Pentair Pool Products Delta D2CX20-21 Installation & Service Manual With Parts List page 6

REPLACING PARTS AND DISMANTLING PUMP
Fig. 2
Fig. 3
Fig. 4
REPLACING PARTS AND
COMPLETE DISMANTLING OF PUMP
Standard Tools Required:
1. Allen head socket set
2. Standard socket wrench set
3. Set of open end wrenches.
4. Plastic hammer
5. Vise grip pliers
6. Large screwdriver with heavy handle
7. Wire brush
8. Three-cornered file
9. Flat file
10. Snap ring pliers for outside snap ring
11. Crimping pliers for electrical connectors
12. Arbor press
13. Loctite #271
14. Submersible motor oil
IMPORTANT— Before any repair work is done on
pump it should be sandblasted, if possible, to
remove any deposits. After cleaning, pump should
be submerged in a strong "clorox" solution for one
hour before handling pump.
CAUTION: DISCONNECT ALL POWER AND
CONTROL WIRES TO MOTOR AT CONTROL
PANEL BEFORE STARTING DISASSEMBLY
OPERATIONS. NEVER RELY ON OPENING
CIRCUIT BREAKER ONLY.
DISASSEMBLY OF SHREDDING RING AND
GRINDER IMPELLER
1. Hold impeller from moving by placing small allen
wrench or screwdriver in shredding ring slot and
remove socket head screw and washer from
pump shaft. See Figure 2.
2. Remove three screws from grinder ring flange.
Grinder ring is pressed into flange for easy
removal. See Figure 3.
3. Thread two screws into tapped back-off holes in
flange and evenly tighten screws to back
grinding ring out of pump housing.
4. Place large flat blade screwdriver into slot in
shaft.
5. Bump impeller vane counterclockwise with
plastic hammer to loosen impeller and continue
to unscrew impeller from shaft. See Figure 4.
6 23833A596