CAT Water Delivery System (WDS) and 777G WTR OEM Off-Highway Truck/Tractor Caterpillar


Pump Drive - Assemble

Usage:

777G M6J

Specifications




Illustration 1g03394352

Table 1
Specification for 389-2123 Pump Drive Gp    
Item     Qty     Part     Specification Description    
1     399-0313     Shaft     Lubricate shaft surface with 50/50 mixture of break-in lubricant and transmission oil.    
2     177-0524     Bushing     Chill bushing to
−32 °C (−25 °F)
. Press bushing flush with surface as shown.    
3     8B-8439     Bearing     Lubricate bearing with 50/50 mixture of break-in lubricant and transmission oil. Press bearing on the shaft prior to assembly.    

Assembly Procedure

Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     5P-5197     Snap Ring Pliers     1    
B     136-1452     Snap Ring Pliers     1    


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times.




    Illustration 2g03388536

  1. Press bearing (9) onto shaft (10). Install retaining ring (8) .

    Note: Lubricate bearing and shaft surface with 50/50 mixture of break-in lubricant and transmission oil.




    Illustration 3g03388523

  1. Use a suitable press in order to install bushing (7) into pump drive housing (1) .

    Note: When a new bushing is installed, the bushing must be chilled too approximately −32 °C (−25 °F).

    Note: Press bushing (7) flush with recessed surface of pump drive housing (1) .




    Illustration 4g03388518

  1. Install shaft (5) into pump drive housing (1). Install snap ring (6) with Tool (B) .

    Note: Ensure the outer race of bearing (9) does not rotate in the pump drive housing (1) .




    Illustration 5g03388162

  1. Install drive gear (3). Install snap ring (4) with Tool (A).



    Illustration 6g03388159

  1. Install lube line fitting (2) into pump drive housing (1) .

    Note: Lube fitting is fitted with an O-ring.

    Note: Use a suitable lifting device to move the pump drive. The pump drive weighs approximately 39 kg (85 lb).

End By: Install the pump drive.

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