WASHER-HARD 5P6604 - Caterpillar

Generator Set: 3516C (S/N: SBK1-UP)Engine: 3512C (S/N: YBD1-UP; SBG1-UP) 3516C (S/N: SKC1-UP; SBJ1-UP; SCJ1-UP; SFJ1-UP; SCK1-UP; SEK1-UP; SFK1-UP)Introduction
Do not perform any procedure in this Special Instruction until you read this information and you understand this information.This Special Instruction describes the procedures that are required in order to install the Air To Air Aftercooler (ATAAC) onto 3512C and 3516C Generator Set Engines. The ATAAC in this Special Instruction was installed on a 3516C Generator Set Engine. Some part numbers may not be the same for other generator sets.Installation of the Stub Shaft onto the Engine
The stub shaft is mounted onto the damper of the engine. Use the following procedure to mount the stub shaft. Do not install the stub shaft over the existing bolts.
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(1) Vibration damper guard
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(2) Bolts
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Guard (1) is removed.
Remove the four bolts (2) that secure guard (1) to the engine.
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(3) 8S-4757 Bolts
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(4) Bolts are removed.
Remove bolts (3) .The two bolts must be 180 degrees apart. Refer to Illustration 4.
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(5) Guide stud 1 - 14 by 10 inch
Install guide studs (5) into holes at location (4) .
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Remove the remaining bolts (3) .
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Clean the paint from the damper surface. The stub shaft cannot be installed correctly without removing the paint.The paint must be removed from the edges of the damper and from the surface of the damper.
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(6) Index mark on the flange
Locate index mark (6) that is located on the flange of the stub shaft.
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(7) Index mark on the damper
Locate index mark (7) that is located on the vibration damper.
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Correct alignment of the index marks
Line up index mark (6) and index mark (7) .
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(8) Stub shaft
Use guide studs (5) in order to install stub shaft (8) .Ensure that index marks (6) and index mark (7) are aligned.
Ensure that stub shaft (8) is seated correctly in the damper.
Apply a molybdenum disulfide grease under the shoulder of the bolt heads and to the threads before assembly.
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Install four 9F-8122 Bolts with 5P-8250 Washers .Do not tighten the bolts.
Remove guide studs (5) .
Install the remaining two 9F-8122 Bolts with 5P-8250 Washers .Do not tighten the bolts.
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Tighten the 9F-8122 Bolts .Refer to Illustration 15 for the tightening sequence of the bolts. 9F-8122 Bolts Torque ... 1150 150 N m (850 110 lb ft)
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Measure the run out of stub shaft (8) . 129-2288 Shaft Run out must be less than ... 0.254 mm (0.0100 inch)
Install guard (1) .Installation of the Radiator onto the Engine
Pulleys
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(1) Guard for the pulleys for serial number S/N:SBG is shown.
Remove guard (1) .
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(2) Bolts that secure the sides of guard
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Remove all of the bolts (2) from the guard. If your engine is equipped with a guard in three parts, remove all parts of the guard.
Remove the seven bolts that mount guard (1) to the frame of the ATAAC.
Illustration 20 g01329128
Typical example of the assembly with guard (1) removed
Remove both sides of guard (1) .Remove the belts