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Simplicity 2690444, 2690445, 5100723 Smooth Travel, Forward Travel Practice, Reverse Travel Practice, ZERO TURN, BASIC DRIVING, DRIVING PRACTICE, Travel, Travel, Forward, Reverse, Levers Gradually

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Operation

ZERO TURNDRIVING PRACTICE

The lever controls of the Zero Turn rider are responsive, and learning to gain a smooth and efficient control of the rider’s forward, reverse, and turning movements will take some practice.

Spending some time going through the maneuvers shown and becoming familiar with how the unit accelerates, travels, and steers — before you begin mowing —is absolutely essential to getting the most out of the Zero Turn rider.

Smooth Travel

The lever controls of the Zero Turn rider are responsive .

The BEST method of handling the ground speed control levers is in three steps — as shown in Figure 3.

FIRST place your hands onto the levers as shown.

Operation

Locate a smooth, flat area of your lawn — one		SECOND, to go forward
with plenty of room to maneuver. (Clear the area of		gradually push the levers
objects, people and animals before you begin.)		forward with your palms.
Operate the unit at mid-throttle during this practice		THIRD, to speed up
session (ALWAYS operate at full throttle when
		move the levers farther
mowing), and turn slowly to prevent tire slippage and
		forward. To slow down
damage to your lawn.
		smoothly, slowly move

	Reproduction
We suggest you begin with the Smooth Travel		the leve s toward neutral.
procedure to the right, and then advance through the
forward, reverse, and turning maneuvers.
You must release the parking brake prior to moving		Figure 3. Move Control
the control levers inward.			Levers Gradually

BASIC DRIVING

Forward Travel Practice

Reverse Travel Practice

Gradually move both ground speed control leve s —

LOOK DOWN AND BEHIND, then gradually move

evenly FORWARD from neutral. Slow down and

b th ground speed control levers evenly BACK from

repeat.

neutral. Slow down and repeat.

NOTE: Straight forward travel takes practice. If

NOTE: Practice backing up for several minutes before

necessary, top speed can be balance-adjust — see

attempting to do so near objects. The rider turns

the Speed Balancing Adjustment in the Adjustm nts

sharply in reverse as well as forward, and backing up

section near the back of this manual.

straight takes practice.

Forward

Reverse

Travel

Travel

Figure 4. Forward Travel

Figure 5. Reverse Travel

18	www.simplicitymfg.com

Contents

21HP Z -TurnRiders Mfg. No. D scription CitationReproductionSeries 23HP Zero-TurnRiders Page Table of Contents Safety Rules & Information Identification Numbers Safety Decals Safety Icons & Interlock System Operating Safety Read the ManualReproduction Children Slope Operation Thrown Objects Moving Parts Roll Bar Use Retaining Walls, Drop offs, and Water Overhead Obstacles Fuel and Maintenance Enclosed Areas GENERAL OPERATION TRANSPORTING AND STORAGE SLOPE OPERATION TOWED EQUIPMENT (RIDE-ONUNITS) CHILDREN EMISSIONS IGNITION SYSTEM Safety Rules and Information Safety Rules & Information ROLL BAR INSTRUCTIONS INSPECTION AND MAINTENANCE OF THE ROLL BAR SEAT BELT North American CE Models (Only) SAFETY DECALS Operational SAFETY Checks Deck Lift Pedal, Cutting Parking Brake Height Adjustment Pin & Deck Lift Lock Lever Throttle Control Choke Ground Speed Levers PTO (Power Take Off) Switch Ignition Switch Operation GENERAL OPERATING SAFETY STOPPING THE RIDER Smooth Travel Forward Travel Practice Reverse Travel Practice Practice Turning Around a Corner Practice Turning In Place Executing an End-Of-RowZero Turn RAISE & LOWER THE ROLL BAR AVOID SERIOUS INJURY OR DEATH FROM ROLL OVER: Keep roll bar in the raised position and use seat belt THERE IS NO ROLL OVER PROTECTION WHEN THE ROLL BAR IS DOWN Lower the roll bar only when necessary and NEVER remove it Tall Grass Requires Incremental Cutting Height of Grass When and How Often to Mow Operation Mowing Patterns Proper Broadcast Mowing Proper Mulching SAFETY ITEMS Before Every Spring Each CHECK TIRE PRESSURES Tire Pressure Figure 14. Checking Tire Pressure CHECKING / ADDING FUEL Lubricating the Front Casters Cleaning the Battery and Cables SERVICING THE MOWER BLADES Figure 22. Removing the Blade Mower blades are sharp. For your personal safety, do not handle mower blades with bare hands. Careless or improper handling of TROUBLESHOOTING THE RIDER PROBLEM CAUSE REMEDY Troubleshooting TROUBLESHOOTING THE MOWER TROUBLESHOOTING COMMON CUTTING PROBLEMS SEAT ADJUSTMENT GROUND SPEED CONTROL LEVER ADJUSTMENT Seat Adjustment Figure 25. Seat Adjustment Troubleshooting, Adjustment & Service PARKING BRAKE ADJUSTMENT Do not adjust the spring to be shorter than 1-15/16”(4,9 cm) when compressed. This may damage the brake mechanism Figure 28. Parking Brake Adjustment REAR SUSPENSION ADJUSTMENT POSITION #1 POSITION #2 (FACTORY SET) To adjust the spring pre-load: Blade Brake Check RETURN-TO-NEUTRAL NEUTRAL ADJUSTMENT Figure 33. Neutral Adjustment (RH side shown) A. Adjustment Linkage Rod Troubleshooting, Adjustment & Service DECK LEVELING ADJUSTMENT Figure 36. Check Lift Rod Timing Figu e Adjust Lift Rod Timing Figure HYDRAULIC PUMP DRIVE BELT REPLACEMENT 8 3/8” (21,2 cm) Figure 40. Hydraulic Pump Drive Belt MOWER BELT REPLACEMENT To avoid damaging belts, DO NOT PRY BELTS OVER PULLEYS Figure 41. Mower PTO Belt A. Idler Arm B. Stationary Idler Pulley 21 HP Briggs HydroGear PG-3H / HGM-12C 23 HP Briggs BELTS AND BLADES: & Stratton 48” Mower 23 HP Briggs & Stratton 52” Mower