Crankcase Breather - Remove - Filtered Breather
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C6.6 Engines for Caterpillar Built Machines
[KENR6081]
C6.6 Engines for Caterpillar Built Machines
Crankcase Breather - Remove - Unfiltered Breather
C6.6 Engines for Caterpillar Built Machines
Crankcase Breather - Install - Unfiltered Breather
LUBRICATION SYSTEM
BREATHER GP
C6.6 Engines for Caterpillar Built Machines
Crankcase Breather - Remove - Unfiltered Breather
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
1.1. Removal Procedure
Removal Procedure
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Required Tools     | |||
Tool     | Part Number     | Part Description     | Qty     |
A     | -     | Breather Tool     | 1     |
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NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- 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.
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Illustration 1 | g01339595 |
Breather tool |
- Remove canister (20) for the breather. Refer to Operation and Maintenance Manual, "Crankcase Breather (Canister) - Replace".
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Illustration 2 | g01339597 |
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Illustration 3 | g03704554 |
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.
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Illustration 4 | g01339655 |
- Loosen clamp (19) and remove hose (21) .
- Release two spring clamps (14) in order to remove hose (15) . Remove the hose.
- Remove bolts (17) . Remove base (18) from the inlet manifold.
If a spacer is installed between the base and the inlet manifold, remove spacer (16) .
- Carefully pry cover (1) from breather body (4) .
Note: Note the orientation of the outlet.
- Remove gauze (2) from breather body (4) .
- Remove O-ring seal (3) from breather body (4) .
- Use Tooling (A) in order to unscrew breather body (4) from adapter plate (8) .
- Remove O-ring seal (5) from breather body (4) .
- Remove bolts (6) and washers (7) from adapter plate (8) .
- Remove adapter plate (8) from valve mechanism cover (10) .
- Remove O-ring seal (9) from adapter plate (8) .
Information System:
C6.6 Engines for Caterpillar Built Machines
Crankcase Breather - Remove - Unfiltered Breather
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
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
C6.6 Engines for Caterpillar Built Machines
Cylinder Head - Install