2015/04/15 Caterpillar


A New Hose Assembly Is Now Used in the Hoist Oil Lines Group and Water Lines Group on Certain Off-Highway Trucks {1380, 5057}

Usage:

770 BZZ
Off-Highway Truck/Tractor:
770 (S/N: BZZ1-UP)
772 (S/N: RLB1-UP)
Service Magazine, SEPD1216, 09 December 2010, "A New Hose Assembly Is Now Used in the Hoist Oil Lines Group and Water Lines Group on Certain Off-Highway Trucks". Disregard the original article. The revised article that follows reflects that an older version of the hose assembly may still be replaced by the new hose assembly.

Description of Change: The new hose assembly will better withstand the stress due to engine vibration so that the service life of the hose assembly will improve.

Adaptable To:




Illustration 1g02352629

Typical example

(5) 320-2783 Hose As

Routing hose assembly (5) with an additional clip (2) will eliminate the interference with the control valve group.

Table 1
Required Parts List    
Item     Qty     Part number     Description    
1     4     8T-4183     Bolts    
2     1     5P-4295     Clip    
3     1     360-1799     Hose As    
4     2     4J-0524     O-Ring Seals    
The new 360-1799 Hose As (3) is a direct replacement for the former 275-0110 Hose As and 315-6732 Tube As (or 307-0722 Tube As which was replaced by the 315-6732 Tube As in the 299-6272 Water Lines Gp, 269-9196 Hoist Oil Lines Gp, 299-6256 Hoist Oil Lines Gp and 279-2236 Hoist Oil Lines Gp .

The new 360-1799 Hose As is adaptable to the machines BZZ1-633 and RLB1-653.

The new 360-1799 Hose As is effective in production with the machines BZZ634-UP and RLB654-UP.

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