USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Page 28 of 76
HCP3000 SERIES Variable Speed Pump
ISHCP3000VSPC Rev -B
9.4 Seal Installation
7.
Clean and lightly lubricate the motor shaft and seal recess in the seal plate (item #18) with a dilute solution of
non-granulated liquid-type soap. Gently wipe the polished surface of the ceramic seal with a clean, soft, cotton
cloth. Lubricate the rubber cup on the ceramic seat and press it firmly and evenly into the recess of the seal
plate (item #18) with the polished side of the ceramic facing out.
8.
Assemble the motor to the seal plate (item #18) with the four (4) 3/8” x 1” hex head bolts (item #21). Torque
bolts to 95-105 in-lbs.
9.
Gently wipe the black, polished surface of the spring seal assembly with a clean, soft, cotton cloth.
10.
Press the spring seal assembly (item #16) onto the motor shaft – black polished surface facing toward the
polished surface of the ceramic seat. See Figure below.
9.5 Replacing the Impeller and Diffuser
11.
Screw the impeller (item #15) onto the motor shaft in a clockwise direction. Tighten snugly by holding motor
shaft with wrench as noted in step #4.
12.
Place the diffuser (item #12) over the impeller (item#15) onto the seal plate (item #18), aligning the two (2)
protruding pins with the matching holes in the seal plate (item #18). Replace four (4) diffuser screws (item #11),
Torque screws to 16-27 in-lbs range.
9.6 Replacing the Motor Assembly
13.
Re-attach motor end cover/canopy by using the two (2) hex shaped screws. Slide the motor assembly with the
diffuser (item #12) in place, into pump housing (item #9), being careful not to disturb the diffuser o-ring
(item#10).
14.
Re-attach assembly to pump housing (item #9) using the six (6) 5/16”" x 2" hex head bolts. (Be sure housing o-
ring (item #17) is in place, and lubricated. Replace if damaged). Tighten alternately and evenly to
185-195 in-lbs range using torque pattern in the following diagram.
