Category Archives: 1025R

John Deere – 1023E, 1025R and 1026R – Test Fuel Injection System

[1] – Connect fuel injection nozzle to D01109AA Diesel Fuel Injection Nozzle Tester using parts from D01110AA Adapter Set and 23622 Straight Adapter. Injection Nozzle Test Equipment [2] – IMPORTANT: Use clean, filtered diesel fuel when testing injection nozzles for best results. Test fuel injection nozzle opening pressure following the Nozzle Tester manufacturer′s instructions. Results:… Read More »

John Deere – 1023E, 1025R and 1026R – Test Oil Pressure

[1] – Park machine safely. [2] – Allow engine to cool. [3] – Remove wire to oil pressure switch. The oil pressure switch is located on the left side of the engine near the oil filter. [4] – Unscrew oil pressure switch from block. [5] – Install connector tool into block. [6] – Connect hose… Read More »

John Deere – 1023E, 1025R and 1026R – Pressure Test Radiator Cap

[1] – Park machine safely. [2] – Check that cooling system is cool and squeeze top radiator hose to check that system pressure has dropped. [3] – Remove radiator cap. [4] – Install radiator cap on appropriate adapter. [5] – Attach adapter to D05104ST pressure pump. [6] – Apply pressure. Pressure valve in cap should… Read More »