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FILTER ASSY 1C4066 - Caterpillar

1C4066 FILTER ASSY Caterpillar parts FILTER
Alternative (cross code) number:
Caterpillar 1C4066 FILTER ASSY
Weight: 3 pounds 1 kg.

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3412 Liner Projection Measurements
If the liner projections are out of specification, try rotating the liner or install the liner in another bore to see if the measurements improve.If the liner projections are all below the specifications or low in the range, 0.025 mm (.0010 in) or 0.051 mm (.0020 in), try using a thinner spacer plate. For spacer plate part numbers, see chart in the "Spacer Plate" section. These plates are 0.076 mm (.0030 in) thinner than the standard plate and will increase the liner projection, thus increasing the fire ring crush. Use these spacer plates to compensate for low liner projections that are less than 0.076 mm (.0030 in) or if the inspection of the top deck reveals no measurable damage directly under the liner flanges, but the average liner projection is less than 0.076 mm (.0030 in).Do not exceed the maximum liner projection of 0.152 mm (.0060 in). Excessive liner projection will contribute to liner flange cracking.With the proper liner projection, mark the liners in the proper position and set them aside.When the engine is ready for final assembly, the O-ring seals, cylinder block and upper filler band must be lubricated before installation. Apply liquid soap and/or clean engine oil immediately before assembly. If applied too early, the O-rings and the filler bands may swell and be pinched under the liners during installation.If the lower O-rings are black in color, apply liquid soap on the lower O-ring seals and the cylinder block. Use clean engine oil on the upper filler band.If the lower O-rings are brown, brown with blue coating or black with orange coating, apply engine oil on the lower O-ring seals, the cylinder block and the upper filler band.Head Bolts
Inspect head bolts for reusability. Replace the head bolts that have surface damage (pitting or erosion) on the shank that cannot be polished smooth. The high stress areas on a bolt are:* The first exposed thread root on the joint side of the nut or tapped hole.* The first thread root after the shank.* The underhead fillet.Damage in these areas can lead to bolt failure.
Corrosion on bolt shank. Do Not Reuse.
Corrosion on bolt shank. Do Not Reuse.Combustion gas leakage can lead to corrosion on the bolt shank. If this corrosion damage cannot be removed with emery paper or wet-dry sand paper, replace the bolt. Any remaining irregular surfaces would create unnecessary stress raisers and ultimately weaken the bolt.Final Engine Assembly
Use a 1P-3036 Tap to remove burrs from each head bolt hole. Thoroughly clean each hole to remove excess fluid and debris which would affect final torque values.Lightly coat the head bolt threads, washers and bottom of bolt heads with 6V-4876 Molykote Paste Lubricant. Use of this friction reducing paste will significantly improve the load on the head gasket. Do not use oil.Install the head gasket dry. Remove excess oil/grease from the top of the liner flanges, spacer plate and bottom of the cylinder head with 8T-9011 Component Cleaner.3406 and 3406E Head Bolt Tightening Sequence
Torque Specification

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