After every 150 hours of use, the hydraulic oil needs to be replaced. The following hydraulic oils or equivalent are recommend for the log splitter’s hydraulic transmission system.

• SHELL Tellus 22
• MOBIL DTE 11
• ARAL Vitam GF 22
• BP Energol HLP-HM 22

To replace the hydraulic oil, follow the instructions below:

1. Turn off and unplug the log splitter. Make sure all moving parts have come to a complete stop.
2. Unscrew to remove the oil drain bolt with dipstick.
3. Turn the log splitter and let it stand on the supporting leg to drain the hydraulic oil off.
4. Turn the log splitter and let it stand on the rear wheels, and refill the hydraulic oil into the hole behind the oil drain bolt with dipstick.
5. Clean the oil drain bolt before thread them back. Make sure it is tightened to avoid leakage before place the log splitter horizontally.