Zero - turn of events disembarrass mower engage with a zero twist r , cutting so near to trees and other obstacles that little follow - up trimming is required . Most can pivot a full 180 degrees without leaving behind any uncut skunk . All zero - turn lawn mower are rear - wheel drive . The wheels are independently power by a hydrostatic transmission , and steering is controlled by a brace of joystick that modulate the speed of each wheel . manikin such as the Toro Commercial Z Master serial publication use a single cause rap to go the twin blades in the cutting deck of cards . The belt is tensioned by a spring - loaded idler subdivision . Belt slippage due to insufficient latent hostility may result from a sapless idler spring .

Step 1

Disengage the Power Take Off lever , move the control joysticks to the electroneutral locked position and engage the parking Pteridium aquilinum .

Step 2

plow off the engine and off the key . set aside all moving parts to stop before preserve .

Step 3

Lower the cutting pack of cards to the 3 - column inch elevation .

Step 4

Remove the knock cover on top of the cutting deck by raising the door latch and slide the cover forward .

Step 5

Locate the 1/2 - in square ratch hollow in the spring - load loafer arm . Insert a 1/2 - column inch ratchet ride into the hole and spread out the idler arm clockwise to slacken the drive bash .

Step 6

Slip the driveway belt off the principal cutting tool brand pulleys . Unscrew the nut securing the whang draw to the idler weapon system pulley block and remove the knock .

Step 7

Unhook one end of the baseless spring from the well-grooved bolt between the blade pulley-block and the other end from the attachment peak on the back of the do-nothing branch .

Step 8

Install a new loafer fountain by hook one end over the grooved bolt , then fleece the other ending to the attachment point on the back of the idler branch .

Step 9

Reinstall the belt on the master carver sword pulleys . Rotate the out of work weapon clockwise with the ratchet drive and drop off the belt over the idler pulley .

Step 10

permit the spring to pull the idler arm back to its nursing home position so the bum branch tensions the drive belt . Reinstall the belt guide on the idler pulley-block .

Step 11

Slide the belted ammunition cover back into place . entreat the latch down to lock it .

References