2000/05/29 Caterpillar


New Turbocharger Oil Lines Groups {1052, 1307}

Usage:

525 1DN
Wheel Skidders:
515 (S/N: 4LR1-UP)
525 (S/N: 1DN1-UP)
Service Magazine, SEPD0526, 29 May 2000, "New Turbocharger Oil Lines Group". Disregard this article. See the article that follows.

Description of Change: Two new turbocharger oil lines groups have been introduced in order to route oil directly to the turbocharger from the oil filter base. The new turbocharger oil lines groups will supply oil to the turbocharger faster at engine start-ups. The delivery of the lubrication oil to the turbocharger by these new groups is considerably faster than the previous groups. The filtered oil is routed directly to the turbocharger without routing the oil across the drilled passages in the cylinder block.

Adaptable To: The new 188-8949 Turbocharger Oil Lines Gp replaces the former 8N-2594 Turbocharger Oil Lines Gp. This change is effective with 525 Wheel Skidders with aftercooled engines (S/N: 1DN02103-UP) and adaptable to (S/N: 1DN01040-02102).

The new 199-6583 Turbocharger Oil Lines Gp is now available to replace the former 8N-2594 Turbocharger Oil Lines Gp for all 515 Wheel Skidders (S/N: 4LR1-UP) and 525 Wheel Skidders with nonaftercooled engines (S/N: 1DN1-01039).

When the turbocharger is replaced on all 515 Wheel Skidders (S/N: 4LR1-UP) and on 525 Wheel Skidders that were built prior to March 2000 (S/N: 1DN1-02102), replacing the turbocharger oil supply line is recommended.

Note: The 8N-2594 Turbocharger Oil Lines Gp, the 188-8949 Turbocharger Oil Lines Gp, and the 199-6583 Turbocharger Oil Lines Gp are nonserviceable at the group level. You must service the individual components. The components that are required for conversion to the new groups are listed in the tables below:

Table 1
525 Wheel Skidders with Aftercooled Engines (S/N: 1DN01040-UP)
Parts that are Required to Convert to the New 188-8949 Turbocharger Oil Lines Gp    
Qty     Part Number     Description    
1     102-5869     Oil Tube Assembly    
1     8H-9788     Gasket    
1     6K-3607     Flared Connector    
1     1B-2790     Bolt    
1     4B-3388     Bolt    
1     124-0174     Clip    
1     2M-9780     O-Ring Seal    
1     9S-4185     O-Ring Plug    
1     102-5868     Hose Assembly    

Table 2
All 515 Wheel Skidders (S/N: 4LR1-UP) and 525 Wheel Skidders with Nonaftercooled Engines (S/N: 1DN1-01039)
Parts that are Required to Convert to the New 199-6583 Turbocharger Oil Lines Gp    
Qty     Part Number     Description    
1     199-6584     Oil Tube Assembly    
1     8H-9788     Gasket    
1     6K-3607     Flared Connector    
1     1C-0569     Bolt    
2     4B-3388     Bolt    
1     124-0174     Clip    
1     2M-9780     O-Ring Seal    
1     9S-4185     O-Ring Plug    
1     135-8287     Hose Assembly    
2     9M-1974     Hard Washer    
1     3E-4352     Hard Washer    

Table 3
Additional Required Parts
Converting the Oil Cooler Base
All 515 and All 525 Wheel Skidders    
Qty     Part Number     Description    
1     4P-8453     Cover    
1     9Y-6860     Gasket    
1     2B-2694     Bolt    
1     1B-9575     Bolt    

Procedure to Replace the Turbocharger Oil Supply Line




    Illustration 1g00713410

    8N-2594 Turbocharger Oil Lines Gp

  1. Remove the following items that tie 145-4659 Oil Supply Tube (7) to the drain tube.

  1. Remove 1T-0414 Bolts (5) and the 3E-4352 Hard Washers in order to remove 145-4659 Oil Supply Tube (7) .

  1. Remove 145-4659 Oil Supply Tube (7) and the 7H-3270 Gasket .

  1. Remove 8M-0505 Connector (6) and 3K-0360 O-Ring Seal (8) .

  1. Install a new 9S-4185 O-Ring Plug and 3K-0360 O-Ring Seal in the lower opening.



    Illustration 2g00767484

    8N-4457 Oil Filter Base

  1. Remove 8C-3446 Fluid Sampling Valve (9) from the oil filter base.

    Note: Be careful when you remove cover (11). Two springs are located under the cover. Slowly loosen bolts (10) in order to relieve the spring pressure.

  1. Carefully remove four bolts (10), the washers, cover (11), and the gasket.

  1. Install the new 4P-8453 Cover and 9Y-6860 Gasket on the oil filter base with the original bolts and washers in the outer holes.



    Illustration 3g00767564

    4P-8453 Cover

  1. Install the new 2B-2694 Bolt in hole (A) of the new cover. Install the new 1B-9575 Bolt in hole (B) of the new cover.

  1. Reinstall the sampling valve in the rearward facing port in the new cover.

    Note: At this point, follow the procedure that is applicable to your particular machine.

525 Wheel Skidders with Aftercooled Engines (S/N: 1DN01040-UP)

Note: This procedure will convert the 8N-2594 Turbocharger Oil Lines Gp into the new 188-8949 Turbocharger Oil Lines Gp .




    Illustration 4g00767617

    188-8949 Turbocharger Oil Lines Gp

  1. Install 6K-3607 Flared Connector (16) and 2M-9780 O-Ring Seal (19) in the oil filter base.

  1. Use 1B-2790 Bolt (14) and 4B-3388 Bolt (15) to install 102-5869 Oil Tube Assembly (13) and 8H-9788 Gasket (18) on the turbocharger.

  1. Install 102-5868 Hose Assembly (12) .

  1. Secure the midway point of the hose assembly to the inlet flange of the aftercooler with 124-0174 Clip (17) .

515 Wheel Skidders (S/N: 4LR1-UP) and 525 Wheel Skidders with Nonaftercooled Engines (S/N: 1DN1-01039)

Note: This procedure will convert the 8N-2594 Turbocharger Oil Lines Gp into the new 199-6583 Turbocharger Oil Lines Gp .




    Illustration 5g00767639

    199-6583 Turbocharger Oil Lines Gp

  1. Install 6K-3607 Flared Connector (16) and 2M-9780 O-Ring Seal (19) in the oil filter base.

  1. Use two 1B-2790 Bolts (14) and (15) and 9M-1974 Hard Washers to attach 199-6584 Oil Tube Assembly (13) and 8H-9788 Gasket (18) to the turbocharger.

  1. Install 135-8287 Hose Assembly (12) .

  1. Secure the midway point of the hose assembly to the standoff on the valve cover with 124-0174 Clip (17), 1C-0569 Bolt, and 3E-4352 Hard Washer .

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