68 HT25 - LUBRICATION TRENCHER Ref. Task Hours Lubricant 1 Lube tail roller 10 EPG 2 Lube pivot 10 EPG 3 Lube outboard bearing (centerline attachments only) 10 EPG 4 Check trencher gearbox oil 50 MPL 4 Change trencher gearbox oil (initial) 50 MPL 4 Change trencher gearbox oil 500 MPL p TRENCHER