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ZT 50 w/50" Mower Deck

O

PERATOR’S

 

M

ANUAL

IMPORTANT:  READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

PRINTED IN U.S.A.

Warning:  

This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-

covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting 
applicable local or state laws (if any).  If a spark arrester is used, it should be maintained in effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code).  Other states may have 
similar laws.  Federal laws apply on federal lands.  A spark arrester for the muffler is available through your nearest engine authorized 
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.

FORM NO.  769-01148C

ZERO TURN TRACTOR

Model Numbers

(11/05)

ZT 42 w/42" Mower Deck

Содержание ZT 42

Страница 1: ...k arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands A spark arrester for the muffler is available through your nearest e...

Страница 2: ... seat as instructed in steps 2 through 6 2 Pivot the seat pivot bracket partially upward Refer to Figure 1 3 Note the grooves in the seat adjust spacers attached to the bottom of the seat then lift the seat and position above and to the rear of the pivot bracket 4 Align the grooves in the seat adjust spacers with the sides of the adjustment slots in the pivot bracket 5 Slide the seat adjust spacer...

Страница 3: ...RNING Battery posts terminals and related accessories contain lead and lead compounds Wash hands after handling The tractor is shipped with an activated sealed battery with the positive battery cable factory connected The negative cable must be connected NOTE Make sure the ignition switch is in the OFF po sition before attaching the battery cable 1 Pull the protective cap off the negative terminal...

Страница 4: ... manual and on the machine before starting Keep this manual in a safe place for future and regular reference 2 Only allow responsible individuals familiar with the instructions to operate the machine Know the controls and how to stop the machine quickly 3 Do not put hands or feet under the cutting deck or near rotating parts 4 Clear the area of objects such as rocks toys wire etc which could be pi...

Страница 5: ...use the slope gauge included as part of this manual to measure slopes before operating this unit on a sloped or hilly area If the slope is greater than 15 as shown on the slope gauge do not operate this unit on that area or serious injury could result DO Mow across slopes not up and down Remove obstacles such as rocks limbs etc Watch for holes ruts or bumps Uneven terrain could overturn the machin...

Страница 6: ...structed in this manual 8 After striking a foreign object stop the engine remove the wire from the spark plug and thoroughly inspect the mower for any damage Repair the damage before restarting and operating the mower 9 Grass catcher components are subject to wear damage and deterioration which could expose moving parts or allow objects to be thrown For your safety protection frequently check the ...

Страница 7: ...he Neutral Or For ward Positions INDICATOR INDICATOR WARNING WARNING Read The Operator s Manual Go Across Slopes Not Up And Down If Machine Stops Going Uphill Stop Blade And Back Down Slowly Avoid Sudden Turns Do Not Mow When Children Or Others Are Around Never Carry Children Even With Blades Off Look Down And Behind Before And While Backing Keep Safety Devices Guards Shields Switches Etc In Place...

Страница 8: ... AND FEET AWAY FROM ROTATING PARTS REMOVE OBJECTS THAT CAN BE THROWN BY THE BLADE IN ANY DIRECTION WEAR SAFETY GLASSES DO NOT MOW WHEN CHILDREN OR OTHERS ARE AOUND NEVER CARRY USE EXTRA CAUTION ON SLOPES DO NOT MOW SLOPES GREATER THAN 15 MOW UP AND DOWN NOT ACROSS AVOID SUDDEN TURNS USE LOW GEAR READ OPERATOR S MANUAL KEEP SAFETY DEVICES WORKING CHILDREN ZT50 ...

Страница 9: ...th the maintenance needed to ensure the satisfactory operation of your tractor The dealer has trained service person nel familiar with the latest servicing information is equipped with the latest tools and has a complete line of genuine White Outdoor service parts which assure proper fit and high quality All references to LEFT RIGHT FRONT and REAR unless specifically stated otherwise indicate that...

Страница 10: ...ELY WARNING Do not mow on inclines with a slope in excess of 15 degrees a rise of approximately 2 1 2 feet every 10 feet A riding mower could overturn and cause serious injury If operating a walk behind mower on such a slope it is extremely difficult to maintain your footing and you could slip resulting in serious injury Operate RZT zero turn tractors across the face of slopes rather than up and d...

Страница 11: ...eck Height Index RH and LH Drive Control Levers Deck Lift Handle Ignition Switch PTO Switch Transmission Bypass Rod Not Shown G Cup Holder Storage Tray Seat Adjustment Lever Not Seen Fuel Tank Cap Hour Meter Indicator Panel Throttle Control Choke Control Model ZT50 ONLY O Parking Brake Engagement Lever ...

Страница 12: ...tion switch has three positions as follow Figure 5 OFF The engine and electrical system is turned off ON The tractor electrical system is energized START The starter motor will turn over the engine Release the key immediately when the engine starts NOTE To prevent accidental starting and or battery discharge remove the key from the ignition switch when the tractor is not in use E Power Take Off PT...

Страница 13: ...r light will also flash when this display is active Follow the oil change intervals provided in the engine manual Indicator Panel Feature Battery Indicator Refer to Figure 7 Illuminates and the battery voltage is displayed briefly when the ignition switch it turned to the ON position Illuminates to indicate the battery voltage has dropped below 11 5 0 5 1 0 volts The battery voltage is also displa...

Страница 14: ...he choke knob controls the position of the engine choke Pull the knob out to choke the engine push the knob in to open the choke O Parking Brake Engagement Lever The parking brake engagement lever is located on the front left of the seat box frame and is used to engage the parking brake Pull the lever fully upward and to the left and lower into the J slot to engage the parking brake Pull the lever...

Страница 15: ... tank when the engine is running or while the engine is hot Allow the engine several minutes to cool before refueling Tighten the fuel cap securely BEFORE OPERATING YOUR TRACTOR Before you operate the tractor study this manual carefully It has been prepared to help you operate and maintain your tractor efficiently Familiarize yourself with the operations of all the instruments and controls This en...

Страница 16: ... engine starts however do not crank the engine con tinuously for more than 5 seconds at a time If the engine does not start within this time turn the key to OFF and wait a minute Try again after waiting 3 After the engine starts gradually pull the throttle control lever rearward past the choke detent position to the FAST position Do not use the choke to enrich the fuel mixture except as necessary ...

Страница 17: ... control lever in the slow idle position Run the engine for a short time to let engine speed stabilize at the idle speed Turn the ignition key to the OFF position and remove the key from the ignition switch NOTE Always remove the key from the ignition switch to prevent accidental starting or battery discharge if the equipment is left unattended PRACTICE OPERATION INITIAL USE Operating a zero turn ...

Страница 18: ... the stability of the tractor and could cause the tractor to flip over which may result in serious injury or death to the operator Slowly and evenly move both drive control levers forward The tractor will start to move forward See Figure 11 As the control levers are pushed farther forward the speed of the tractor will increase Figure 11 To slow the tractor move the controls lever rearward to attai...

Страница 19: ... or move the levers to the neutral position to stop the tractor IMPORTANT Always maintain your grasp on the drive control levers Do not release the levers to slow the tractor or to return to neutral Turning While Driving Rearward To turn the tractor while driving rearward move the control levers as necessary so that one lever is forward of the other The tractor will turn in the direction of the fo...

Страница 20: ...S Refer to the SLOPE GAUGE on page 10 to help determine slopes where you may not operate safely WARNING Do not operate on inclines with a slope in excess of 15 degrees a rise of approximately 2 1 2 feet every 10 feet The tractor could overturn and cause serious injury Always drive across slopes never up and down Control the speed and direction of the tractor using primarily the control lever on th...

Страница 21: ...or any reason while on a grass surface always Place the shift lever in neutral Engage the parking brake Shut engine off and remove the key Doing so will minimize the possibility of having your lawn browned by hot exhaust from your tractor s running engine CHECKING THE SAFETY INTERLOCK CIRCUITS Periodically check the safety interlock circuits to ensure they are working properly If a safety circuit ...

Страница 22: ...rol lever to align with the other set of holes in the pivot bracket and insert the shoulder screw removed earlier Fasten with the hex insert flange lock nut and tighten until snug Insert the carriage bolt through the pivot bracket and control lever slot Slide the bell washer onto the bolt and screw on the nut knob but do not fully tighten now If you are going to adjust the control levers forward o...

Страница 23: ...or disconnect battery charger clips to the battery while the charger is turned on as it can cause sparks Keep all sources of ignition cigarettes matches lighters away from the battery The hydrogen gas generated during charging can be combustible As a further precaution only charge the battery in a well ventilated area Always shield eyes and protect skin and clothing when working near batteries WAR...

Страница 24: ...battery SERVICING ELECTRICAL SYSTEM A fuse is installed to protect the tractor s electrical system from damage caused by excessive amper age Always use the same capacity fuse for replacement If the electrical system does not func tion check for a blown fuse See Figure 22 If you have a recurring problem with blown fuses have the tractor s electrical system checked by your White Outdoor dealer Figur...

Страница 25: ...e neutral position If after operating the tractor for some time it begins to creep while in the neutral position adjust the transmission control rods as follows Place the front of the tractor against an immovable object e g wall post etc Jack up the rear of the tractor so that both rear wheels are approximately one inch of the ground With the engine running at high idle and the drive control lever...

Страница 26: ... If the transmission drive belt becomes worn and causes the drive transmissions to slip the drive belt must be replaced To replace the drive belt proceed as follows Remove the deck drive belt from the PTO clutch on the bottom of the engine following the instruc tions in Deck Removal SECTION 5 MOWER DECK From beneath the rear of the tractor insert a 3 8 inch drive ratchet into the square hole of th...

Страница 27: ...ount of stabilizer for the capacity approximately 3 gallons of the fuel system Fill the fuel tank with treated fuel and run the engine for 2 3 minutes to get stabilized fuel into the carburetor Emptying the fuel system Prior to putting the tractor in storage monitor fuel consumption with the goal of running the fuel tank empty Run the engine until it begins to stall Use the choke to keep the engin...

Страница 28: ...se the deck to the upper position that allows for the most horizontal run of the belt between the deck idler pulleys and the PTO pulley on the bottom of the engine WARNING The muffler at the rear of the tractor may be extremely hot and could cause serious burns Use extreme caution when near the muffler or allow the muffler to fully cool before removing the belt Sitting behind the tractor facing fo...

Страница 29: ...he belt between the deck idler pulleys and the PTO pulley on the bottom of the engine WARNING The muffler at the rear of the tractor may be extremely hot and could cause serious burns Use extreme caution when near the muffler or allow the muffler to fully cool before removing the belt Install the belt in the PTO pulley on the bottom of the engine Route the backside of the belt around the fixed idl...

Страница 30: ...perly leveled when both blade tip measurements taken earlier are equal Figure 30 Retighten the hex cap screw on the right deck hanger bracket when proper adjustment is achieved ZT50 50 Inch Deck ONLY Loosen but do not remove the hex cap screw on the left deck hanger bracket Refer to Figure 31 Level the deck by using a wrench to turn the adjustment gear found immediately behind the hex cap screw ju...

Страница 31: ...upport the weight of the cutting deck Using the lift handle set the deck in the desired height setting then check the gauge wheel and if necessary adjust as follows With the deck set at the desired height check the distance between the gauge wheels and the ground If the gauge wheels are near or touching the ground they should be raised If the gauge wheels are too high they should be lowered Remove...

Страница 32: ...When servicing the mower deck be careful not to cut yourself on the sharpened blades The cutting blades must be kept sharp at all times Sharpen the cutting edges of the blades evenly so that the blades remain balanced and the same angle of sharpness is maintained If the cutting edge of a blade has already been sharp ened many times or if any metal separation is present it is recommended that new b...

Страница 33: ...he hex tapping screws securing the belt covers to the deck and remove the belt from the spindle pulleys Refer to Figure 36 Depending on which deck 42 or 50 you are working on install the new belt around the spindle pulleys as shown in the applicable graphic of Figure 36 Reinstall the belt covers Route the belt rearward between the two idler pulleys and reinstall the deck following the instructions...

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