How to Add Hydraulic Fluid to a 6-Ton DR Wood Splitter

Written by russell wood
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How to Add Hydraulic Fluid to a 6-Ton DR Wood Splitter
A DR wood splitter makes it easy to stock up on fire wood (wood image by Henryk Olszewski from

Chopping firewood for your home can be a physically draining experience, and a wood splitter can make the job quicker and easier. DR makes a 6-ton wood splitter that uses hydraulic power to split the wood down the middle. The hydraulic pump on the wood splitter uses hydraulic fluid to push the ram, and if the fluid level drops for one reason or another, the wood splitter won't be able to do its job properly. To fix the problem, add hydraulic fluid to the system.

Skill level:

Things you need

  • 6mm hex wrench
  • #3 Phillips-head screwdriver
  • Mechanic's rags
  • AW32 hydraulic fluid

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  1. 1

    Unplug the DR wood splitter from the electrical socket. Push the operating handle down all the way until it can't be pushed down any further and hold it there for three seconds. Pull it up until it can't go any further and hold it there for three seconds. Repeat for four total up and down cycles, until the ram stays out all the way.

  2. 2

    Tip up the splitter from the front end, tilting it on the rear wheels, so that it's vertical. Locate the hydraulic fluid fill/drain port, which is the bolt with the hex-head key slot. Clean the area around the port using a mechanic's rag.

  3. 3

    Loosen the air bleed screw, which is just above the hydraulic fluid port on the end cap. Open it up using the Phillips-head screwdriver. Remove the hydraulic fluid fill/drain port cap using the hex-head key. Wipe down the dipstick underneath the cap using a mechanic's rag. Reinstall the dipstick with your hands, then pull it out of the splitter. Check the bottom of the dipstick to see if the fluid level is between the two marks on the base. If the fluid is lower than the bottom mark then you need to add fluid.

  4. 4

    Pour a small amount of the AW32 hydraulic fluid into the drain port, then recheck the level using the dipstick. Continue adding until the level is between the two marks on the dipstick. Reinstall the cap using the hex-head key.

  5. 5

    Tilt the splitter down onto the ground and plug in the outlet. Cycle the ram forward and back in the same manner that you did in step one, totalling four times.

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