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Excel BigDog A Series Operator's Manual

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603744_0911
BigDog
®
Operator's Manual
•••••
P.O. Box 7000
•••
Hesston, Kansas
•
67062-2097
Mowers
A Series

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  • Page 1 BigDog ® Mowers A Series Operator’s Manual ••••• P.O. Box 7000 ••• Hesston, Kansas • 67062-2097 603744_0911...
  • Page 2 603744_0911...

  • Page 3: Table Of Contents

    General Information ........1-1 Safety Precautions.
  • Page 4 603744_0911...

  • Page 5: General Information

    GENERAL INFORMATION This manual applies to the following BigDog Mower lines: refer to directions when in operator position and facing forward, ® unless otherwise stated. BigDog Mowers A Series Photographs and illustrations used were current at the time of ® printing, but subsequent production changes may cause your To the new owner machine to vary slightly in detail.
  • Page 6 603744_0911...

  • 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 Part Number 600899 WARNING: Thrown objects! 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 dealer to resolve the problem before continuing to operate. •...
  • Page 9 DANGER: Battery Hazards! Part Number 601815 601815 • • • Avoid skin contact Do not overfill battery. Do not allow open flame near the bat- with battery acid tery when charging. • Electrolyte may overflow and damage • Hydrogen gas forms inside the bat- paint, wiring or structure.
  • Page 10 Part Number 601993 WARNING: Read Operator’s Manual and decals before attempting to oper- ate 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 Fast Slow Choke Mower blade engage/disengage switch Ignition switch - insert key Engine start position Before starting the engine: Read Operator’s Manual Disengage mower blades Place control levers in park brake position Wear ear protection, eye protection and safety shoes when operating this equipment.
  • Page 12 603744_0911...
  • 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 603744_0911...

  • Page 15: Operation

    OPERATION Safe Operating Practices clothing. Do not use a towel as a headband or neck wrap and do not hang towel from the waist. Long hair, loose clothing or jewelry may get tangled in moving parts. This product is capable of amputating hands and feet and Always wear long pants, safety glasses, ear protection throwing objects.

  • Page 16: Using A Ramp

     Follow the manufacturer’s recommendation for wheel breaking away. This will reduce the risk of the mower weights or counterweights. suddenly rolling over causing serious injury or death.  If any attachment or additional weight is mounted on the  Use a walk behind, push mower or hand-held trimmer on rear of the unit, any rapid movement of the control levers slopes and near drop-offs, retaining walls, drainage in either direction could result in a reaction of the mower...
  • Page 17  Children or bystanders may be injured if they move or 2. Cliffs, retaining walls 3. Roads, highways attempt to operate the mower while it is unattended. 4. Buildings Always disengage deck clutch, place control levers in 5. Rocks park brake position, stop the engine, and remove ignition These are just a few examples of situations when caution key when leaving operator’s seat.

  • Page 18: Control Panel

    Control Panel Controls A. Steering control levers (Figure 3-2 & Figure 3-3) — these levers control the mower’s speed, direction, stopping, and park brake. These levers are used to steer, accelerate, decelerate and change direction. When the steering control levers are in the park brake position the mower will not move when the engine is on and drive pumps are operating.

  • Page 19: Engine Starting

    Engine starting Shown with steering control The mower’s safety start interlock system is also designed to levers in park brake position protect the operator and others from accidental injury due to unintentional engine starting. The engine starting motor will not engage until: 1.

  • Page 20: Moving Mower With Stalled Engine

    position. 2. Throttle the engine back to low idle, then disengage the deck clutch. Refer to Mower deck operation section for more details. 3. Let engine run at low idle for a couple of minutes. 4. Rotate ignition key counter-clockwise to the “OFF” ROPS position.
  • Page 21 WARNING WARNING To minimize chance of injury or death from rollover: The ROPS structure’s protective capability may be • Keep ROPS in the raised and locked position impaired by structural damage, overturn or altera- and use the seat belt. tion. Do not remove or alter any of the ROPS parts. Do •...

  • Page 22: Mower Operation

    Mower operation immediately. DANGER Driving the mower DANGER When moving in the rearward direction push forward gently on steering control levers and avoid sudden move- ment. Any sudden movement could cause the front of the Never make sudden stops or reverse direction, especially mower to come off of the ground resulting in possible when maneuvering on a slope.
  • Page 23 FRONT OF MOWER FACES THIS DIRECTION THREE POINT TURN FORWARD TRAVEL ZERO RADIUS TURN Step 1 FORWARD TRAVEL RIGHT TURN Step 2 REVERSE TRAVEL RIGHT TURN Step 3 REVERSE TRAVEL N = NEUTRAL POSITION Direction of arrows indicate direction of mower movement Neutral Right control lever...
  • Page 24 Operating suggestions once in the morning and again at noon. Many problems with incorrect cutting patterns are due to dull blades or blades which have been sharpened incorrectly. Information on sharpening DANGER blades is listed in this manual’s maintenance section. In addition, most communities have individuals or companies which specialize in sharpening mower blades.

  • Page 25: Deck Cutting Height Adjustment

    Deck cutting height adjustment WARNING Deck height is adjustable in 1/4” (.64 cm) increments. The holes in the height adjusting bar are spaced at 1/2” (1.2 cm) intervals. By turning the height adjusting stop around, 1/4” (.64 Never direct discharge of material from mower deck cm) increments can be attained due to the 1/4”...
  • Page 26 Stop handle Height adjusting stop Fig. 3-12 Adjusting holes Anti-scalp wheel Fig. 3-13 3-12 603744_0911...

  • Page 27: Maintenance & Adjustments

    MAINTENANCE & ADJUSTMENTS  Never attempt to make any adjustments or repairs to the Safe servicing practices mower drive system, mower deck or any attachment while the mower engine is running or deck clutch is This product is capable of amputating hands and feet and engaged.

  • Page 28: Torque Values

    high moisture content. This build-up will harden, restricting manufacturer’s maintenance, safety, storing and charging blade and air movement and will probably show a poorer quality specifications. of cutting. Therefore it should be removed routinely. To do this it will be necessary to raise and block the deck WARNING using jack stands or blocks, in the full up position and scrape the build-up from underneath.

  • Page 29: Hydraulic System

    right handed. Use a BigDog ® Mowers approved filter element WARNING only. WARNING Incorrect battery cable routing could cause damage to the mower and battery cables. This can cause sparks which can cause a battery gas explosion which will result in per- When washing the mower, direct the spray away (espe- sonal injury.
  • Page 30 WARNING WARNING Observe usual fuel handling precautions • Gasoline is harmful or fatal if swallowed. • Long-term exposure to vapors can cause serious • Do not smoke while refueling. Extinguish all ciga- injury and illness. rettes, cigars, pipes and other sources of ignition. •...

  • Page 31: General Engine Maintenance

    Engine oil & filter General engine maintenance Detailed instructions and recommendations for break-in and regular maintenance are specified in the Engine Owner’s WARNING Manual. Please refer to this manual for engine servicing, lubricating levels with quality viscosity recommendations, bolt torques, etc. The engine warranty is If the engine has been running and is up to operating tem- backed by the manufacturer.

  • Page 32: Mower Blade Maintenance

    bottom of the groove. Replace the pulley when this is the case, Spin the blade slowly, blade should not wobble. If blade is out otherwise belt will lose power and slip excessively. of balance, true it up before reinstalling. Never pry a belt to get it on a pulley as this will cut or damage Lay the blade on a flat surface and check for distortion the fibers of the belt covering.

  • Page 33: Seat Adjustment

    Warped Blade (Replace) Cutting plane Straight Blade Comparison of Warped and Straight Blades Figure 4-8 Cutting edge Cap screw Twisted Blade Edge (replace) Cutting Plane Cutting edge Straight Blade Edge End view of blades, comparing twisted and straightened blades Figure 4-9 Seat adjustment The seat on the mower can be adjusted forward and rearward by releasing the seat latch and pivoting the seat platform up and...
  • Page 34 Upper control lever Cap screws Lower control lever Figure 4-11 603744_0911...
  • Page 35 BigDog Mowers A Series ® Maintenance Schedule Refer to Figure 4-12, Figure 4-13,& Figure 4-14 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 Visually inspect unit for loose hardware and/or damaged parts Prior to each use Visually inspect tires...
  • Page 36 BigDog Mowers A Series Maintenance Locator Chart ® Figure 4-12 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 Gauge Wheel Tires...

  • Page 37: 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 38 603744_0911...

  • Page 39: Storage

    STORAGE When storing the unit at the end of the mowing season, the ject to corrosion. mower, engine, and battery should have the following items 9. Clean dirt and chaff from cylinders and fins, blower serviced before storage. housing and muffler. If the mower has been stored for an extended period of time, 10.

  • Page 40: Product Literature

    PRODUCT LITERATURE If you would like to view or print a copy of the BigDog Mowers A Series product manuals go online to www.bigdogmowers.com. ® Contact your local BigDog ® Mowers dealer if you require another engine owner’s manual. 603744_0911...
  • Page 41 INDEX PAGE PAGE Anti-scalp wheels ..........3-11 New season preparation ........6-1 Belts .................4-5 Operating suggestions ......... 3-10 Children ..............3-3 Parts and service ........... 1-1 Control Panel ............3-4 Preparation of battery for storage ......6-1 Controls ..............3-4 Preparation of engine for storage ......6-1 Cooling system ............4-5 ROPS ..............

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