Manuals / Brands / Lawn and Garden / Lawn Mower / Simplicity / Lawn and Garden / Lawn Mower

Simplicity 2690444, 2690445, 5100723 MOWER BELT REPLACEMENT, tension, A. Idler Arm, A. Spindle Pulley, B. PTO Drive Belt, Figure 41. Mower PTO Belt, B. Stationary Idler Pulley

1 44

Download 44 pages, 2.76 Mb

Troubleshooting, Adjustment & Service

MOWER BELT REPLACEMENTTo avoid damaging belts, DO NOT PRY BELTS OVER PULLEYS.

B

Troubleshooting

1.	Park the tractor on a smooth, level surface such
	as a concrete floor. Disengage the PTO, engage
	the parking brake, turn off the engine, and remove			A
	the ignition key.			A
2.	Lower the mower deck to its lowest cutting
	position and remove the mower deck guards.
3.	Using a 1/2” breaker bar, place the square end in			Figure 41. Mower PTO Belt
	the square hole located in the end of the idler arm			A. Idler Arm
	(A, Figures 41). Carefully rotate the breaker bar			B. Stationary Idler Pulley
	clockwise, which will relieve the tension on the belt
	exerted from the idler arm.				B
	WARNING			D	B	C
	WARNING
Use extreme caution when rotating the idler
		Reproduction
arm with the breaker bar, due to the increased
tension in the spring as the idler arm is being
rotated. Injury may result if the breaker bar is
prematurely released while the spring is under				A		A
tension.				A
4.	Slide the drive belt over the edge of the s a ionary			D	A
	idler pulley (B). Carefully release the tensi n n
	the breaker bar.
5.	Remove the old belt and replace with a new one.			Fig re 42. Mower PTO Belt Routing
	Make sure the V-side of the belt runs in the pulley			A. Spindle Pulley
	grooves (Figure 42).			B. PTO Drive Belt
6.	Install the drive belt on the PTO pulley, the spindle			C. Spring-loaded Idler Pulley
6.	Install the drive belt on the PTO pulley, the spindle			D. Stationary Idler Pulley
	pulleys and all idler pulleys except the stationa y			D. Stationary Idler Pulley
	pulleys and all idler pulleys except the stationa y
	pulley (B, Figure 41). Carefully rotate the breaker
	bar clockwise and install the belt		the stationary
	idler pulley (B). Carefully release the t nsion on
	the breaker bar.
7.	Reinstall the mower deck guards.
8.	Run the mower under no-load condition for about
	5 minutes to break-in the new belt.

40	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