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How to Change Hydraulic Fluid Gauge on Professional Wood Chipper: 2009 Altec DC912A

Updated: Nov 29, 2022

Worn and leaking hydraulic gauge on Altec DC 912A wood chipper

Changing out a hydraulic gauge on an industrial wood chipper is a relatively simple process.

Hydraulic plate and pump on a Altec DC912A wood chipper

Removing nuts on hydraulic tank top plate on an Altec DC912A wood chipper

Locate top plate and carefully remove the nuts holding the plate to the tank.

Remove top plate and place into a clean bucket.

Hydraulic tank drain plug on Altec DC912A wood chipper

Removing drain plug on Altec 9 inch commercial wood chipper

Locate the drain plug. Loosen and remove, drain the hydraulic fluid into a clean bucket to re-use. Have a helper watch the fluid level from the top and put the drain plug back in once fluid level is below the gauge.

Loosening bolts on old hydraulic gauge Altec DC912A wood chipper

Removing hydraulic gauge on Altec 9 inch professional wood chipper

Cleaning hydraulic gauge mounting surface on Altec professional wood chipper

Loosen bolts on the gauge and remove. Remove gasket and clean off the area.

Comparing hydraulic gauge mounting bolts Altec chipper

Be mindful to use correct bolts for replacement gauge, it may come with different sizes.

Installing new hydraulic gauge on 9 inch wood chipper

New hydraulic gauge installed on commercial chipper

Mount the new gauge and carefully countersink the bolts as you tighten them down.

Mounting hydraulic fluid tank top plate and pump on a commercial chipper

Refill the hydraulic tank, replace top plate.

Then get back to work!


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