Instructions

Step 1

Be sure the mower is on a flat level surface.  Turn the engine off and make sure it is cool.  Disconnect the spark plug ignition wire.

Step 2

Replacing the spark plug.

Step 3

Replace worn or damaged spark plug.  Check the old spark plug or your operator's manual for the correct part number.

Step 4

Change the oil.

Step 5

Remove the dip stick.  Then using the Arnold Siphon Pump, place the top tube into the dip stick hole on the engine and the bottom tube into the oil pan.

Step 6

Prime the pump by pumping the handle three to four times.  Once the oil begins to flow, it will flow without further pumping.

Step 7

Remove the Arnold Siphon Pump.

Step 8

Add new oil as instructed in your operator's manual.

Step 9

Replace the dip stick.  Wait several minutes, then use the dip stick to check oil level.

Step 10

Replace the air filter.

Step 11

Release the thumb screw to remove the air filter cover.

Step 12

Remove the paper and foam elements.

Step 13

Separate the foam element from the paper element.

Step 14

Apply a few drops of clean engine oil to the new foam element and squeeze out all excess oil.

Step 15

Install the new foam and paper elements.

Step 16

Replace the cover and secure it to the mower.

Step 17

Clean the undercarriage.  Inspect and replace the mower blade.

Step 18

Tilt the mower on its side with the air filter facing up.  Clean the undercarriage of dirt, grass clippings and other objects that may have become lodged there.

Step 19

Wearing gloves for protection, inspect your blade for ware or damage.

Step 20

Use the Arnold Blade Removal Tool to hold the blade in place.  Then using a socket, loosen the bolt securing the cutting blade to the engine drive shaft.

Step 21

Remove the blade.

Step 22

Assemble the new blade and blade adapter on the engine crankshaft and tighten the bolt to the proper torque as indicated in your operator's manual.

Step 23

If your blade only needs sharpening, use the Arnold Blade Sharpener and Balancer Kit.

Step 24

Remove the Arnold Blade Removal Tool.

Step 25

Check the mower for any other broken or worn parts including belt cover, belts, discharge chute, bag, mulch plug, and tires.  Check and adjust cables.

Step 26

Replace any of these worn or broken parts with the correct replacement parts as noted in your operator's manual.

Step 27

Finally, add a fuel stabilizer to the fuel tank to prevent fuel from spoiling while the mower is not in use.