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607233

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REV A

SAFETY PRECAUTIONS

This safety alert symbol is used to call attention to a 

message intended to provide a reasonable degree of 

PERSONAL SAFETY

 for operators and other persons during 

the normal operation and servicing of this equipment.    

This manual uses two other words to highlight information:

A. IMPORTANT

 – calls attention to special mechanical 

information.

B. NOTE

 – emphasizes general information worthy of 

special attention.

The 

owner’s responsibilities 

include, but are not limited to,

making certain that the operators and mechanics read 
and understand this manual and all decals before 
operating this machine.

making certain that before the operators and 
mechanics are allowed to operate or maintain this 
machine, they 

must

 be familiar with its safe operation, 

operator controls, and decals.

ensuring that the operators and mechanics know they 
are responsible for their own safety as well as the 
safety of other persons within the vicinity. 

Remember,

the operator is responsible for accidents or hazards 
occurring to other people or their property. 

Improper use, adjustment, or maintenance by the operator, 

mechanic or owner can result in injury or death. Reduce the 
potential for injuries by following these safety instructions. 
Pay close attention to the safety alert symbol “

” and the 

instructions that follow it.

 Failure to comply with these 

instructions may result in personal injury or death.

Incorrect usage of this equipment may result in severe injury 

or death. Personnel operating and maintaining it should be 

trained in its proper use. They should read this manual 
completely and thoroughly before attempting to set-up, 
operate, adjust, or service this equipment.

Safe Operating Practices

This product is capable of amputating hands and feet and 

throwing objects. Always follow all safety instructions to 
avoid serious injury or death.

Never allow persons to operate this mower without 
proper instruction or allow children to operate the 
mower. Allow only responsible adults who are familiar 
with these instructions to operate this mower.

Safe Operation

Evaluate the terrain to determine what accessories 
and attachments are needed to properly and safely 
perform the job. Only use accessories and 
attachments approved by the manufacturer.

Do not use any unauthorized attachment or 
modify the mower.

Follow the manufacturer’s recommendation for 
wheel weights or counterweights.

If any attachment or additional weight is 
mounted on the rear of the unit, any rapid 
movement of the control levers in either direction 
could result in a reaction of the mower that can 
cause serious injury.

Do not

 use a catcher on any mower equipped with Flex 

Forks

®

Always be alert and inspect area to be mowed for 
hazards such as rocks, metal objects and other debris 
which may be thrown or entangled by mower blades. 
Remove these objects before mowing. Watch out for 
holes or deep depressions.

Always operate mower in daylight or with adequate 
working lights. 

Never operate the mower when there is a risk for 
lightning. 

Personal Safety

Always

 wear long pants and safety shoes with slip-

resistant soles when operating this mower. 

Do not wear sandals, tennis shoes, sneakers, 
shorts or any type of loose fitting clothing as they 
may get tangled in moving parts.

Do not wear a towel from the waist, or use a towel 
as a headband or neck wrap.

Long hair or jewelry may get tangled in moving 
parts.

Always wear adequate ear protection, such as 
earplugs. Prolonged exposure to loud noise can cause 
impairment or loss of hearing.

– denotes immediate hazards which 

WILL

 result in 

severe personal injury or death.

– denotes a hazard or unsafe practice which 

COULD

result in severe personal injury or death.

DA

N

G

ER

WARNING

Содержание Alpha

Страница 1: ...607233 REV A BIGDOG MOWER CO Alpha Operator s Manual 200 South Ridge Road Hesston Kansas 67062 ...

Страница 2: ...nt 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 A spark arrester is a device constructed of nonflammable materi...

Страница 3: ... 1 Controls 3 1 Lights 3 1 Safety Start Interlock System 3 2 Starting the Engine 3 3 Stopping the Engine 3 3 Moving the Mower With Stalled Engine 3 3 Mower Operation 3 4 Deck Cutting Height Adjustment 3 7 Anti scalp Wheels 3 8 Maintenance Adjustments 4 1 Safe Servicing Practices 4 1 Service Introduction 4 1 Torque Values 4 1 Tires 4 1 Flex Fork Break In 4 1 Lubrication 4 2 Electrical System 4 2 Hy...

Страница 4: ...lades 4 4 Seat Adjustment 4 6 Steering Control Lever Adjustment 4 6 Troubleshooting 5 1 Storage 6 1 General Mower Preparation for Storage 6 1 Preparation of Engine for Storage 6 1 Preparation of Battery for Storage 6 1 New Season Preparation 6 1 Product Literature 6 3 ...

Страница 5: ... to most conditions Directions used in this manual for example RIGHT or LEFT refer to directions when in the operator position and facing forward unless otherwise stated Though current at the time of printing photographs and illustrations shown may vary slightly from your mower due to subsequent production changes BigDog Mower Company reserves the right to redesign and change the machine as deemed...

Страница 6: ...REV A 1 2 607233 ...

Страница 7: ...ands and feet and throwing objects Always follow all safety instructions to avoid serious injury or death Never allow persons to operate this mower without proper instruction or allow children to operate the mower Allow only responsible adults who are familiar with these instructions to operate this mower Safe Operation Evaluate the terrain to determine what accessories and attachments are needed ...

Страница 8: ...scharge area Never use your hand Follow daily and weekly checklists making sure hoses are tightly secured and bolts are tightened Never operate a poorly maintained mower Clean flammable material from mower Prevent fires by keeping the engine compartment top of the deck exhaust area battery fuel line fuel tank and operator s station clean of accumulated trash grass clippings and other debris Always...

Страница 9: ...e sliding and loss of steering control Do not tow on slopes The weight of the towed equipment may cause loss of traction and loss of steering control Do not try to stabilize the mower by putting your foot on the ground If the mower s tires lose traction when operating on slopes disengage the blades place the control levers in the park brake position stop the engine remove ignition switch key and g...

Страница 10: ...ake position Lower the deck Stop the engine Remove the ignition key Disconnect the negative battery cable Wait for all movement to stop before adjusting cleaning or repairing Repairs or maintenance requiring engine power should be performed by trained maintenance personnel only To prevent carbon monoxide poisoning operate the engine in a well ventilated area only Read and observe all safety warnin...

Страница 11: ...le s Always connect the positive red battery cable s before connecting the negative black cable s Do not overfill the battery Electrolyte may overflow and damage paint wiring or structure When cleaning the battery use soap and water Be careful not to get soap and water into the battery Clean the battery terminals with a solution of four parts water and one part baking soda when they become corrode...

Страница 12: ...tion Use these decals as an extension of this manual Do not remove or obliterate the decals Replace unreadable or missing decals It is the owner s responsibility to make certain that the operators and mechanics read and understand all decals before operating this machine The following illustrations show the safety decals that are located on the mower A brief explanation is shown to help the operat...

Страница 13: ...able and may cause an explosion if exposed to flame Always remove the negative ground first and replace it last WARNING Fire Part Number 601967 Clean flammable material from machine Prevent fires by keeping engine compartment top of deck exhaust area battery fuel line fuel tank and operator s station clean of accumulated trash grass clippings and other debris Always clean up spilled fuel and oil W...

Страница 14: ...ds feet and clothing away from rotating pulleys and belts 604221 A Fast B Slow C Choke D Mower blade engage disengage switch E Ignition switch insert key F OFF G ON H Engine start position I Wear ear protection eye protection and safety shoes when operating this equipment J Read Operator s Manual before attempting to operate this machine K Before starting the engine Read Owner s Manual Disengage m...

Страница 15: ...or building 3 Fold the paper along the slope guide lines C D or E 4 Align the closest slope guide line with the ground slope This will give you a close estimation of the ground slope to be mowed Slope Guide Lines Line B D 10o C 5o E 15o Line A Slope Guide Use this diagram when determining the degree of slope to be mowed 607233 2 9 REV A ...

Страница 16: ...REV A 2 10 607233 ...

Страница 17: ...sition the choke is in the OFF run position When the knob is pulled up the choke is in the ON start position Do not operate the machine in the ON start position Controls A Steering control levers Figure 3 2 Figure 3 3 these levers control the mower s speed direction stopping and park brake B Deck lift pedal Figure 3 4 the deck lift pedal is used to raise or lower the deck Push on the pedal to rais...

Страница 18: ...e 4 With the deck clutch switch down and the steering control levers in the park brake position slowly rise off of the seat The engine should continue to run 5 With the deck clutch switch up and or the steering control levers in the neutral position slowly rise off of the seat The engine should stop 6 If the engine fails to stop when the deck clutch switch is up or one or both of the steering cont...

Страница 19: ...perly Refer to Safety Start Interlock System section 7 Allow the engine to idle a few minutes before advancing the throttle and or engaging the deck clutch Stopping the Engine Use the following procedure to shut the engine off 1 Place the steering control levers in the park brake position 2 Throttle the engine back to low idle then disengage the deck clutch Refer to the Mower Deck Operation sectio...

Страница 20: ...ver farther rearward from neutral than the left steering control lever until the rear of the machine pivots around Figure 3 8 4 Then push the steering control levers forward until they both pass neutral and the machine starts to go forward Figure 3 8 5 Push the left steering control lever farther forward from neutral than the right steering control lever and finish the turn Figure 3 8 IMPORTANT Da...

Страница 21: ...TRAVEL N NEUTRAL POSITION Direction of arrows indicate direction of mower movement N N N N N N N N N N Figure 3 8 Step 1 THREE POINT TURN Step 2 Step 3 R i g h t c o n t r o l l e v e r L e f t c o n t r o l l e v e r N e u t r a l R i g h t c o n t r o l l e v e r L e f t c o n t r o l l e v e r N e u t r a l Neutral Left control lever Right control lever ...

Страница 22: ...ller than normal or if it contains a high degree of moisture Then mow it again with the cutting height set lower If the machine s forward motion must be stopped while mowing a clump of grass clippings may drop onto your lawn To avoid this move onto a previously cut area with the blades engaged An inexperienced operator should not mow on slopes or on uneven terrain Before attempting normal speed op...

Страница 23: ... less than 1 2 throttle Never disengage the clutch with the engine running at high rpm Setting the throttle to less than 1 2 throttle when disengaging the clutch will help extend clutch life Warranty will not be allowed for deck clutches that fail due to improper engagement and disengagement practices Deck Cutting Height Adjustment The deck cutting height is adjustable in 1 2 12 7 mm increments Th...

Страница 24: ...d in the bottom hole the wheel is located 1 60 40 6mm below the mower blades This setting is preferred when mowing at cutting heights of 2 1 2 63 5mm or higher When the wheel is mounted in the top hole it is located 70 17 8mm below the mower blades This is the acceptable setting for mowing at cutting heights of 1 1 2 38 1mm or higher A Deck cutting height pin B Cutting height holes Figure 3 10 A B...

Страница 25: ...tform to prevent arm rest damage Some repairs require the assistance of a trained service mechanic and should not be attempted by unskilled personnel Consult your BigDog Mowers service center when assistance is needed Torque Values Torque values are given below ft lbs N m Wheel lug nuts 70 95 Blade spindle bolt top 60 81 Blade spindle bolt bottom 48 65 Lug nuts only It is recommended that these be...

Страница 26: ...ontrol solenoids electronic controls vacuum control diaphragms purge valves liquid vapor separator other associated components Modifying or Tampering with the evaporative emissions control system or the fuel system is prohibited Federal law and California State law prohibit the following acts or the causing thereof 1 The removal or rendering inoperative by any person other than for purposes of mai...

Страница 27: ...recommendation and capacities Change the engine oil and filter after the first 5 hours of operation and then per the engine manufacturer s recommendations after that If mower is being operated in extremely dirty conditions then it is recommended oil be changed more frequently IMPORTANT After the new oil filter has been installed clean up any oil which may have spilled onto the engine plate and exh...

Страница 28: ...ns of severe cuts tears separation weather checking cracking burns caused by slipping Slight raveling of belt covering does not indicate failure trim ravelings with a sharp knife Inspect the belt pulley grooves and flanges for wear A new belt or one in good condition should never run against the bottom of the groove Replace the pulley when this is the case otherwise the belt will lose power and sl...

Страница 29: ...umber 381442 is available from BigDog Mower It is designed to prevent the blades from rotating when they are being removed or installed on the spindle Contact your BigDog Mower Dealer for more information Always check for blade damage if mower strikes a rock branch or other foreign object during mowing or if an abnormal vibration occurs while operating Make all necessary repairs before resuming op...

Страница 30: ...and are the most comfortable and then tighten the cap screws Figure 4 10 Steering Control Lever Adjustment The steering control levers can be adjusted for operator comfort A To pivot the upper control levers forward or rearward loosen the cap screws that attach the upper control lever to the lower lever Then pivot the upper control lever Tighten the cap screws Figure 4 11 B To lower and raise the ...

Страница 31: ...607233 4 7 REV A A Cap screws Figure 4 10 A Upper control lever B Cap screws C Lower control lever Figure 4 11 A A A B C ...

Страница 32: ...tion 3 Change engine oil filter per the engine manufacturer s recommendations Refer to Engine Owner s Manual for recommendations and other maintenance items 4 Service more often under dusty or dirty conditions Use caution when servicing to prevent dust contamination in the engine Do not clean filter element Replace with a new one 5 Pump drive belt only Inspect every month and replace if worn or cr...

Страница 33: ...Fuel Tank 7 Engine Oil Filter 8 Park Brake Switch 2 9 Drive Tire 10 Pump Belt 11 Engine Air Intake Screen 12 Front Wheel Tires 13 Front Wheel Zerks 2 14 Deck Belt 15 Blades 16 Fuel Evaporation System Filter Figure 4 13 Figure 4 14 Figure 4 15 Figure 4 16 Figure 4 12 2 3 4 5 6 7 9 9 13 1 8 8 11 12 13 10 36 42 Deck 15 15 14 52 Deck 15 15 14 16 ...

Страница 34: ...REV A 4 10 607233 ...

Страница 35: ...one direction Steering linkage needs adjustment Adjust linkage Loose steering linkage Tighten linkage Tires improperly inflated Adjust air pressure to 8 12 psi 55 83 KPa Transaxle component faulty Contact your Dealer Mower creeps when parking brake engaged Steering linkage out of adjustment Adjust steering linkage Brakes need adjustment Adjust parking brakes There is abnormal vibration The engine ...

Страница 36: ...REV A 5 2 607233 ...

Страница 37: ...the oil filler cap and fuel tank cap s to make certain they are securely in place 9 Refer to the engine manual for more information Preparation of Battery for Storage When the machine is to be unused for long periods it is best to disconnect the battery and remove it from the unit At this time perform the following battery maintenance 1 Remove the battery from machine 2 Clean the battery terminals...

Страница 38: ... would like to view or print a copy of the product manuals Operator s Manual Parts Manual or General Service Manual for these mowers go online to www bigdogmowerco com Contact your local BigDog Mower dealer if you require another engine manual ...

Страница 39: ...de Maintenance 4 4 Mower Blade Maintenance Precautions 2 5 Mower Blade Replacement 4 5 Mower Blades 4 4 Mower Operation 3 4 New Season Preparation 6 1 Operating Suggestions 3 6 Operation 2 2 Operator Platform Adjustment 4 7 Parts and Service 1 1 Personal Safety 2 1 Possible Damage to ROPS 3 4 Preparation of Battery for Storage 6 1 Preparation of Engine for Storage 6 1 Raising the Deck to the Servi...

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