John Deere 4045 and 6068 OEM Diesel Engines — Test Glow Plugs for Continuity (4045HF475 And 6068HF475 Engines)

Lubrication & Maint./2000 Hour/24 Month Test Glow Plugs for Continuity (4045HF475 And 6068HF475 Engines) CAUTION: To prevent accidental starting of engine while performing this test, always disconnect NEGATIVE battery terminal. While checking valve clearance with rocker arm cover removed, check each glow plug for continuity using a multimeter. Check continuity between glow plug and ground on cylinder head. If resistance is infinite (no current), the glow plug is damaged and must be replaced. Install new glow plugs and torque to specifications. Specification Glow Plug—Torque 12—18 (9—13 lb-ft) ............................................

Reinstall rocker arm cover and crankcase ventilator tube. OUOD006,0000018 –19–05JUN02–1/1 35-15 021604 PN=173