation ......3-8 Belts .

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