HT25 - LUBRICATION 63 om0448h.eps 1 2 Add DEO at fill (2) as necessary to keep oil level at highest line on dipstick. Change oil and filter after first 50 hours of operation and every 150 hours thereafter. Change oil more frequently if working in dusty conditions. Drain crankcase through drain (2) while oil is warm. Replace filter (1) each time oil is changed. Check engine oil at dipstick (1) before operation and every 10 hours thereafter. Refill with DEO at fill neck. Engine Oil and Filter p Check Change ENGINE 1 2 1 2 1 2 1 2