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GUARD AS 3236479 - Caterpillar

3236479 GUARD AS Caterpillar parts GUARD
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Caterpillar 3236479 GUARD AS

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Installation Procedure
Note: This procedure is only for Duo-Cone conventional seals. This procedure does not pertain to Duo-Cone floating seals.It is extremely important to follow the correct procedure for installing Duo-Cone seals. Many seal failures are the direct result of mistakes during installation of the seal components.
Illustration 1 g00296728
(1) Rubber toric ring. (2) Seal ring. (3) Housing retaining lip. (4) Housing ramp. (5) Seal ring housing.
Illustration 2 g00296926
(6) Seal ring face. (7) Seal ring ramp. (8) Installation tool. (9) Seal ring retaining lip.
Use caution when you are using isopropyl alcohol. Avoid prolonged skin contact with isopropyl alcohol.Vapors may be harmful if inhaled. Use only in a well ventilated area. Do not smoke while using isopropyl alcohol.Isopropyl alcohol is flammable. Do not use near an open flame or near welding operations. Keep isopropyl alcohol away from heated surfaces exceeding 482°C (900°F).
Remove any oily film, dust, or other foreign matter from all the seal components. Use isopropyl alcohol and a clean cloth to wipe the components. (Paper towels may also be used.)Note: Do not allow oil to contact rubber toric rings (1) or seal ring ramps (7) before both seal rings (2) are assembled in Step 10.
Illustration 3 g00296933
Illustration 4 g00296971
Put rubber toric ring (1) on seal ring (2). Make sure that the toric ring is at the bottom of seal ring ramp (7) and against seal ring retaining lip (9).Note: Make sure that rubber toric ring (1) is straight on seal ring (2). There must not be a twist in the toric ring. Be careful when you are working on the rubber toric ring. Nicks, cuts, and scratches can cause leaks.
Illustration 5 g00296975
Put installation tool (8) on seal ring (2) with rubber toric ring (1). Lower the rings into a container of isopropyl alcohol until all surfaces of rubber toric ring (1) are wet.Note: Do not use Stanisol or any other liquid that may leave an oily film.
Illustration 6 g00297112
While all surfaces of rubber toric ring (1) are still wet, use installation tool (8) to position seal ring (2) and the toric ring squarely against seal ring housing (5), as shown.
Illustration 7 g00297146
Measure dimension (A) from seal ring face (6) to the top surface of seal ring housing (5). Check dimension (A) in at least four places (90 degree intervals). The measurements must not differ by more than 1 mm (.04 inch).Note: If small adjustments are necessary, do not push on seal ring (2). Use installation tool (8).
Rubber toric ring (1) can twist if the toric ring is not completely wet during installation. Burrs on housing retaining lip (3) or on seal ring housing (5) can also cause a twist.If a twist occurs or if the toric ring is misaligned, repeat Steps 3 through 5.
Before further installation, wait for at least two minutes so that the isopropyl alcohol can evaporate. This will prevent slippage on seal ring ramps (7) and on housing ramps (4). The toric ring must roll only on the seal ring ramps and on the housing ramps.
Illustration 8 g00297155
Use a clean cloth or a paper

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