Yard-Man 21A-392B401 manual Maintaining Your Tiller

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SECTION 5: MAKING ADJUSTMENTS

WARNING: Disconnect the spark plug wire and ground it against the engine before performing any adjustments.

Engine Adjustment

Refer to the separate engine manual for engine adjustment instructions.

Wheel Adjustment

To adjust the wheel yoke and wheel position, refer to the Operating Section.

Depth Stake Adjustment

To adjust the depth stake to a desired position, refer to the Operating Section.

Clutch Control Adjustment

Periodic adjustment of the belt tension may be required due to normal stretch and wear on the belt. To adjust the clutch control lever, refer to the Assembly Section.

Tine Width Adjustment

The tilling width of the unit is 22 inches. Tilling width can be increased to 24 inches by removing the clevis pins and hairpin clips, sliding the outer tine out one inch, and securing in this position with the clevis pins and hairpin

clips. For cultivation, reduce the tine width to 13 inches by removing the outer tines completely. See Figure 12.

22”

24”

13”

Figure 12

SECTION 6: MAINTAINING YOUR TILLER

WARNING: Disconnect the spark plug wire and ground it against the engine before performing any repairs or maintenance.

Engine

Refer to the separate engine manual for engine maintenance instructions.

Maintain engine oil as instructed in the separate engine manual packed with your unit. Read and follow instructions carefully.

Service air cleaner every ten hours under normal conditions. Clean every hour under extremely dusty conditions. Poor engine performance and flooding usually indicates that the air cleaner should be serviced. To service the air cleaner, refer to the separate engine manual packed with your unit.

IMPORTANT: Never run your engine without air cleaner completely assembled.

The spark plug should be cleaned and the gap reset every 25 hours of engine operation. Spark plug

replacement is recommended at the start of each tiller season; check engine manual for correct plug type and gap specification.

Clean the engine regularly with a cloth or brush. Keep the cooling system (blower housing area) clean to permit proper air circulation which is essential to engine performance and life. Be certain to remove all dirt and combustible debris from muffler area.

Lubrication

Transmission

The transmission is pre-lubricated and sealed at the factory. It requires no checking unless the transmission is disassembled. See an authorized service dealer if the transmission is disassembled.

Tine Engagement Handle/Lever

Lubricate the pivot points on the tine handle/lever and the cable at least once a season with light oil. The controls must operate freely in both directions.

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Contents OPERATOR’S Manual Table of Contents Preparation Important Safe Operation PracticesTraining OperationMaintenance & Storage Your ResponsibilityRemoving Unit From Carton Before Assembly Setting Up Your TillerAssembling Your Tiller Loose Parts In CartonFinal Clutch Adjustment Know Your TillerOperating Your Tiller Removing End Caps Using Your TillerWheel Position Controlling Speed And Tilling DepthHandle Pressure CultivatingTransporting The Tiller Maintaining Your Tiller Belt Replacement Off-Season StorageTroubleshooting Problem Cause RemedyPage Model Part Description Model Model Page Page MANUFACTURER’S Limited Warranty for