3512C and 3516C Marine Engines Caterpillar


Air Lines

Usage:

3516C HZS


Illustration 1g03025438

Table 1
Specification for 363-1968 Air Lines Gp 
Item  Qty  Part  Specification Description 
6V-5103 O-Ring Seal  Lubricate the bore lightly with 5P-3975 Rubber Lubricant. 
243-2975 Clamp As  Before assembly, lubricate the threads, bearing surfaces, and the inside diameter of the clamp assemblies with Loctite C5A Copper Anti-Seize. 
Torque to 7.5 ± 1.0 N·m (66.4 ± 8.9 lb in).
344-0079 Bellows As  Ensure that the bellows are installed for proper flow direction as indicated on bellows by arrows. 


Illustration 2g03025439
Bolt tightening sequence

Table 2
Specification for 363-1968 Air Lines Gp 
Item  Qty  Part  Specification Description 
19  3B-1915 Bolt  Use the following procedure to tighten the bolts:
Tighten the bolts in the numerical sequence as shown in Illustration 2:
1. Tighten bolt (1) to 47 ± 9 N·m (35 ± 7 lb ft).
2. Tighten bolt (2) to 47 ± 9 N·m (35 ± 7 lb ft).
3. Tighten bolt (3) to 47 ± 9 N·m (35 ± 7 lb ft).
4. Tighten bolt (4) to 47 ± 9 N·m (35 ± 7 lb ft)

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