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Step 1: Position the Drive Head

Keep the drive head attached to the machine, hanging vertically. This ensures a clean drain of used oil.

Step 2: Remove the Drain Plug

Using an Allen wrench (8mm typical), remove the drain plug located on the side of the drive head.

Step 3: Drain the Oil

Allow the oil to fully drain into the pan. Once drained, reinstall the drain plug and tighten it hand tight.

Step 4: Lay Drive Head Flat

Place the drive head on the ground with the drain plug pointing straight up at the 12 o’clock position.

Step 5: Refill with Oil

Remove the drain plug again and refill the drive head with SAE 80W90 GL-5 oil. Note: Oil capacity is listed on the metal plate on the hood of your machine.

Step 6: Account for Residual Oil

Some oil will remain in the drive head even after draining, so the refill volume may be slightly less than the listed capacity.

Step 7: Level the Oil

Once filled, rotate the drive head from the 12 o’clock position to about the 11 o’clock position. Excess oil will drain from the hole.

Step 8: Final Tightening

When no more oil drains out at the 11 o’clock position, replace the drain plug and securely tighten it with the Allen wrench.