2014/02/07 Caterpillar


A New Air Lines Group Is Used on Certain Machine C175 High Altitude Arrangement Engines {1071}

Usage:

797F LAJ
Off-Highway Truck/Tractor:
797F (S/N: LAJ195-196,231,353,355,357,359,361,363-364,366,376-377,379,386,388,392,395,398,478)

Description of Change: The new air lines group utilizes improved mounting brackets for increased stiffness and durability.

Adaptable To:




Illustration 1g03496820

351-8997 Air Lines Gp

The new 351-8997 Air Lines Gp utilizes the new 442-4771 Elbow As .The new elbows are a direct replacement for the previous 352-0257 Elbow As. Table 1 contains the new parts needed for this change. Table 2 contains the effective serial numbers.

ReferenceRefer to Special Instruction, REHS9202, "Installation of the 351-8997 Air Lines Gp for Certain 797F Off-Highway Truck Engines" for installation instructions.

Table 1
Qty     New Part Number     Part Description    
6     164-5020     Lockwasher    
8     198-4766     Hard Washer    
26     198-4767     Hard Washer    
4     233-8484     Clamp    
1     422-7968     Bracket As    
1     422-7969     Bracket As    
2     439-5265     Bracket As    
2     442-4771     Elbow As    
8     6V-5684     Bolt    
8     6V-5842     Bolt    
6     6V-7673     Bolt    
18     6V-8197     Bolt    
4     8N-4401     V Band Clamp    

Table 2
Effective Serial Numbers    
S/N:LAJ00484-UP    

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