WIRING GP-CAB 1842462 - Caterpillar

2. Disconnect the fuel line (1) for the pump to be removed by removing nut (2). Put a protective cover over the open end of fuel line. Move the fuel lines (1) out of the way.3. Remove the bolts (3). 4. Lift the pump body (5) straight up and remove body.5. Slide the plunger (4) from yoke of lifter. Remove the plunger (4). Keep the plungers with their respective pump bodies.Install Fuel Injection Pumps
1. Turn the pump plunger until tooth (2) of plunger is in alignment with mark (1) on rack. Install the plunger (3) by sliding end into yoke of lifter.
Be careful when installing pump barrels and plungers. Do not put plunger of one pump in barrel of another pump.
2. Install new seals. Install the pump body and barrel carefully over plunger and dowels on injection pump housing.3. Install the bolts. Tighten bolts, first one then another a small amount, alternately. Start with the two nearest the fuel rack. Tighten to 32 5 lb. ft. (43 7 N m).4. Remove covers from fuel lines. Connect fuel lines. Tighten fuel line nut to 25 to 35 lb. ft. (35 to 45 N m).5. Install dampers on fuel lines.