Yard Machines 300 manual Belt Removal And Replacement

NOTE: We do NOT recommend the use of pressure washers to clean your unit. They may cause damage to electric components, spindles, pulleys, bearings or the engine. The use of pressure washers will result in shortened life and reduced serviceability.

BELT REMOVAL AND REPLACEMENT

Your tiller has been engineered with belts made of special material (Kevlar Tensile). They should not be replaced with an off-the-shelf belt. If belt replacement is required, order belt or belts by part number from your nearest authorized service dealer.

Forward Drive Belt - Part No. 754-0428Reverse Drive Belt (390 Only) - Part No. 754-0429

Reverse Drive Belt (Model 390 Only)

1.Disconnect and ground the spark plug wire against the engine.

2.Remove the two hex washer screws from the front of belt cover and remove the hex nut and flat washer from the side of the belt cover.

3.Remove belt cover. See Figure 18. Lift the belt off the transmission pulley.

4.Remove the hex nut which secures the reverse idler pulley to the idler bracket. Slide the idler pulley out and remove the belt. See Figure 19.

Self-Tapping Hex Nut and Washer

Screws

Belt

Cover

Figure 18

Engine

Pulley Forward Idler Pulley Nut

Belt

Figure 20 Model 390 Shown

5.Reassemble the new belt, following instructions in reverse order. Make certain the reverse drive belt is assembled with the wide side of the belt against the transmission and engine pulleys. Be certain to adjust the clutch control as instructed in the final clutch adjustment section of assembly instructions

Forward Drive Belt (See Figure 20)

1.	Model 340: Remove the belt cover by following
	step 1 and step 2 of the previous section.
	Model 390: Remove the reverse drive belt as
	instructed in the previous section.
2.	Remove the belt keeper from the idler pulley by
	removing the idler pulley nut.
3.	Lift belt off the idler pulley and transmission pulley.
	See Figure 20.
4.	Using a 9/16" wrench, remove bolt from engine
	pulley.
5.	Push reverse idler pulley bracket forward, and
	remove engine pulley and belt. See Figure 20.
6.	Reassemble the new belt, following instructions in
	reverse order. Make certain the forward drive belt
	is assembled with the wide side of the belt away
	from the transmission and engine pulleys. Be
	certain to adjust the clutch control as instructed in
	the final clutch adjustment section of assembly
	instructions.

Reverse

Idler

Pulley

Hex Nut

Forward Belt

Engine Pulley
	Reverse Belt	Transmission

Pulley

Figure 19 Model 390 Shown

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