FLANGE AS 4211879 - Caterpillar

Removal Procedure
Illustration 1 g02360136
Illustration 2 g02360156
Cut cable strap (1) and cable straps (5) from harness assembly (2). Note: Ensure that all cable straps are removed for the harness assembly.
Slide locking tab (3) into the unlocked position. Disconnect harness assembly (2) from harness assembly (4).
Make temporary marks on temperature sensor (6) for installation purpose. Remove temperature sensor (6) from the Diesel Oxidation Catalyst (DOC) (7).
Illustration 3 g02360176
Cut cable straps (10) from harness assembly (2). Note: Ensure that all cable straps are removed for the harness assembly.
Make temporary marks on flame detection sensor (8) for installation purpose. Remove flame detection sensor (8) from ARD combustion head (9).
Remove harness assembly (2) Clean Emission Module (CEM). Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Bostik Pure Nickel
Anti-Seize Compound 1
B 5P-0325 Crowfoot Wrench 1
Ensure that all components are clean and free from wear and damage. If necessary, replace any components that are worn or damaged.
Illustration 4 g02360136
Illustration 5 g02360156
Position harness assembly (2) onto the bracket for the CEM.
Use tooling (A) in order to lubricate the thread of temperature sensor (6).
Install temperature sensor (6) to the DOC. Note: Ensure correct positioning of temperature sensor.
Use tooling (B) in order to tighten temperature sensors (6) to a torque of 45 N m (33 lb ft).
Connect harness assembly (2) to harness assembly (4). Slide locking tab (3) into the locked position.
Install new cable strap (1) and cable strap (5) to harness assembly (2). Note: Ensure that cable straps meet the Original Equipment Manufactures (OEM) specification.
Illustration 6 g02360176
Use tooling (A) in order to lubricate the thread of flame detection sensor (8).
Install flame detection sensor (8) to the ARD combustion head (9). Note: Ensure correct positioning of the temperature sensor.
Use tooling (B) in order to tighten flame detection sensor (8) to a torque of 45 N m (33 lb ft).
Install new cable straps (10) to harness assembly (2). Note: Ensure that cable straps meet the Original Equipment Manufactures (OEM) specification.