Maintenance and Removal of Hydraulic System for the Oregon 620-120 Grinder
Learn how to remove the hydraulic system of the 620-120 electric grinder and general maintenance tips for the Oregon chainsaw sharpener.
Before you get started, you will need the following tools:
Part Number 546950 (replacement Hydraulic Assembly)
Long blade screw driver
Adjustable set of pliers
Snap ring removal tools