C13, C15, and C18 Tier 4 Final Engines Caterpillar


Exhaust Combustion (ARD)

Usage:

826K 232


Illustration 1g03369739

Table 1
Specification for 355-0879 Exhaust Combustion Gp, 355-0875 Exhaust Combustion Gp, and 355-0879 Exhaust Combustion Gp 
Item  Qty  Part  Specification Description 
291-5204 Locknut  Use the following procedure to tighten the locknut 1 through the locknut 6 in the numerical sequence as shown in the Illustration 1:

1. Tighten in crisscross pattern to 23 ± 3 N·m (204 ± 27 lb in).
2. Tighten in crisscross pattern to 28 ± 3 N·m (248 ± 27 lb in).
3. Retighten in crisscross pattern to 28 ± 3 N·m (248 ± 27 lb in)
293-4967 Taperlock Stud  Before assembly, lubricate the threads and bearing surfaces with Loctite C5A Copper Anti-Seize.
Torque to 17 ± 2 N·m (150 ± 18 lb in)
295-3099 Spark Plug  Torque to 57.5 ± 4.0 N·m (42.4 ± 3.0 lb ft)
342-1471 Connector  Torque to 30 ± 2 N·m (266 ± 18 lb in) within angle of rotation of 16 to 43 degrees from a pre-torque level of 10 N·m (89 lb in).
Tighten the fitting to 30 ± 2 N·m (266 ± 18 lb in)
353-3312 Filter Adapter  Torque to 60 ± 6 N·m (44 ± 4 lb ft)
353-3311 Filter Adapter  Torque to 60 ± 6 N·m (44 ± 4 lb ft)


Illustration 2g03369748
433-3677 Combustion Head Gp

Table 2
Item  Qty  Part  Specification Description 
7(1)  344-7833 Bolt  Use the following procedure to tighten the bolts for torque-turn method:

1. Tighten to 3.3 ± 0.5 N·m (29.2 ± 4.4 lb in) and then rotate the fastener to 45 ± 3 degrees.
2. Final turn on torque-turn method must meet 5.5 N·m (48.7 lb in).
For torque method, tighten to 7.3 ± 1.0 N·m (64.6 ± 8.9 lb in)
8(1)  342-1467 O-Ring Seal  Before assembly, lubricate the O-ring with clean oil. 
9(1)  342-1468 O-Ring Seal  Before assembly, lubricate the O-ring with clean oil. 
10(1)  342-1468 O-Ring Seal  Before assembly, lubricate the O-ring with clean oil. 
(1) Not serviced separately
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