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SECTION II

OPERATION

GENERAL SAFETY

Only qualified people familiar with this operator’s
manual should operate this machine. Operator
should wear hard hat, safety glasses, and safety
shoes. Avoid loose fitting clothing or jewelry. The
operator should read, understand and practice all
safety messages shown on the caution, warning and
danger decals affixed to the machine to avoid seri-
ous injury or death. Before beginning operation, clear
work area of any objects that may be picked up and
thrown by mower. Check for ditches, stumps, holes
or other obstacles that could upset power unit or
damage mower. Always push steering levers apart,
set parking brake, disengage PTO, turn off engine,
and allow blades to come to a complete stop before
leaving operator’s seat. Do not operate without all
shields in place and in good condition.

PRE-OPERATION CHECKLIST

1. Make sure fuel tanks are full. Use regular unleaded

gasoline. See engine manual for more details.

2. Make sure dirt and foreign matter are kept out of 

fuel tank. Use a clean funnel and fuel can.

AVOID SERIOUS INJURY OR DEATH:

GASOLINE IS EXTREMELY FLAMMABLE AND
EXPLOSIVE UNDER CERTAIN CONDITIONS.

REFUEL IN A WELL VENTILATED AREA WITH 
ENGINE STOPPED.

DO NOT SMOKE OR ALLOW FLAMES OR 
SPARKS IN THE REFUELING AREA OR 
WHERE GASOLINE IS BEING STORED.

DO NOT OVERFILL FUEL TANK. AFTER
REFUELING, MAKE CERTAIN THE TANK CAP 
IS CLOSED PROPERLY AND SECURELY.

BE CAREFUL NOT TO SPILL FUEL WHEN 
REFUELING. FUEL VAPOR OR SPILLED FUEL
MAY IGNITE. IF ANY FUEL IS SPILLED, MAKE
SURE THE AREA IS DRY BEFORE STARTING
THE ENGINE.

KEEP OUT OF REACH OF CHILDREN

AVOID FUEL FIRES BY STATIC ELECTRICITY SPARKS:

USE ONLY AN APPROVED GASOLINE CONTAINER

NEVER  FILL GASOLINE CONTAINERS INSIDE A
VEHICLE OR ON A TRUCK OR TRAILER BED WITH A
PLASTIC LINER. ALWAYS PLACE FUEL CONTAIN-
ERS ON THE GROUND AWAY FROM YOUR VEHICLE
BEFORE FILLING.

REMOVE MOWER FROM TRUCK BED OR TRAILER
AND REFUEL IT ON THE GROUND. ONLY USE AN 
APPROVED GASOLINE CONTAINER AND NOT THE
GASOLINE DISPENSER TO REFUEL WHEN MOWER
REMAINS ON TRAILER OR TRUCK BED.

DURING REFUELING, KEEP NOZZLE IN CONTACT 
WITH FUEL TANK OR FUEL CONTAINER OPENING 
AT ALL TIMES. AVOID OVER FILLING, DO NOT USE
NOZZLE LOCK-OPEN DEVICE.

WARNING

10

3. Do not mix oil with gasoline.

4. Do not use white, high test or premium gaso-

line. Do not use de-icers, carburetor cleaners 
or othersuch additives.

5. Check the crankcase oil level. Make sure the

engine is off. The mower should be parked on a
level area. Do not overfill. (See your engine
manual for more detailed instructions.)

6. Check the hydrostatic transaxles oil level. (See

“Maintenance” section of this manual.)

7. Check battery fluid level.
8. Inspect V-belts

9. Check tire pressure: Front& Drive Tires  9 - 12 psi

10. Make sure underside of mower deck is free of

grass. 

11. Make sure mower blades are sharp and secured 

tightly.

12. Clean the air intake screen on the engine if

necessary.

13. Perform any other maintenance as it becomes 

necessary. (See “Maintenance” section)

14. Check parking brake operation by disengaging 

hydrostatic transaxles (freewheeling position),
and placing the brake lever in the “on” position. 
Attempt to rock tractor by hand. Both drive wheels 
should be locked. When the brake handle is in the 
“off” position, both drive wheels should turn freely.
If there is a problem in either position, refer to 
adjustment procedure in the maintenance section.

WARNING

ENGINE EXHAUST GASES CONTAIN

POISONOUS CARBON MONOXIDE.

NEVER RUN ENGINE IN A CLOSED BUILDING
OR CONFINED AREA.

AVOID INHALING EXHAUST GASES.

OPERATION

1. OPEN FUEL SHUT-OFF VALVE left or right

tank.

2. MOVE CONTROL LEVERS TO neutral “OUT”

position by pushing each one straight sideways.

3. SET PARKING BRAKE. Pull upward to set, lock-

ing out in notch.

4. DISENGAGE MOWER BLADE CLUTCH by

moving clutch switch to “OFF” (down) position.

5. SET ENGINE CHOKE CONTROL for cold starts

to full up position.

6. SET ENGINE THROTTLE TO 1/2 throttle.

Summary of Contents for ESTATE

Page 1: ...BUSH HOG ASSEMBLY OPERATION MAINTENANCE 204 4 00 50043313 Estate Series ZERO TURN MOWER Operator s Manual ...

Page 2: ...actured with the same precision and skill as our original equipment Our trained service personnel are well informed on methods required to service Bush Hog equipment and are ready and able to help you Should you require additional information or assistance please contact us YOUR AUTHORIZED BUSH HOG DEALER BECAUSE BUSH HOG MAINTAINS AN ONGOING PROGRAM OF PRODUCT IMPROVEMENT WE RESERVE THE RIGHT TO ...

Page 3: ...NSIBILITY UNDER THE BUSH HOG WARRANTY It is the Retail Customer and or Operator s responsibility to read the Operator s Manual to operate lubricate maintain and store the product in accordance with all instructions and safety procedures Failure of the operator to read the Operator s Manual is a misuse of this equipment It is the Retail Customer and or Operator s responsibility to inspect the produ...

Page 4: ...st of installation other than cost approved by Bush Hog duty taxes charges for normal service or adjustment loss of crops or any other loss of income rental of substitute equipment expenses due to loss damage detention or delay in the delivery of equipment or parts resulting from acts beyond the control of Bush Hog THIS LIMITED WARRANTY SHALL NOT APPLY 1 To transportation to and from dealership or...

Page 5: ... condition 8 All fasteners torqued to specifications given in Torque Chart 9 All decals in place and readable See decal page 10 Overall condition good i e paint welds 11 Parking brake checked and adjusted if necessary 12 Steering checked and adjusted if necessary 13 Check tire pressure 14 Operators manual has been delivered to owner and he has been instructed on the safe and proper use of the cutt...

Page 6: ... the equipment safety signs These words are intended to alert the viewer to the existence and the degree of hazard seriousness This signal word indicates a potentially hazardous situation which if not avoided will result in death or serious injury White letters on RED This signal word indicates a potentially hazardous situation which if not avoided could result in death or serious injury It may al...

Page 7: ...ns Material may ricochet toward operator 3 GRASS DISCHARGE CHUTE The mower shall not be operated without the grass discharge chute in its lowered position Do not mow without grass discharge chute or grass catcher in place 4 OVERTURNING This happens when riding mowers are used on steep slopes embankments or hills The operator in these cases can come in contact with blades or sustain injuries during...

Page 8: ...ine Never leave the mower unattended with engine run ning Always wait for all moving parts and all sounds to stop before leaving operator s seat Always set the parking brake on an unattended mower 12 WEAR STURDY ROUGH SOLED WORK SHOES AND CLOSE FITTING SLACKS AND SHIRTS Never operate mower in bare feet sandals or sneakers 13 WEAR PERSONAL PROTECTIVE EQUIPMENT such as but not limited to protection ...

Page 9: ...Be sure all moving parts and all sounds have stopped Let engine cool and dis connect the spark plugs so the engine cannot start by accident 27 KEEP ALL NUTS BOLTS AND SCREWS TIGHT to be sure equipment is in safe working condition especially blade bolts 28 VEHICLE SHOULD BE STOPPED AND INSPECTED FOR DAMAGE after striking a foreign object and the damage should be repaired before restarting and opera...

Page 10: ...tained areas where a smooth even cut is desired and superior maneuver ability is needed The unit consists of either a 17 hp Briggs Stratton single 18 hp Briggs Stratton twin 20 hp Kohler twin or a 20 hp Honda twin engine The engine has a pressurized oil lubrication system with spin on type filter fused electronic ignition electric start and a 6 5 gallon fuel system Two Zero Turn hydrostatic transa...

Page 11: ...e Lever On left side of operator Shown on page 12 Blade Height Adjust Pin Right side of deck Shown on page 11 Choke On right hand control console Hydrostatic Transaxle Bypass Valve Right hand and left hand sides at rear of unit Shown on page 12 Hour Meter Service Minder On right hand con trol console Warning Light On right hand control console for engine oil pressure TRACTOR SPECIFICATIONS Width F...

Page 12: ...REFILLING REMOVE MOWER FROM TRUCK BED OR TRAILER AND REFUEL IT ON THE GROUND ONLY USE AN APPROVED GASOLINE CONTAINER AND NOT THE GASOLINE DISPENSER TO REFUEL WHEN MOWER REMAINSONTRAILERORTRUCKBED DURING REFUELING KEEP NOZZLE IN CONTACT WITHFUELTANKORFUELCONTAINEROPENING ATALLTIMES AVOIDOVERFILLING DONOTUSE NOZZLELOCK OPENDEVICE WARNING 10 3 Do not mix oil with gasoline 4 Do not use white high test...

Page 13: ...e improved deck flotation and scalping protection at various cutting heights They are not intended to ride continously on the ground Rollers should always be 1 2 below blade level but no closer than 1 2 from ground DO NOT adjust rollers to support deck 4 Front Anti Scalp rollers brackets are removable WARNING Use EXTREME caution when mowing and or turning on slopes as loss of traction and or tip o...

Page 14: ...he operator is the fuel directional valve This valve has three positions for opera tions and each position is made in 1 4 turn incre ments This directional valve has a shut off posi tion and can be used when the machine will not be used for a few days or when the unit is trans ported to and from a work site Fuel Flow Valve Position Off Down Right Tank Right Left Tank Left MOWING RECOMMENDATIONS 1 ...

Page 15: ...r break in Grease blade spindles __________________________________________________________every 50 hours Change engine Refer to engine crankcase oil __________________________________________________________________mfg manual Change engine oil filter______________________________________________ Refer to engine mfg manual Change hydrostatic oil filter See your Bush Hog Dealer Important Substituti...

Page 16: ...L CALL A PHYSICIAN IMMEDIATELY BATTERIES PRODUCE EXPLOSIVE GASES KEEP SPARKS FLAMES AND SMOKING MATERI ALS AWAY VENTILATE WHEN CHARGING IN AN ENCLOSED SPACE WEAR EYE PROTECTION WHEN WORKING NEAR BATTERIES KEEP OUT OF REACH OF CHILDREN 4 MOWER BLADES Check sharpness of mower blades after every 10 hours of operation To sharpen blades proceed as follows A Lift deck and secure in raised position B Rem...

Page 17: ... If the wheels are rotating in reverse then rotate the vertical turnbuckle counter clockwise to lengthen the steering control linkage until the wheel s come to a stop Repeat for the opposite side if necessary 15 Vertical Turnbuckle Control Lever Pivot Bolt 3 8 x 1 1 2 w Locknut Slotted Hole and Adjusting Bolt 3 8 x 1 1 2 w Flatwasher and Locknut Hydrostatic Transaxle 5 CLEANING GRASS BUILD UP UNDE...

Page 18: ... counterbalance spring nuts until springs are to the following lengths 44 Deck Spring length of 16 5 52 Deck Spring length of 16 0 The springs may be tightened or loosened from this point according to personal preference DECK BELT ADJUSTMENT Belt adjustment should be checked every 50 hours of operation to get maximum life and cutting perfor mance Belt tension is adjusted by increasing or decreasin...

Page 19: ...S INJURY FROM PRESSURE LEAKS USE CARDBOARD AND NOT HANDS TO SEARCH FOR LEAKS RELIEVE HYDRAULIC PRESSURE BEFORE WORKING ON SYSTEM CHECK HYDRAULIC HOSES LINES AND CONNECTIONS FOR TIGHTNESS AND GOOD CONDITION BEFORE APPLYING SYSTEM PRESSURE WARNING be changed after the first 50 hours of break in then every 200 hours thereafter The fluid and filter should be changed and the system cleaned if the fluid...

Page 20: ... air is purged from the unit the oil level will drop 2 With the bypass valve closed and the engine running slowly move the directional control in both forward and reverse directions 5 to 6 times Check the oil level and add oil as required after stopping engine 3 It may be necessary to repeat Steps 1 and 2 until all the air is completely purged from the system When the transaxle moves forward and r...

Page 21: ...nsaxle oil blowing oil out vent________________________overfilled or water contaminated 5 ENGINE STALLS WHEN BLADES ARE ENGAGED Operator not on seat ____________________________________________________________sit on seat Faulty interlock system _______________________________________________________consult dealer Bad blade spindle bearing_____________________________________________________consult...

Page 22: ...cure with 3 8 x 1 1 4 bolt and lockwasher Control Levers Seat Mounting Plate Slotted Hole BATTERY Attach the positive lead to the battery Additional wire tie straps are shipped to secure the wiring harness as needed DISCHARGE CHUTE The discharge chute for the 52 deck is shipped separate from the deck Place the chute into position and fasten with the fasteners provided ITEMS TO CHECK Check oil leve...

Page 23: ...s for any of our products in the field at no charge Contact your authorized Bush Hog dealer for more information 21 DANGER KEEP AWAY SHIELD MISSING FROM THIS AREA TO AVOID SERIOUS INJURY OR DEATH DO NOT OPERATE WITHOUT THIS AND ALL OTHER SHIELDS IN PLACE AND IN GOOD CONDITION 50043277 TO AVOID SERIOUS INJURY OR DEATH DO NOT OPERATE MOWER WITHOUT DISCHARGE SHIELD OR DEFLECTOR IN PLACE AND GOOD REPA...

Page 24: ...278 50043279 50043280 CAUTION CAUTION 94131 SHUT OFF ENGINE BEFORE REFUELING NEVER FILL FUEL TANK INDOORS OR WHEN ENGINE IS HOT WIPE UP ALL SPILLED FUEL BEFORE STARTING ENGINE DO NOT SMOKE WHILE REFUELING 94131 ...

Page 25: ...354 480 795 1077 1288 1745 1 11 16 1 1 8 12 UNF 397 538 890 1206 1444 1957 1 7 8 1 1 4 7 UNC 500 678 1120 1518 1817 2462 1 7 8 1 1 4 12 UNF 553 749 1241 1682 2013 2728 2 1 16 1 3 8 6 UNC 655 887 1470 1992 2382 3228 2 1 16 1 3 8 12 UNF 746 1011 1672 2266 2712 3675 2 1 4 1 1 2 6 UNC 870 1179 1950 2642 3161 4283 2 1 4 1 1 2 12 UNF 979 1327 2194 2973 3557 4820 Proper torque for metric fasteners used o...

Page 26: ...BUSH HOG L L C P O Box 1039 Selma AL 36702 1039 Telephone 334 874 2700 ...

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