John Deere 4045 and 6068 OEM Diesel Engines — Daily Prestarting Checks

Lubrication & Maintenance/Daily NOTE: Engine may be equipped with a water sensor at the fuel filter. In this case, an indicator light will signal the operator that water should be drained from the filter bowl. 3. Check the fuel filters for water or debris. If filter is fitted with a see-through bowl, drain as needed based on a daily visual inspection. RG12222 –UN–24MAY02 IMPORTANT: Drain water into a suitable container and dispose of properly. a. Loosen drain plugs (A) at bottom of fuel filters or bowls, if equipped, two or three turns. Drain Final Fuel Filter b. Loosen air bleed plug (B) two full turns on fuel filter mounting and drain water from bottom until fuel starts to drain out. c.

When fuel starts to drain out, tighten drain plugs securely. After draining water from the fuel filters, the filters must be primed by bleeding all air from the fuel system. See BLEEDING FUEL SYSTEM in Service As Required Section, later in this manual RG11955 –UN–05DEC01 Drain Primary Fuel Filter (If Equipped) A—Drain Plug B—Air Bleed Plug Continued on next page OURGP11,000018F –19–12FEB04–3/5 25-3 021604 PN=135