Ditch Witch HT25 — Ditch Witch HT25 Trencher Service Manual & Operator Guide PDF (EN)

66 HT25 - LUBRICATION HYDRAULICS Ref. Task Hours Lubricant 2 Check hydraulic oil 10 THF 1,3,4 Change hydraulic oil 1000 THF 4 Change hydraulic oil filter (initial) 50 4 Change hydraulic oil filter 250 p HYDRAULICS