Repair manual

PS2 3703, PS3 3703, PS4 3703, PS3 5503, PS4 5503 Repair

Repair.fm 161

4. Visually inspect the upper bearing (bw) and lower bearing (bs) for

wear, corrosion or rust. Manually test the for any side to side

movement or vibration.

—Replace every 6,000 hours of service or one year, whichever

comes first.

5. Visually inspect mechanical seal (bc) for wear, cracks or damage.

Look carefully at flexible components, replace if deformed.

Note: Pay particular attention to the sealing faces that butt up

against each other. They are divided by a thin oil film which

prevents water from entering the motor. Replace entire

mechanical seal if worn, damaged or cracked. Replace every

6,000 hours of service or one year, whichever comes first.

6. Visually inspect the thermal switch (p) for damage to insulation

materials, water or oil intrusion, heat discoloration of bi-metal disc,

or damage to bi-metal disc.

—Check to assure the lead wires of the stator windings are

correctly and securely connected to the protector.

—Check for disconnection of lead wires, short-circuit, coil-burn, or

incorrect wiring.

7. Visually inspect oil lifter (bd).

—Replace if worn or broken, paying particular attention to internal

paddles.

Note: The condition of the oil lifter not only effects lubrication, but

cooling as well.

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