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CONTROLS

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This operator’s manual describes the Husqvarna Zero 
Turn Rider. The rider is fitted with either a Briggs & 
Stratton four-stroke overhead valve engine.
Transmission from the engine is made via belt-driven 

hydraulic pumps. Using the left and right steering 
controls, the flow is regulated and thereby the 
direction and speed.

Control Locations

1

2

3

4

5

8

9

10

12

6

11

1.  Motion control levers
2.  Parking brake
3.  Tracking knob
4.  Fuel tank
5.  Hydro release lever

6.  Ignition switch
7.  Hour meter
8.  Throttle control
9.  Blade switch

10.  Seat adjustment lever
11.  Right tracking bolt
12.  Height adjustment
13.  Deck lift

8058-039

5

7

13

Summary of Contents for 966613201

Page 1: ...Operator Manual MZ28T 966613201 Please read the operator s manual carefully and make sure you understand the instructions before using the machine English ...

Page 2: ...on contained in these instructions Use only original parts for repairs The use of other parts voids the warranty Do not modify or install non standard equipment to the unit without consent from the manufacturer Modifications to the unit may cause unsafe operations or damage the unit When this product is worn out and no longer used it should be returned to the reseller or other party for recycling ...

Page 3: ...eering 24 Before Starting 25 Starting the Engine 26 Jumper Cables Use 29 Running 30 Operating on Hills 31 Stopping the Engine 32 Mowing Tips 33 Moving Machine By Hand 34 Bypass Linkages 34 MAINTENANCE 35 Maintenance Schedule 35 Battery 37 Safety System 38 Tire Pressures 38 Parking Brake 38 Deck Belt 39 Pump Belt 40 V belts 40 Cutting Blades 41 Leveling deck 42 Anti scalp rollers 43 Caster Wheels 4...

Page 4: ...nd mind and body and must not be under the influence of any mind altering substance WARNING Engine exhaust some of its constituents and certain vehicle components contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm WARNING Battery posts terminals and related accessories contain lead and lead compounds chemicals known to the State ...

Page 5: ...stening equipment and ensure that the machine is well anchored DO NOT operate this machine on public roadways Towing If machine is equipped with a tow hitch use extreme caution when towing Never allow children or others in or on the towed equipment Make wide turns to avoid jack knifing Travel slowly and allow extra distance to stop Do not tow on sloped ground The weight of the towed equipment may ...

Page 6: ... manual belongs to the machine with the manufacturing number Engine Transmission Manufacturing Number The machine s manufacturing number can be found on the printed plate affixed to the engine compartment Stated on the plate from the top are 1 The machine s type designation I D 2 The manufacturer s type number Model 3 The machine s serial number Serial no Please have the type designation and seria...

Page 7: ... xx xxxxxxxx xxxx xxxxxx Reverse Neutral Fast Slow Fuel Warning Parking Brake Warning Rotating blades Do not touch parts keep away from the discharge deck Battery acid is corrosive explosive and flammable Do not stand here Drawbar loading Use protective glasses Use protective gloves Used in this publication to notify the reader of a risk of material damage particularly if the reader should neglect...

Page 8: ...ole body Severing of fingers Do not open or Careful backing up Careful going exposure to and toes remove safety watch for other forward watch for thrown objects shields while people other people engine is running Noise emissions to the surroundings in accordance with the European Union s directive The machine s emission is stated in the chapter TECHNICAL DATA and on the decals Only machines for Eu...

Page 9: ...ly intended for use by one person Do not mow in reverse unless absolutely necessary Always look down and behind before and while backing Never direct discharged material toward anyone Avoid discharging material against a wall or obstruction Material may ricochet back toward the operator Stop the blades when crossing gravel surfaces Do not operate machine without the entire grass catcher discharge ...

Page 10: ...tect themselves and others from serious injury Follow the manufacturer s recommendation for wheel weights or counterweights Anyone who operates this machine must first read and understand this Operator Manual Local laws may regulate the age of the user Keep machine free of grass leaves or other debris buildup which can touch the hot exhaust or engine parts and burn Do not allow the mower deck to p...

Page 11: ... clothing that can get caught in moving parts Use ear protectors to avoid damage to hearing Slope Operation Slopes are a major factor related to loss of control and tip over accidents which can result in severe injury or death Operation on all slopes requires extra caution If you cannot back up the slope or if you feel uneasy on it do not mow it Mow up and down slopes 10 degrees maximum not across...

Page 12: ...QUIPMENT The American Academy of Pediatrics recommends that children be a minimum of 16 years of age before operating a riding lawn mower Keep children out of the mowing area and in the watchful care of a responsible adult other than the operator Be alert and turn machine off if a child enters the area Before and while backing look behind and down for small children Never carry children even with ...

Page 13: ...her appliance Before beginning to refuel minimize the risk of static electricity by touching a metal surface Never fill containers inside a vehicle or on a truck or trailer bed with plastic liner Always place containers on the ground away from the vehicle when filling Remove gas powered equipment from the truck or trailer and refuel it on the ground If this is not possible refuel such equipment wi...

Page 14: ...ularly to be sure it works properly The machine must not be driven with defective or unmounted protective plates protective cowlings safety switches or other protective devices Do not change the settings of governors and avoid running the engine with overly high engine speeds If the engine runs too fast there is risk for damaging the machine components Be very careful when handling battery acid Ac...

Page 15: ...er relay to run the starter Never use the machine indoors or in spaces lacking proper ventilation The exhaust fumes contain carbon monoxide an odorless poisonous and lethal gas Stop to inspect the equipment if the machine runs over or into anything If necessary make repairs before starting Never make adjustments with the engine running The machine is tested and approved only with the equipment ori...

Page 16: ...he drive system Load the unit onto truck or trailer by driving up ramps of suitable strength using a slow speed Do not lift The machine is not intended to be lifted by hand When loading or unloading this machine do not exceed the maximum recommended operation angle of 10O Towing If machine is equipped with a tow hitch use extreme caution when towing Never allow children or others in or on towed eq...

Page 17: ... hydraulic pumps Using the left and right steering controls the flow is regulated and thereby the direction and speed Control Locations 1 2 3 4 5 8 9 10 12 6 11 1 Motion control levers 2 Parking brake 3 Tracking knob 4 Fuel tank 5 Hydro release lever 6 Ignition switch 7 Hour meter 8 Throttle control 9 Blade switch 10 Seat adjustment lever 11 Right tracking bolt 12 Height adjustment 13 Deck lift 80...

Page 18: ... control towards the neutral position The rotation of the right wheel is reduced and the machine turns to the right Zero turn can be achieved by moving one control backward behind the neutral position and carefully moving the other steering control forward from its neutral position The rotation direction when zero turning is determined by which steering control is moved backward behind the neutral...

Page 19: ...on and shut off automatically The hour meter cannot be manually reset 8058 043 Hour meter Blade Switch To engage the mower deck pull the blade switch knob out The mower blades are disengaged when the knob is pressed down fully 8058 043 Blade switch Ignition Switch The ignition switch is placed on the control panel and is used to start and stop the engine Turn the key clockwise to start the engine ...

Page 20: ...The machine must stand absolutely still when applying the parking brake Always set the parking brake before dismounting Release the parking brake before moving the mower 8058 044 Parking brake 8058 046 Ignition switch RUN position Release the key to the RUN position when the engine has started For using accessory turn the key counter clockwise 8058 047 Ignition switch accessory ...

Page 21: ...acking must be checked on a flat and level concrete or blacktop surface Rotating the tracking knob allows fine tuning adjustments so the machine tracks straight with the steering control levers in the full forward position Rotate the knob clockwise as viewed from the operation position to increase the speed on the left lever Rotate counterclockwise to decrease speed 8058 044 Tracking knob Hydro Re...

Page 22: ... 2 Height pin Cut height selection pedals Fuel Shut Off Valve The fuel shut off valve is centered behind the rear of the seat The valve is off when the handle tab is turned perpendicular to the fuel line 8065 010 Fuel shut off valve in the CLOSED position Seat Adjustment Lever The seat can be adjusted lengthways When making adjustments the lever under the front edge of the seat is moved to the lef...

Page 23: ...ns 19 liters Regularly check the gas cap gasket for damage and keep the cap properly tightened The engine will run on a minimum of 87 octane unleaded gasoline no oil mix Environmentally adapted alkylate gasoline can be used See Technical Data concerning ethanol fuel Methanol fuel is not allowed Do not use E85 alcohol based fuel Damage to the engine and components may occur When operating in temper...

Page 24: ...rward to the neutral position and mower should stop moving To turn to the right While moving in a forward direction pull the right lever back towards the neutral position while maintaining the position of the left lever this will slow the rotation of the right wheel and cause the machine to turn in that direction To turn to the left While moving in a forward direction pull the left lever back towa...

Page 25: ...fficient fuel in the fuel tank 4 Adjust the seat to the desired position 5 Set the deck cutting height by inserting the lift pin into the desired cut height The following conditions must be fulfilled before the engine can be started The blade switch must be pressed downward into the disengaged position The parking brake must be up into the activated position Both steering controls must be in the l...

Page 26: ...tion by locking the lift pedal fully forward 3 Activate the parking brake 8058 043 Press the control for disengaging the mower deck 4 Disengage the mower blades by pressing the blade switch downwards 8058 044 Activate parking brake before starting 8058 048 Set mower deck to the transport position ...

Page 27: ...outward to the locked outer neutral position 8058 051 Turn to the START position 7 Open the fuel tank valve IMPORTANT INFORMATION The Briggs Stratton engine on this unit is equipped with Electronic Fuel Management EFM The engine choke is automatically regulated during starting and warm up 8065 013 Fuel valve in the OPEN position ...

Page 28: ...e engine does not start wait about 10 seconds before retrying 10 Set the engine speed with the throttle Allow the engine to run at a moderate speed approximately mid throttle for 3 5 minutes before loading it too heavily USE FULL THROTTLE WHEN MOWING WARNING Engine exhaust and certain vehicle components contain or emit chemicals considered to cause cancer birth defects or other reproductive system...

Page 29: ... Battery in the Maintenance section Jumper Cables Use 1 Connect each end of the RED cable to the POSITIVE terminal on each battery taking care not to short against chassis 2 Connect one end of the BLACK cable to the NEGATIVE terminal of the fully charged battery 3 Connect the other end of the BLACK cable to a good CHASSIS GROUND on the mower with the discharged battery away from the fuel tank and ...

Page 30: ...ring controls to the neutral position N 3 Release foot pedal latch and lower deck to set cutting height 8058 048 Cutting height selection 8058 053 Move the throttle to FULL and engage the mower deck 8058 044 Parking brake 4 Move throttle control to full throttle rabbit symbol 5 Engage the mower deck by pulling out the blade switch WARNING Make sure that no one is near mower when engaging blade swi...

Page 31: ...Engage the parking brake IMPORTANT INFORMATION When control levers are in the reverse position they return to neutral when released This may cause the mower to suddenly stop WARNING Do not drive up or down hills with slopes greater than 10 degrees Do not drive across slopes 8058 044 Release the parking brake to restart movement 8061 040 Place controls in neutral position To restart movement releas...

Page 32: ... forward to the transport position 5 When the machine is standing still activate the parking brake by pulling the lever upward If the engine has been worked hard allow it to idle at least 60 seconds to attain a normal operating temperature before stopping To prevent fouling the spark plugs avoid idling the engine for longer periods 6 Turn the ignition key to the stop position 7 Remove key Always r...

Page 33: ... The lawn becomes more even and the grass clippings more evenly distributed over the mown area The total time taken is not increased as a higher operating speed can be used without poor mowing results Avoid mowing wet lawns The mowing result is poorer because the wheels sink into the soft lawn clumps build and the grass clippings fasten under the cowling Hose the mower deck underside with water af...

Page 34: ...ck to the highest transport position 2 Pull the release levers up and out of the keyhole slots Release the levers with the head outside the bracket and held into the bypass setting 3 To reengage the IZTs to drive reverse the above procedure Load the machine into truck or trailer by driving up ramps in low gear DO NOT LIFT The machine is not intended to be lifted by hand WARNING Use extreme caution...

Page 35: ...re screws nuts Clean under the mower deck Start the engine and blades listen for unusual sounds Check for damage Thoroughly clean around the engine Clean around belts belt pulleys Check the tire pressures Check battery connections Sharpen3 Replace mower blades Clean the engine s cooling air intake 2 Clean the air cleaner s pre filter 2 foam Clean the air cleaner s filter cartridge 2 paper filter C...

Page 36: ...etely stopped Disconnect the spark plug wire from all spark plugs and place the wire where it cannot come in contact with the plug MAINTENANCE Daily At least once each year Maintenance interval in hours Before After 50 250 500 Check adjust throttle cable Check the condition of belts belt pulleys Change the engine oil 1 Replace the engine oil filter Clean replace the spark plugs Replace the fuel fi...

Page 37: ...ry cable ends with wire brush until shiny 5 Coat terminals with grease or petroleum jelly 6 Reinstall battery Replacing battery 1 Lift seat and rotate forward 2 Open terminal access doors 3 Using two wrenches disconnect BLACK battery cable then RED battery cable 4 Using a 7 16 wrench remove the bolts on either side of the terminal guard and lift off guard 5 Carefully remove the battery from the mo...

Page 38: ...blades are engaged and the driver temporarily moves off the driver s seat IMPORTANT INFORMATION To be able to drive the driver must sit in the seat and release the parking brake before the steering controls can be moved into the neutral position otherwise the engine will stop 8061 032 Conditions for starting Tire Pressures Fill tire pressures to 15 psi 103 kPa 1 bar IMPORTANT INFORMATION DO NOT ad...

Page 39: ...ic clutch on the engine shaft and off the mower deck Deck Belt Installation NOTE For ease in installing the deck belt refer to the routing decal on the deck 1 Wrap the deck belt around the electric clutch pulley that is located on the engine shaft 2 Route the belt forward between the spring loaded and stationary pulleys 3 Place belt around spring loaded idler pulley 4 Wrap the belt around the stat...

Page 40: ...pump idler arm shift the arm to create slack in the belt 5 With the idler arm in the slack position slip a screwdriver clevis pin or similar into the 3 8 hole in the plate that sits between the two fan covers This will keep the idler in the extended position and allow removal of the breaker bar 6 Remove belt from the engine and pump pulleys over the top of the fans Belt Installation 1 If the pump ...

Page 41: ... spindle housing 3 Seat the blade s opening firmly onto the spindle housing 4 Tighten blade bolt securely 5 Torque blade bolt to 45 55 ft lbs 60 75 Nm 8058 167 1 Blade 2 Blade bolt special 3 Cutter housing Blade attachment IMPORTANT INFORMATION Special blade bolt is heat treated Replace with a Husqvarna bolt if required Do not use lower grade hardware than specified WARNING Before performing any s...

Page 42: ...rge side of the mower deck Retain this measurement Move to the opposite side check that measurement is the same If adjustment is required loosen the locknut and move mounting bolt up or down in slot until both side to side measurements are equal Retain measurement 3 Turn both outer blades to align with the deck in front to rear manner Reposition rear mounting bolts up or down until rear of mower d...

Page 43: ...itions IMPORTANT INFORMATION Adjust anti scalp rollers with the mower on a flat level surface IMPORTANT INFORMATION To avoid deck damage the anti scalp rollers must not be adjusted to support the deck Anti scalp rollers can be set in three positions Upper position 1 to 3 38 to 76 mm grass Middle position 3 to 4 76 to 114 mm grass Lower position 4 to 6 114 to 152 mm grass The rollers should be appr...

Page 44: ...the mower deck will increase the machine s life span Make it a habit to clean the machine directly after use after it is cooled before the dirt sticks Do not spray water on the top of the mower deck Use compressed air to clean the top side of mower deck Regularly clean deck and underside of the deck with normal water pressure Do not use a high pressure washer or steam cleaner Avoid spraying engine...

Page 45: ...th grease unless otherwise stated use high grade molybdenum disulphide grease For daily use the machine should be lubricated twice weekly Wipe away excess grease after lubrication It is important to avoid getting lubricant on the belts or the drive surfaces on the belt pulleys Should this happen attempt to clean them with spirits If the belt continues to slip after cleaning it must be replaced Gas...

Page 46: ...unt Lubricate with a grease gun until the grease is forced out Front Wheel Bearings Lubricate 3 4 strokes with a grease gun on each set of wheel bearings 8058 057 Lubricating front wheels 8058 058 Deck spindle Deck Spindles Lower the cutting deck completely If a grease gun without rubber hose is used the foot plate must be removed Lubricate with a grease gun 2 3 strokes per spindle ...

Page 47: ... three quarters to one full turn after the filter gasket contacts the filter base surface 5 Reinstall the filter guard Torque screws to 65 in lbs each 6 Repeat steps on the opposite side 7 Drain old oil filters of all free flowing oil prior to disposal Place used oil in appropriate containers and dispose of it in accordance with laws in your area 8 Remove the top port plug see illustration from th...

Page 48: ... operating conditions See Moving Machine By Hand in the Operation section for bypass linkage adjustments 1 Disengage the brake if activated 2 With the bypass linkage open and the engine running at fast idle slowly move the directional control in both forward and reverse directions 5 or 6 times As air is purged from the unit the oil level will drop 3 With the bypass linkage closed and the engine ru...

Page 49: ...engine over Dead battery Poor contacts on the battery terminal cable connections Fuse blown Ignition system faulty Fault in the starter safety circuit See Safety System in the Maintenance section Engine runs rough Faulty carburetor Clogged fuel filter or jet Clogged ventilation valve on the fuel cap Fuel tank nearly empty Fouled spark plug Spark plug is loose Rich fuel mixture or fuel air mixture ...

Page 50: ...ine charging system Machine moves slowly unevenly or not at all Parking brake on Bypass linkages on pump open Drive belt for the transmission gears slack or has come off Air in hydraulic system Mower deck not engaging Drive belt for the mower deck has come loose Contact for the electromagnetic coupling has loosened The blade switch is faulty or has come loose from the cable contact The fuse has bl...

Page 51: ...tanks or add a fuel stabilizer Start the engine and allow it to run until the carburetor is drained of fuel or the stabilizer has reached the carburetor 5 Remove the spark plug and pour about a tablespoon of engine oil into the cylinder Turn over the engine so that the oil is evenly distributed and then refit the spark plug 6 Lubricate all grease zerks joints and axles 7 Remove the battery Clean c...

Page 52: ...HT GRN WHT BLK RED BLK BLK PUR RED BLK RED BLK YEL YEL YEL BRN GRY GRN GRN GRN YEL RED BLK BLK RIGHT MOTION CONTROL LEVER LEFT MOTION CONTROL LEVER BRAKE SWITCH TO ENGINE PIGTAIL SEAT SW T 3 T 4 T 5 ELECTRIC CLUTCH ENGINE GROUND BLU BLK BLU BRN BRN YEL BLK BRN WHT YEL BLK TIMER B S L A Y M T 6 T 1 T 2 HOURMETER BRN YEL PUR PUR PUR WHT PUR G 52 WIRING DIAGRAM ...

Page 53: ...1 Km h Speed reverse 0 5 mph 0 9 7 Km h Brakes Mechanical parking brake Front caster tires smooth tread 13 x 6 5 Rear tires turf pneumatic 23 x 10 50 4 ply Tire pressures 103 kPa 1 bar 15 PSI 1 See the engine manufacturer s owner manual for engine specifications 2 The power rating of the engines indicated is the average net power output at specified rpm of a typical production engine for the engin...

Page 54: ...9 Vibrations 1 Steering Lever 3 09 m s2 Seat 0 14 m s2 Operator Ear 2 Sound Level at Operator s Ear 94 dB A Guaranteed Noise Level 105 dB A Measured Noise Level 104 dB A 1 Vibration level according to EN 836 Reported data for vibration level has a typical statistical dispersion standard deviation of 0 2 m s2 steering levers and 0 8 m s2 seat 2 Sound pressure level according to EN 836 Reported data...

Page 55: ... 203 225 305 250 339 370 502 7 8 378 513 591 801 11 8 782 1060 1410 1912 Grade 5 Minimum commercial quality lower quality not recommended Metric Standard Hardware Grade Grade 8 8 Grade 10 9 Grade 12 9 Size ft lbs Nm ft lbs Nm ft lbs Nm Shank Size Diameter in millimeters fine or coarse thread M4 1 5 2 2 2 3 2 7 3 6 M5 3 4 4 5 6 5 2 7 M6 5 2 7 7 5 10 8 2 11 M7 8 2 11 12 16 15 20 M8 13 5 18 18 8 25 2...

Page 56: ...declares under sole responsibility that the machine types stated on page 1 of this manual from 2010 s serial numbers and onwards the year is clearly stated in plain text on the rating plate with subsequent serial number complies with the requirements of the COUNCIL S DIRECTIVES of May 17 2006 relating to machinery 2006 42 EC annex IIA of December 15 2004 relating to electromagnetic compatibility 2...

Page 57: ...rive to both wheels Check the mower deck adjustment Check Safety switch for the parking brake Safety switch for the mower deck Safety switch in the seat Safety switch in the steering controls Parking brake functionality Driving forward Driving backward Engaging the blades Check engine high idle speed Inform the customer about Need and advantages of following the service schedule Need and advantage...

Page 58: ...urs Change the engine oil Check hydraulic oil level Inspect hydraulic hoses Inspect hydraulic belt Inspect hydraulic filter Check neutral position Check safety system Check seat belt Check fuel system for leaks Inspect safety guards and shields Check brake adjustment ...

Page 59: ...debris from mower Check engine oil level Check the tire pressures Check underside of deck Inspect deck pulleys Check clean the engine s cooling air intake Check safety system Check seat belt Check fuel system for leaks Inspect safety guards and shields Check brake adjustment ...

Page 60: ...ur Service Check the fuel pump s air filter Sharpen Replace mower blades if required Check the tire pressures Check battery with cables Lubricate according to lubrication chart Check clean the engine s cooling air intake Clean the air cleaner s pre filter foam ...

Page 61: ...g Inspect fuel filter Check engine RPM Clean underside of deck Check blade pitch Grease blade spindles Inspect spindle bearings Inspect deck belt and blades Inspect idler arm bearings Inspect deck idler pulleys Check hydraulic oil level Inspect hydraulic filter Inspect hydraulic drive belt Inspect hydraulic hoses Check neutral position Inspect battery connections Check safety system Check seat bel...

Page 62: ...gine RPM Clean underside of deck Check blade pitch Grease blade spindles Inspect spindle bearings Inspect deck belt and blades Inspect idler arm bearings Inspect deck idler pulleys Change hydraulic oil Change hydraulic filter Replace hydraulic drive belt Inspect hydraulic hoses Check neutral position Inspect battery connections Load test battery Clean electrical connections Inspect the clutch Chec...

Page 63: ... cooling air intake Replace the air cleaner s pre filter foam Replace the air filter s paper cartridge Change the engine oil Replace the engine oil filter Check adjust the cutting height Check adjust the parking brake Clean Change the spark plugs Inspect spark plug Check the engine valve clearance ...

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Page 65: ...2011 09 15 115 39 51 27 Rev D Original instructions www husqvarna com ...

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