background image

Shown with steering control 

levers in park brake position

Figure 3-3

Deck lift pedal

603744_0911

3-5

switch.

2.

Set both steering control levers in the park brake position.

3.

Start the engine and allow it to warm up to operating 
temperature.

4.

With the deck clutch switch down and the steering 
control levers in the park brake position, slowly raise 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 raise 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 control levers is up and 
the operator is off the seat, check the function of the seat 
switch. 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 can not be located, contact your BigDog

®

Mowers Dealer.

The safety interlock system should always function per 
steps 4 and 5. If it does not function properly, it should be 
corrected immediately. Do not operate machine without 
properly functioning seat safety switch

Engine starting

The mower’s safety start interlock system is also designed to 

protect the operator and others from accidental injury due to 
unintentional engine starting. The engine starting motor will not 
engage until:

1.

Steering control levers are in the park brake position.

2.

Deck clutch switch is in the down (OFF) position.

The safety interlock system must not be disconnected or 
bypassed. Doing so could cause the machine to operate 
unexpectedly resulting in personal injury.

NOTE: 

The operator’s seat is equipped with a separate 

safety switch. If for any reason the operator should become 
unseated when the steering control levers are not in the park 
brake position (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

®

Mowers Dealer in your area.

1.

Before starting mower each day, perform daily pre-
operation checking. (See 

Safety Start Interlock System

section)

2.

Make sure the steering control levers are in the park 
brake position and deck clutch switch is disengaged. 
Only start the engine from the operator’s position.

3.

Use choke when engine is cold, or if warm engine fails to 
start within 5 seconds of cranking. Avoid flooding and 
operate engine without choking as soon as possible.

4.

Set throttle at approximately 1/2 open position. 

5.

Insert key in ignition switch and rotate full clockwise to 
engage starting motor. Release key when engine starts.

IMPORTANT: 

The engine starter should not be operated 

for periods longer than 30 seconds at a time. An interval 
of at least two minutes should be allowed between such 
cranking periods to protect the starter from overheating 
and burn-out.

6.

Perform test to make sure safety start interlock system is 
operating properly. Refer to 

Safety Start Interlock System 

section.

7.

As soon as engine begins to run, check to make certain 
the oil warning light is off. If not, stop engine 
immediately and check for the cause.

NOTE:  

Some mowers have an engine malfunction light 

and/or an alternator warning light in addition to the oil 
warning light. Check to make certain these lights are off 
as soon as the engine begins to run. If not, stop engine 
immediately and check for the cause.

8.

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 off the engine after 

operating the equipment.

1.

Place the steering control levers in the park brake 

Figure 3-4

WARNING

WARNING

Содержание BigDog

Страница 1: ...603744_0911 BigDog Mowers A Series Operator s Manual P O Box 7000 Hesston Kansas 67062 2097...

Страница 2: ...603744_0911...

Страница 3: ...603744_0911 c 1 General Information 1 1 Safety Precautions 2 1 Operation 3 1 Maintenance Adjustments 4 1 Troubleshooting 5 1 Storage 6 1 Product Literature 6 2...

Страница 4: ...c 2 603744_0911...

Страница 5: ...Mowers user Operating conditions vary considerably and cannot all be addressed individually Through experience however operators should find no difficulty in developing good operating skills suitable...

Страница 6: ...1 2 603744_0911...

Страница 7: ...eadable It is the owner s responsibility to make certain that the operators and mechanics read and understand this manual and all decals before operating this mower It is also the owner s responsibili...

Страница 8: ...trol will be lost Refer to owner s manual for inspection and replacement intervals and refer to above paragraph for emergency procedures 600899 Part Number 600899 If you loose steering control while o...

Страница 9: ...RNING 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 t...

Страница 10: ...cking up Do not mow in reverse unless absolutely necessary Always look down and behind before and while backing up WARNING Roll over Slow down before turning Do not operate on slopes greater than 15 d...

Страница 11: ...disengage switch E Ignition switch insert key F OFF G ON H Engine start position I Before starting the engine J Wear ear protection eye protection and safety shoes when operating this equipment K Read...

Страница 12: ...2 6 603744_0911...

Страница 13: ...r 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...

Страница 14: ...2 8 603744_0911...

Страница 15: ...s sneakers shorts or any type of loose fitting 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...

Страница 16: ...edge or to avoid the ground from breaking away This will reduce the risk of the mower suddenly rolling over causing serious injury or death Use a walk behind push mower or hand held trimmer on slopes...

Страница 17: ...mower unattended with ignition key in switch especially with children present Children or bystanders may be injured if they move or attempt to operate the mower while it is unattended Always disengage...

Страница 18: ...F 15 amp fuse Figure 3 1 Clutch Aux 15 amp blade type G Electronic hour meter Figure 3 1 registers 1 10 hour increments up to 9 999 9 total hours Connected to the ignition switch the meter records th...

Страница 19: ...steering control levers are not in the park brake position park brake switches are disengaged or the deck clutch switch is engaged the engine will stop The following steps are the correct procedures...

Страница 20: ...transporting When transporting on another vehicle the mower should be facing forward and it must be secured IMPORTANT Always make certain the two bypass valves are returned to their operating positio...

Страница 21: ...he ROPS has been in some other type of accident such as hitting an overhead object during transport the ROPS must be replaced to retain the best protection Following an accident check the ROPS the ope...

Страница 22: ...the rearward direction push forward gently on steering control levers and avoid sudden move ment Any sudden movement could cause the front of the mower to come off of the ground resulting in possible...

Страница 23: ...ection 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...

Страница 24: ...mower blades Blade sharpness should be checked daily Never work with blades while engine is running or deck clutch switch is engaged on Always place deck clutch switch in the disengaged position plac...

Страница 25: ...eight adjustment 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 cm increm...

Страница 26: ...Stop handle Height adjusting stop Fig 3 12 Anti scalp wheel Adjusting holes Fig 3 13 3 12 603744_0911...

Страница 27: ...nd deadly poison Never attempt to make any adjustments or repairs to the mower drive system mower deck or any attachment while the mower engine is running or deck clutch is engaged Repairs or maintena...

Страница 28: ...tem is a 12 volt negative ground Recommended battery size is a garden tractor BCI group U1R with 225 or better cranking AMP rating A maintenance free battery is recommended Otherwise follow battery ma...

Страница 29: ...peration or weekly whichever occurs first Check more often if system appears to be leaking or otherwise malfunctioning Fluid level should be at the Full Cold line on the expansion tank Use only SAE 20...

Страница 30: ...ed keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete Do not use a nozzle lock open device Never use gasoline for cleaning parts Read...

Страница 31: ...ting the machine Oil drain valve Figure 4 5 Engine air filter Perform engine air filter maintenance per the engine s owner s manual General engine maintenance Detailed instructions and recommendations...

Страница 32: ...is available from BigDog Mowers It is designed to prevent the blades from rotating when they are being removed or installed on the spindle Contact your BigDog Mowers dealer for more information Sharpe...

Страница 33: ...e the best control of the machine and are the most comfortable and then tighten the cap screws Figure 4 10 Cap screw Figure 4 10 Steering control lever adjustment The steering control levers can be ad...

Страница 34: ...Cap screws Upper control lever Lower control lever Figure 4 11 4 8 603744_0911...

Страница 35: ...e spark plugs X Replace fuel evaporation system filter 8 X Check ROPS mounting hardware 9 X 603744_0911 4 9 NOTES 1 Initial oil change is after 5 hours of operation Thereafter change oil after every 4...

Страница 36: ...Engine Air Cleaner 4 Engine Oil Drain Valve 5 Battery 6 Fuel Tank 7 Engine Oil Filter 8 Deck Lift Pivot Zerks 4 9 Park Brake Switch 2 10 Drive Tire 11 Pump Belt 12 Engine Air Intake Screen 13 Front G...

Страница 37: ...w engine oil pressure Low oil level Add oil Oil diluted or too light Change oil and check for source of contamination Failed oil pump Contact your Dealer High oil consumption Numerous Contact your Dea...

Страница 38: ...5 2 603744_0911...

Страница 39: ...to distribute oil over cylinder walls and valve mechanism 8 Clean exterior surface of engine Spread a light film of oil over any exposed metal surfaces of engine that are sub ject to corrosion 9 Clean...

Страница 40: ...CT 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 e...

Страница 41: ...r with stalled engine 3 6 Mower blade maintenance 4 6 Mower blade removal 4 6 Mower deck operation 3 11 Mower operation 3 8 New season preparation 6 1 Operating suggestions 3 10 Parts and service 1 1...

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