994D Wheel Loader Engine Supplement Caterpillar


Air Starting Motor - Remove and Install

Usage:

994D 3TZ

Removal Procedure

Start By:

  1. Purge the air system. Refer to Disassembly and Assembly, "Air System - Purge and Charge" for the correct procedure.


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


Note: Install caps and plugs on all openings in order to prevent dirt or debris from entering the system. Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.

Note: For easier assembly, mark all hose assemblies, tube assemblies, wire harnesses and cables for identification purposes.




    Illustration 1g00577750

  1. Disconnect two hose assemblies (1) and (2) from air starting motor (3) .



    Illustration 2g00577751

  1. Disconnect two hose assemblies (4) and (5) from air starting motor (3) .



    Illustration 3g00577752

  1. Attach a suitable lifting sling around air starting motor (3). Secure the suitable lifting sling to a hoist. Remove three bolts (6) that secure air starting motor (3) to the engine. Remove air starting motor (3) and the gasket from the engine. The weight of air starting motor (3) is 41 kg (90 lb).

Installation Procedure

Note: Verify that all of the components of the air starting motor are clean and free of foreign material prior to installation.

Note: Check all of the O-ring seals and the components for wear or damage. Replace the components, if necessary. Lubricate O-ring seals lightly with the lubricant that is being sealed.




    Illustration 4g00577752

  1. Attach a suitable lifting sling around air starting motor (3). Secure the suitable lifting sling to a hoist. Position air starting motor (3) to the engine. Install three bolts (6) that secure air starting motor (3) and the gasket to the engine. The weight of air starting motor (3) is 41 kg (90 lb).



    Illustration 5g00577751

  1. Connect two hose assemblies (5) and (4) to air starting motor (3) .



    Illustration 6g00577750

  1. Connect two hose assemblies (1) and (2) to air starting motor (3) .

End By: Charge the air system. Refer to Disassembly and Assembly, "Air System - Purge and Charge" for the correct procedure.

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