WOODWARD GOVERNOR ARRANGEMENT 3N4371 - Caterpillar

height (C) with a depth gauge at four locations that are 90 degrees from each other. The difference in height around the ring must not exceed 0.6 mm (0.02 inch).
Illustration 19 g00389830
Illustration 20 g00389831
Wipe seal ring face (8) of shaft seal ring (2) and wipe seal ring face (8) of retainer seal ring (11). Use a clean lint free cloth. No particles of any kind are permissible on the sealing surfaces. A small piece of paper from a paper towel can force apart the seal ring face, which will cause a leak.
Illustration 21 g00389872
Apply a thin film of clean oil on the entire seal ring face of one or both seals. Use a lint free cloth or brush in order to distribute the oil evenly. Be careful not to get any oil on the rubber toric ring. Lubricate the seal faces by using the same oil that was used during assembly. Dye may have been used in the oil that was used during assembly. Use the same kind of oil without dye in order to lubricate the seal faces.
Illustration 22 g00389873
Select correct alignment sleeve (14). Make sure that O-ring (15) is installed in retainer (10). Insert alignment sleeve (14) into the bores of retainer (10) and retainer seal ring (11). Slip the assembly over shaft (1). Carefully move and slowly move alignment sleeve (14), retainer (10) and seal ring (11) to the final position.Note: Do not force the retainer and the retainer seal ring together in a sudden manner. The seal component could be scratched or the seal component could be broken if the components are slammed together.
Tighten the bolts after the components are in the correct position.
Remove alignment sleeve (14) .Alternate Methods for Installation of the Shaft Seal Ring
The shaft seal ring may be installed without a lubricant. Refer to Step 5 for the procedure to use the installation tool in order to position the shaft seal ring and the rubber toric ring squarely on the shaft. Refer to Step 6 for dry assembly of the rubber toric ring that is for the shaft. Dry assembly is approved for only the shaft seal.The shaft seal ring may be installed by using isopropyl alcohol as a lubricant for assembly. If isopropyl alcohol is used, the following conditions must be met:
All guidelines for safety and guidelines for disposal that are for flammable liquids must be followed.
Use a lint free cloth in order to wipe the rubber toric ring with the proper lubricant. You may dip the rubber toric ring in a container that has towels that are saturated with the lubricant for assembly.
Time for sufficient drying must be available. Isopropyl alcohol needs at least ten minutes in order to dry. Allow the isopropyl alcohol to dry prior to further assembly. You may need to decrease the time that is needed for drying the isopropyl alcohol if there is not enough available time. Use compressed air that is dry and filtered in order to dry the shaft seal ring. Do not use more than