EasyPro EX6750-2 Manual de instalación y mantenimiento - Página 3

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TWO SPEED CENTRIFUGAL • EX6750-2

PUMP END ASSEMBLY

1. Clean and inspect all pump parts (0-ring, seal seats, motor shaft, etc.).

2. Apply sealant to the bracket bore ID wall and around the seal case - follow sealant mfg. instructions. We recommend using Gasgacinch

sealant can also be used.

3. Press carbon graphite seal into bracket while taking care not to damage carbon graphite face.

4. Place slinger (rubber washer) over motor shaft and mount bracket to motor.

5. Carefully, lubricate the seal seat elastomer OD and impeller hub ID with water. Press the seal seat into the impeller hub making certain that the

ceramic is in evenly - the sealing surface should be parallel with the impeller hub.

6. Carefully lubricate carbon-graphite and ceramic sealing surfaces with CLEAN water. Do not use silicon lubricants or grease!

7. Assemble bracket to motor with four M-bolts

8. Thread impeller onto shaft and tighten! If required, remove motor end-cap and use a screwdriver on the back of motor shaft to prevent shaft rotation

while tightening. Replace motor end cap.

9. Seat large O-ring in volute slot and assemble volute to bracket with seven 1/4-20 x 2

pattern (30 in-lbf).

10. Install drain plug with its O-ring in volute drain hole.

11. Before operating pump, allow a proper cure time for the sealant used in step 2.

VOLUTE

DRAIN

PLUG

& O-RING

P-BOLT

& WASHER

DISASSEMBLY

1. Shut off power to motor before disconnecting any electrical wiring from the back of the motor.

2. Disassemble volute from bracket by removing the seven 1/4" - 20 threads per inch x 2 3/4" hex cap screws.

3. Remove cap covering shaft at back of motor and with a large screwdriver, prevent shaft rotation while unscrewing impeller.

4. Remove ceramic piece from impeller. (If you are replacing the seal)

5. Detach bracket from motor.

6. Remove carbon-graphite seal from bracket by pressing out from the back. Do not dig out from the front! (If you are replacing the seal)

BRACKET

IMPELLER

SEAL

LARGE

O-RING

Reliability You Can Count On!

" hex cap screws, washers and nuts. Tighten in a cross

SLINGER

M BOLT

WASHER &

LOCK NUT

2.75

" FNPT

4.42

3.59

DESCRIPTION

DRAIN PLUG

O-RING, DRAIN PLUG

VOLUTE

LARGE O-RING

IMPELLER

SEAL

BRACKET

SLINGER

HARDWARE KIT

2.41

HIGH/LOW

TOGGLE SWITCH

16.30

MOTOR ILLUSTRATION IS FOR REFERENCE ONLY.

. Silicone

PART NUMBER

1000.110 LG

E014B70

K000.070 LG

1000.061

1000.054

1000.0411

K000.030 LG

1000.010V

1000.502

Pg. 3