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ALWAYS DISENGAGE BLADE OPERATION BEFORE 
DISMOUNTING.

 

9. Parking Brake:

 

Parking brake is on right hand side of floor area and is 

engaged by pushing full forward with foot. To disengage, 

pull lever back toward operator by hand. In emergency 

situations, brake may be used in conjunction with the 

natural braking of the transaxle by applying pressure with 

foot. Always set parking brake before dismounting. Be 

sure that parking brake is disengaged before moving.

 

MAINTENANCE

 

PRE-STARTING INSTRUCTIONS

 

1. Fill fuel tank with a good grade of regular gasoline. Do not 

mix oil with gasoline.

 

2. Attach the spark plug wire to the spark plug.

 

3. With mower on a level surface, fill the crankcase with a 

good grade of multi-purpose  10-30 oil as outlined in the 

engine instruction manual.

 

4. On model equipped with a battery be sure the battery is 

filled to proper fluid level  with electrolite solution. After 

initial filling, level may be retained with distilled water.

 

CAUTION:

 

5. During initial "Break In" period, the oil level should be 

checked often.

 

6. Check oil level every five operating hours or each time 

mower is used.

 

7. Change oil every 25 operating hours or sooner if equipment 

is operated in extremely dusty conditions.

 

BELT ADJUSTMENT

 

Main Drive Belt  - This belt should be kept taut to lengthen belt 

life and prevent loss of power. To tension belt, loosen 4 bolts 

which  hold the engine to the mount and the lock nut on the 

tension bolt at the rear of the machine. Tighten tension bolt until 

belt is taut and retighten the 4 bolts holding engine and tighten 

tension bolt lock nut.

 

MOWER DRIVE BELT

 

Belt tension for the mower drive belt is adjusted by turning the 

turnbuckle to provide more forward movement of the engaging 

idler.

 

REPLACE BELTS WHEN ADJUSTMENT CAN NO LONGER 
BE MADE SATISFACTORILY OR IF BELTS BECOME 
WORN.

 

Summary of Contents for ZTR421, ZTR422, ZTR423

Page 1: ...OPERATOR S MANUAL FOR ZTR 421 422 423 MOWER...

Page 2: ...irs done outside the factory or authorized service stations nor does it obligate us to assume any transportation charges in connection with the replacement of parts claimed to be defective Our warrant...

Page 3: ...ly familiar with the controls Your Dixon dealer will gladly provide a check out ride and answer any questions READ CAREFULLY You have purchased a top quality lawn mower that has been inspected at the...

Page 4: ...g neighbors But when mowing all persons especially children and pets should be cleared from the mowing area 2 Wear appropriate safe clothing when mowing close fitting jeans or slacks and heavy leather...

Page 5: ...awn mower by the body lift only by the frame ALWAYS SET PARKING BRAKE AND DISENGAGE BLADE OPERATION BEFORE DISMOUNTING IMPORTANT OPERATING INSTURCTIONS Dixon ZTR mowers offer a new concept in mowing p...

Page 6: ...n on mower s own axis Zero radius reduce speed and move one lever to reverse position and the other to forward position BRAKING To brake mower move both levers in direction opposite of travel release...

Page 7: ...y be sure the battery is filled to proper fluid level with electrolite solution After initial filling level may be retained with distilled water CAUTION 5 During initial Break In period the oil level...

Page 8: ...When reinstalling the two screws in transaxle body mount make certain brake arm retainer clips extend downward and are parallel with body mount B ZTR 422 Body Removal 1 Disconnect throttle cable from...

Page 9: ...th a mild detergent and waxed with any automotive type wax ENGINE Follow the manufacturer s instructions as to maintenance and repair TRANSAXLE For adjustment or repair confer with authorized Dixon de...

Page 10: ...guides Loosen belt keeper by loosening the two rear engine mount bolts this will allow belt to be placed on motor pulley Retighten engine mount bolts 6 Attach stabilizer arms to pivot point on the ins...

Page 11: ...BODY ASSEMBLY CHASSIS ASSEMBLY...

Page 12: ...MOWER DECK ASSEMBLY TRANSAXLE ASSEMBLY...

Page 13: ...581 Brake Pedal Arm 75 Model 1584 Brake Pedal 75 Model 3025 1 4 x 1 Spiral Pin 3026 1 4 x 1 1 2 Spiral Pin 3029 Front Grommet 3030 Rear Grommet 3054 3 16 x 1 Roll Pin 3070 1 4 x 1 1 4 Spiral Pin 3501...

Page 14: ...g 5025 Frame Assembly 5028 Bearing 5028 A Bearing Notched 5035 Transaxle Pulley 5036 Pivot Spring 5044 Torque Rod Stiffner Kit 5050 Positive Neutral Kit 6025 Mower Deck Assembly 6050 Mower Deck Weldme...

Page 15: ..._ Transaxle Serial Number_______________________ Oil changed this date 1 _______________________________________ 2 _______________________________________ 3 _______________________________________ Eng...

Page 16: ...Dixon and ZTR are the trademarks of Dixon Industries Inc Box 494 Coffeyville Kansas 67337 LITHO IN U S A FORM NO 812 476...

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