C6.6 Engines for Caterpillar Built Machines Crankcase Breather - Remove - Unfiltered Breather Caterpillar


Crankcase Breather - Remove - Unfiltered Breather
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1.1. Removal Procedure

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     -     Breather Tool     1    


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.





    Illustration 1g01339595

    Breather tool

  1. To remove the breather body, Tooling (A) must be used. The tool should be fabricated from 3.1 mm (1/8 inch) steel stock. The dimensions for the tool are given in Illustration 1. All dimensions are shown in millimeters.



    Illustration 2g01339597



    Illustration 3g03704554

    Note: Illustration 3 shows the later type of crankcase breather cover that is installed in the valve mechanism cover. The later type of crankcase breather cover is not serviceable.




    Illustration 4g01339688

  1. Loosen clamps (11) and remove hose (12) from cover (1) and from tube (13) .

  1. Carefully pry cover (1) from breather body (4) .

    Note: Note the orientation of the outlet.

  1. Remove gauze (2) from breather body (4) .

  1. Remove O-ring seal (3) from breather body (4) .

  1. Use Tooling (A) in order to unscrew breather body (4) from adapter plate (8) .

  1. Remove O-ring seal (5) from breather body (4) .

  1. Remove bolts (6) and washers (7) from adapter plate (8) .

  1. Remove adapter plate (8) from valve mechanism cover (10) .

  1. Remove O-ring seal (9) from adapter plate (8) .

Information System:

C6.6 Engines for Caterpillar Built Machines Accessory Drive - Remove and Install
C6.6 Engines for Caterpillar Built Machines Housing (Front) - Install
C6.6 Engines for Caterpillar Built Machines Housing (Front) - Remove
C6.6 Engines for Caterpillar Built Machines Idler Gear - Install
C6.6 Engines for Caterpillar Built Machines Idler Gear - Remove
C6.6 Engines for Caterpillar Built Machines Gear Group (Front) - Remove and Install
C6.6 Engines for Caterpillar Built Machines Front Cover - Remove and Install
770 and 772 Off-Highway Truck/Tractors Evaporator Coil - Remove and Install
C6.6 Engines for Caterpillar Built Machines Crankshaft Front Seal - Remove and Install
C6.6 Engines for Caterpillar Built Machines Vibration Damper and Pulley - Remove - Pulleys without Split Lock Rings
C6.6 Engines for Caterpillar Built Machines Vibration Damper and Pulley - Install - Pulley with Split Lock Rings
C6.6 Engines for Caterpillar Built Machines Vibration Damper and Pulley - Install - Pulleys without Split Lock Rings
C6.6 Engines for Caterpillar Built Machines Crankcase Breather - Remove - Filtered Breather
C6.6 Engines for Caterpillar Built Machines Crankcase Breather - Install - Unfiltered Breather
C6.6 Engines for Caterpillar Built Machines Crankcase Breather - Install - Filtered Breather
C6.6 Engines for Caterpillar Built Machines Valve Mechanism Cover - Remove and Install - Composite Valve Mechanism Cover
C6.6 Engines for Caterpillar Built Machines Valve Mechanism Cover Base - Remove and Install - Composite Valve Mechanism Cover Base
C6.6 Engines for Caterpillar Built Machines Valve Mechanism Cover - Remove and Install
C6.6 Engines for Caterpillar Built Machines Valve Mechanism Cover Base - Remove and Install
C6.6 Engines for Caterpillar Built Machines Rocker Shaft and Pushrod - Remove
C6.6 Engines for Caterpillar Built Machines Rocker Shaft - Disassemble
C6.6 Engines for Caterpillar Built Machines Rocker Shaft - Assemble
C6.6 Engines for Caterpillar Built Machines Rocker Shaft and Pushrod - Install
C6.6 Engines for Caterpillar Built Machines Cylinder Head - Remove