BOX GP-JUNCTION 1643740 - Caterpillar

start by:a) remove valve covers 1. Disconnect the glow plug wire from the glow plug and clip (2) from fuel line (1). Remove line (1) with tool (A).
Put protection caps on all fuel line openings.
2. Remove nut (5) that holds valve (3) in precombustion chamber (4).3. Remove valve (3) with tool (B).Install Fuel Injection Valves (Precombustion Chamber)
1. Install nozzle (1) on valve body (2) finger tight. 2. Install injection valve (4) and nut (3) in precombustion chamber (5). Be sure the grooves (serrations) on valve (4) are in alignment with the grooves (serrations) in chamber (5).3. Tighten nut (3) to a torque of 55 5 lb.ft. (75 7 N m).4. Install the fuel injection line to fuel valve (4). Tighten the nuts to a torque of 30 5 lb.ft. (40 7 N m) with tool (A).5. Connect the glow plug wire to the glow plug and clip to the fuel line. Be sure the wire is clear of the valve springs.end by:a) install valve covers