Crankcase Breather - Install - Unfiltered Breather
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C6.6 Engines for Caterpillar Built Machines
[KENR6081]
C6.6 Engines for Caterpillar Built Machines
Crankcase Breather - Remove - Filtered Breather
C6.6 Engines for Caterpillar Built Machines
Crankcase Breather - Install - Filtered 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. Installation Procedure
Installation 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 install 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 |
- Ensure that all components of the crankcase breather are clean and free from damage. Replace any components that are damaged.
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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.
- Lubricate a new O-ring seal (9) with clean engine oil. Install the O-ring seal to the adapter plate (8) .
- Install adapter plate (8) to valve mechanism cover (10) .
- Install washers (7) and bolts (6) to adapter plate (8) . Tighten the bolts to a torque of 4.4 N·m (38 lb in).
- Lubricate a new O-ring seal (5) with clean engine oil. Install the O-ring seal to the bottom of breather body (4) .
- Use Tooling (A) in order to screw breather body (4) into adapter plate (8) . Tighten the breather body to a torque of 8 N·m (71 lb in).
- Install gauze (2) into breather body (4) .
- Lubricate a new O-ring seal (3) with clean engine oil. Install the O-ring seal to the top of breather body (4) .
- Install cover (1) to breather body (4) .
Note: Ensure that the outlet of the cover is in the correct position in order to align with hose (12) for the breather.
- Install clamps (11) to hose (12) .
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Illustration 4 | g01339688 |
- Connect hose (12) to cover (1) and to tube (13) . Tighten the clamps.
Information System:
C6.6 Engines for Caterpillar Built Machines
Crankcase Breather - Remove - Filtered Breather
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
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
C6.6 Engines for Caterpillar Built Machines
Lifter Group - Remove and Install