John Deere 4045 and 6068 OEM Diesel Engines — OMRG33324 (16FEB04) PWT 4.5 & 6.8 Tier 2 (GB).pdf

Danger Warning about the dangers linked to fuel discharges under high pressure on engines equipped with Denso high pressure common rail (HPCR). ¾ Watch out for fuel under high pressure throughout the system ¾ Never dismantle the fuel lines, when the engine is running (lines under high pressure) ¾ It is better to work on the injection system when the fuel temperature is less than 30°C ¾ Wait at least 5 minutes after the engine stops before carrying out work on the injection system (check the pressure before doing anything) ¾ After changing the component, check that there are no fuel leaks.

Carry out this test with the engine protection closed (engine bonnet or other protection) ¾ Do not dismantle and reassemble the injector parts