C13, C15, and C18 Tier 4 Final Engines Exhaust Combustion (ARD) Caterpillar


Exhaust Combustion (ARD)
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Illustration 1g03534597

Table 1
Specification for 418-4590 Exhaust Combustion and Mounting Gp 
Item  Qty  Part  Specification Description 
199-2267 Bolt  Before assembly, lubricate the threads and the bearing surfaces with Loctite Nickel Anti-Seize. 
5C-2537 Bolt  Before assembly, lubricate the threads and the bearing surfaces with Loctite Nickel Anti-Seize. 
348-3426 Bolt  Before assembly, lubricate the threads and the bearing surfaces with Loctite Nickel Anti-Seize. 


Illustration 2g03534598
355-0883 Exhaust Combustion Gp

Table 2
Item  Qty  Part  Specification Description 
293-4967 Taperlock Stud  Before assembly, lubricate the threads and the bearing surfaces with Loctite C5A Copper Anti-Seize.
Torque to 17 ± 2 N·m (150 ± 18 lb in)
291-5204 Locknut  Use the following procedure to tighten the locknuts:
1. Tighten the locknuts to 23 ± 3 N·m (204 ± 27 lb in) in crisscross pattern in the order as shown in Illustration 2.
2. Tighten the locknuts to 28 ± 3 N·m (248 ± 27 lb in) in crisscross pattern in the order as shown in Illustration 2.
3. Re- tighten the locknuts to 28 ± 3 N·m (248 ± 27 lb in) in crisscross pattern in the order as shown in Illustration 2. 
295-3099 Spark Plug  Torque to 57.4 ± 4.0 N·m (42.3 ± 2.9 lb ft)


Illustration 3g03534599
433-3675 Combustion Head Gp

Table 3
Item  Qty  Part  Specification Description 
342-1471 Connector  Torque to 30 ± 2 N·m (266 ± 18 lb in). Final torque of 30 ± 2 N·m (266 ± 18 lb in) must occur within the angle rotation of 16 to 43 degrees from a pretorque level of 10 N·m (89 lb in)
353-3311 Filter Adapter  Torque to 60 ± 6 N·m (44 ± 4 lb ft)
344-7833 Bolt  Use the following procedure to tighten the bolts:
1. Torque to 3.3 ± 0.5 N·m (29.2 ± 4.4 lb in) and then rotate the fastener to angle of 45 ± 3 degrees.
2. Torque to 5.5 N·m (48.7 lb in) for torque-turn method.
3. Torque to 7.3 ± 1.0 N·m (64.6 ± 8.9 lb in) for torque method. 
10  342-1466 O-Ring Seal  Before assembly, lubricate the seal with clean oil. 
11  342-1467 O-Ring Seal  Before assembly, lubricate the seal with clean oil. 
12  342-1468 O-Ring Seal  Before assembly, lubricate the seal with clean oil. 
13  8T-9405 Bolt  Torque to 2.65 ± 0.25 N·m (23.45 ± 2.21 lb in)

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