John Deere 3029, 4039, 4045, 6059, 6068 — STANADYNE DB2 OR DB4 FUEL INJECTION PUMP STATIC TIMING

Fuel System/Stanadyne DB2 or DB4 Fuel Injection Pump STANADYNE DB2 OR DB4 FUEL INJECTION PUMP STATIC TIMING Static timing with external marks Loosen attaching hex. nuts of fuel injection pump and pivot pump housing away from cylinder block as far as slots will allow. Then pivot it back again, but only far enough to align timing mark on pump flange (B) exactly with timing mark on cylinder block front plate (A). Tighten the three hex. nuts securing the pump to front plate to 25 N·m (18 lb-ft). CD7321 -UN-23MAY95 CD7320 -UN-23MAY95 See also “Dynamic Timing” in this Group. Static timing without timing marks Make sure piston no.

1 is at TDC on compression stroke and remove timing hole cover from injection pump. With attaching hex. nuts finger-tight, pivot the pump housing away from block as far as slots will allow. Then pivot it back until the timing marks (C) on cam ring and governor weight retainer are aligned. Tighten pump attaching nuts to 25 N·m (18 lb-ft). See also “Dynamic Timing” in this Group. CD,3274,G40,20 -19-28APR92 40 34 CTM3274 (01JUL99) 40-34 Saran Liter Engines 060799 PN=279