HT25 - LUBRICATION 61 Interval Task Page 10 hours Check engine oil 63 Check hydraulic oil 67 Lube trencher pivot 69 Lube trencher tail roller 69 Lube trencher outboard bearing (centerline attachments only) 69 Lube backfill blade pivot 71 50 hours Change engine oil and filter (initial) 63 Change hydraulic oil filter (initial) 67 Check trencher gearbox oil 70 Change trencher gearbox oil (initial) 70 100 hours Check track planetary oil 65 Change track planetary oil (initial) 65 150 hours Change engine oil and filter 63 250 hours Change hydraulic oil filter 67 500 hours Change trencher gearbox oil 70 1000 hours Change track planetary oil 65 Change hydraulic oil 67 p SCHEDULE SCHEDULE Interval Task Page Check engine oil 63 Check hydraulic oil 67 Lube trencher pivot 69 Lube trencher tail roller 69 Lube trencher outboard bearing (centerline attachments only) 69 Interval Task Page Check engine oil 63 Check hydraulic oil 67 Lube trencher pivot 69 Lube trencher tail roller 69 Lube trencher outboard bearing (centerline attachments only) 69