CPE C114 Руководство - Страница 9
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CPE Systems Inc.
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Note: The electric motor contains no field serviceable components; therefore, this manual
does not cover the maintenance, repair, and wiring of the electric motor. For specific
information contact CPE Systems.
DG Seal Service
1. Perform disassembly as above for the "D" seal
2. Remove the four bolts/screws from the backplate. Inspect DG seat insert, gland ring,
and gaskets for damage or wear. Replace as required.
Note: 80P outboard and #80R inboard gaskets are not interchangeable. The #80R (thicker)
gasket must be inboard between the backplate and seal seat. Care must be taken to protect
the sealing face of the seal seat for DG seals from nicks and scratches.
3. Remove the carbon seal and seal o-ring. Examine and replace as necessary.
6.2 Reassembly
1. If it was removed, install the adapter to the motor with the drain holes at the bottom.
Insert the four bolts securing the adapter to the motor; tighten the bolts securely.
2. Assemble the stub shaft to the motor armature shaft. Do not tighten set screws.
3. Install the backplate by rotating it until the pins in the backplate engage the pins in
the adapter.
4. Rotate the shaft until the floating pinhole is in a horizontal position. Insert the floating
retainer, center it in the shaft, and slide the impeller on the shaft. Hold the impeller
tight against the shoulder of the shaft and rotate the shaft one-fourth turn until the
floating retainer drops and engages the impeller.
5. Install the casing and secure it with the clamp or wing nuts.
6. Push the stub shaft onto the motor shaft until the impeller strikes the inside front face
of the backplate. Locate the stub shaft on the motor shaft allowing 1/16th (1.5mm)
maximum clearance between the rear face of the impeller and the inside face of the
backplate. Tighten the set screws on the stub shaft. Remove casing, impeller, impeller
pin, and backplate.
7. Slide the rubber deflector on the shaft until it sits in the groove in the shaft.
8. Slide drive collar onto stub shaft and locate per setting instructions in next section.
Assemble the spring, seal cup, seal o-ring, and carbon seal, and install as a unit. Take
care that the slot in the seal cup is aligned with the pin in the drive collar. Gentle
finger pressure will overcome o-ring resistance on the shaft.
9. Install the backplate by rotating it until the pins in the backplate engage the pins in
the adapter.
10. Rotate the shaft until the floating pin hole is in a horizontal position. Insert the
floating retainer, center it in the shaft, and slide the impeller on the shaft. Hold the
impeller tight against the shoulder on the shaft and rotate the shaft one-fourth turn
until the floating retainer drops and engages the impeller.
11. Install gasket on backplate.
12. Place the casing in position and close and tighten the clamp or wing nuts while lightly
tapping the clamp with a hammer to ensure even tightening. Assemble seal guard and
tighten nuts.
13. Assemble the cascading water attachment, (F seal only) to the adapter.
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