Carrier 17/19EX User Manual

Page 236

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The following is the recommended procedure for removing the bearing sleeve:

1. Remove the oil drain plug in the housing bottom and drain the oil sump.

2. Remove all instrumentation sensors that are in contact with the bearing sleeve. These

would include resistance temperature detectors, thermocouples, temperature relay bulbs,

thermometers, etc.

3. Remove the end cover.

4. Remove the socket head bolts holding the bearing cap and the inner air seal together at the

horizontal split. The front end cover plate must also be removed if the front bearing is being

disassembled. Remove the bearing cap and top half of the inner air seal by lifting straight

up to avoid damaging the labyrinth seals. Place them on a clean, dry surface to avoid

damage to the parting surfaces.

5. Remove any split bolts that may be holding the two bearing halves together. Remove the

top half of the bearing sleeve using suitable eye-bolts in the tapped holes provided. Lift the

bearing top straight up and avoid any contact with the shoulders of the shaft journals that

might damage the thrust faces of the bearing. Place on a clean, dry surface taking care to

prevent damage to either the parting surfaces or the locating pins that are captive in the top

bearing half.

6. Remove the 4 screws at the partings in the oil ring and dismantle the ring by gently tapping

the dowel pin ends with a soft face mallet. Remove the ring halves and immediately

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