HUB 1043140 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Turn the battery disconnect switch to the OFF position.
If the engine is equipped with a cover over the fuel injectors remove the cover. Refer to Disassembly and Assembly, "Fuel Injector Cover - Remove and Install".
Remove the breather tube from the valve mechanism cover. Refer to Disassembly and Assembly, "Crankcase Breather- Remove and Install".
Illustration 1 g01346250
Typical example
Disconnect harness assembly from bus bar (1).
Remove nuts (2) that secure bus bar (1) to glow plugs (3).
Remove bus bar (1) from glow plugs (3).
Remove glow plugs (3) from the cylinder head. Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 247-5377 Torque Wrench 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Ensure that the threads of the glow plugs are clean and free from damage. Replace any damaged glow plugs.
Illustration 2 g01346250
Typical example
Install glow plugs (3) into the cylinder head. Tighten the glow plugs to a torque of 15 N m (132 lb in).
Position bus bar (1) onto glow plugs (3). Install nuts (2) onto the glow plugs. Use Tooling (A) in order to tighten the nuts to a torque of 2 N m (17 lb in).
Connect harness assembly to bus bar (1).
Install the breather tube to the valve mechanism cover. Refer to Disassembly and Assembly, "Crankcase Breather- Remove and Install".
If the engine is equipped with a cover over the fuel injectors install the cover. Refer to Disassembly and Assembly, "Fuel Injector Cover - Remove and Install".
Turn the battery disconnect switch to the ON position.