446D Backhoe Loader Machine Systems Caterpillar


Piston and Vane Pump - Install

Usage:

446D DBL

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
1U-7505  Hydraulic Jack 


    Illustration 1g01087575

  1. Use Tooling (A) in order to install piston and vane pump (10). The weight of piston and vane pump (10) is approximately 64 kg (140 lb).

  2. Install bolts (11).


    Illustration 2g01087574

  3. Tighten bolt (9).


    Illustration 3g01087573

  4. Connect hose assemblies (6), (7), and (8).


    Illustration 4g01087572

  5. Connect hose (2).

  6. Tighten clamp (1).

  7. Connect hose (4).

  8. Tighten clamps (5).

  9. Connect hose assembly (3).

  10. Fill the hydraulic fluid. Refer to Operation and Maintenance Manual, "Lubricant Viscosities" and Operation and Maintenance Manual, "Capacities (Refill)".

End By:

  1. Install the pump drive. Refer to Disassembly and Assembly, "Pump Drive - Remove and Install".

  2. Install the counterweight. Refer to Disassembly and Assembly, "Counterweight - Remove and Install".

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