Yard Machines 410 Using Mulcher, Handle Height, Carburetor, Making Adjustments, Cutting Height

Models: 21" Rear Discharge Push Mower through 429 410

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Using Mulcher

For a healthy lawn, never cut more than one-third of the total length of the grass at any one cutting. Lawn should be cut in the fall as long as there is growth.

This mower is designed to be operated at full throttle to give you the best cut and do the most effective job of bagging the cut grass.

WARNING: If you strike a foreign object, stop the engine. Remove wire from spark plug, thoroughly inspect the mower for any damage, and repair the damage before restarting and operating the mower. Extensive vibration of the mower during operation is an indication of damage. The unit should be promptly inspected and repaired.

Using Mulcher

(If equipped)

For effective mulching, do not cut wet grass because it tends to stick to the underside of the deck, preventing proper mulching of grass clippings.

New or thick grass may require a narrower cut. The ground speed should be adjusted to the condition of the lawn. If mowing has been delayed and the grass has been allowed to grow in excess of 4", mulching is not recommended. Mow using the grass bag to reduce the grass height to 3-1/4" maximum before mulching.

SECTION 6: MAKING ADJUSTMENTS

WARNING: Do not at any time make any adjustment to lawn mower without first stopping engine and disconnecting spark plug wire.

Cutting Height

An adjusting plate and thumb lever at each wheel position provides cutting height adjustment. Each adjusting plate has nine height positions.

Simply depress the lever towards wheel and move it to any of the nine positions for the desired cutting height. See Figure 14. All four levers on the four wheels must be placed in the same relative position for uniform cutting height.

Height

Adjustment

Lever

Figure 14

Remove the upper handle by removing the hand knobs and carriage bolts. Lay the upper handle out of the way, being careful not to bend or kink the cables.

Remove the hairpin clips from the weld pins on the handle brackets. Press outward on the legs of the lower handle, and remove it from the mower.

Lower

HandleSECTION 6: MAKING ADJUSTMENTSNotch

Figure 15

Turn the lower handle around so the notches on the bottom of the lower handle are facing forward as shown in Figure 15 . Reassemble, placing the bottom holes in the handle over the weld pins in the handle mounting bracket.

Reassemble the upper handle.

Place the hairpin clips in the inner holes in the weld pins and attach the starter rope as instructed earlier on page 7.

Handle Height

Your mower is shipped with the handle in the higher height position. To lower the handle height, proceed as follows.

Remove the starter rope from the rope guide.

Carburetor

Minor carburetor adjustments may be required to compensate for differences in fuel, temperature, altitude and load. To adjust carburetor, refer to the separate engine manual packed with your mower.

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Yard Machines 410, through 429 manual Using Mulcher, Handle Height, Carburetor, Making Adjustments, Cutting Height