John Deere 3029, 4039, 4045, 6059, 6068 — OIL PRESSURE REGULATING VALVE INSTALLATION

Lubrication System/Oil Pressure Regulating Valve OIL PRESSURE REGULATING VALVE REMOVAL Remove oil pressure regulating valve plug. Check valve cone for excessive wear and damaged sealing face. Spring tension at a length of 42.5 mm (1.68 in.): 60 to 75 N (13.5 to 16.5 lb). CD7173 -UN-07MAR95 CD,3274,G25,17 -19-30MAR92 OIL PRESSURE REGULATING VALVE INSTALLATION NOTE: One or several shims (A) may be used to adjust the oil pressure. CD30413 -UN-10MAY95 1. Install valve, spring, shims, washer and plug in timing gear cover. 2. Tighten plug to following torque: —Aluminium timing gear cover: 95 N·m (70 lb-ft) —Composite material timing gear cover:

30 N·m (22 lb-ft) CTM3274 (01JUL99) 25-24 Saran Liter Engines CD,3274,G25,19 -19-01FEB94 060799 PN=185 OIL PRESSURE REGULATING VALVE SEAT REPLACEMENT 1. Remove valve seat bushing, using a suitable puller. -UN-07MAR95 2. Drive in new bushing, using special tools JD-248A and JDG536 or OTC813 until driver contacts cylinder block. IMPORTANT: Do not damage the slightly protruding CD7175A edge of the bushing as it is a sealing face. CD,3274,G25,18 -19-30MAR92 25 24