D348 INDUSTRIAL & MARINE ENGINES Caterpillar


Glow Plugs, Precombustion Chambers

Usage:

Install Glow Plugs

1. Put 5P3931 Anti-Seize Compound on the threads of glow plug (1).

2. Use tool (A) to install the glow plug in the precombustion chamber. Tighten the glow plug to a torque of 120 ± 24 lb.in. (13.6 ± 2.8 N·m).

3. Connect the wire to the glow plug.

end by:

a) install valve cover

Remove Precombustion Chambers

start by:

a) remove fuel injection valves

b) remove glow plugs (if so equipped)

1. Drain the coolant from the engine cooling system. Disconnect tube (2) from the precombustion chamber.

2. Use tool (A) and remove precombustion chamber (1) from the cylinder head.

3. Remove the gasket and O-ring seal from the precombustion chamber.

Install Precombustion Chambers

1. Install O-ring seal (2) and gasket (3) on precombustion chamber (1).

2. Put liquid soap on the bore of the cylinder head and on O-ring seal (2).

3. Put 5P3931 Anti-Seize Compound on the threads of the precombustion chamber.

4. Use tool (A) and install the precombustion chamber. Tighten to a torque of 150 ± 10 lb.ft. (205 ± 14 N·m).

5. Connect the tube to the precombustion chamber. Fill the cooling system to the correct level. See LUBRICATION AND MAINTENANCE GUIDE.

end by:

a) install glow plugs (if so equipped)

b) install fuel injection valves

Caterpillar Information System:

D348 INDUSTRIAL & MARINE ENGINES Fuel Injection Valve, Precombustion Chambers, Glow Plugs
D348 INDUSTRIAL & MARINE ENGINES Fuel Injection Valves
D348 INDUSTRIAL & MARINE ENGINES Fuel Injection Lines
D348 INDUSTRIAL & MARINE ENGINES Fuel Transfer Pump (Later Engine)
D348 INDUSTRIAL & MARINE ENGINES Fuel Transfer Pump (Earlier Engine)
D348 INDUSTRIAL & MARINE ENGINES Fuel Filter Housing
D348 INDUSTRIAL & MARINE ENGINES Jacket Water Pump
D348 INDUSTRIAL & MARINE ENGINES Sea Water Pump (Marine Engine)
D348 INDUSTRIAL & MARINE ENGINES Water Temperature Regulators And Housing (Later)
D348 INDUSTRIAL & MARINE ENGINES Water Temperature Regulators And Housing (Later Industrial Engine)
D348 INDUSTRIAL & MARINE ENGINES Water Temperature Regulators And Housings (Earlier)
D348 INDUSTRIAL & MARINE ENGINES Turbocharger Heat Shield (Marine Engine)
D348 INDUSTRIAL & MARINE ENGINES Variable Timing Unit
D348 INDUSTRIAL & MARINE ENGINES Fuel Injection Pump Housing And Governor
D348 INDUSTRIAL & MARINE ENGINES Fuel Priming Pump
D348 INDUSTRIAL & MARINE ENGINES Fuel Ratio Control
D348 INDUSTRIAL & MARINE ENGINES Fuel Ratio Control With Override
D348 INDUSTRIAL & MARINE ENGINES Governor
D348 INDUSTRIAL & MARINE ENGINES Governor (Earlier Engine)
D348 INDUSTRIAL & MARINE ENGINES Governor (Later)
D348 INDUSTRIAL & MARINE ENGINES Fuel Injection Pump Housing
D348 INDUSTRIAL & MARINE ENGINES Safety Shutoff Control
D348 INDUSTRIAL & MARINE ENGINES Service Meter
D348 INDUSTRIAL & MARINE ENGINES Service Meter And Tachometer Drive
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