USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Page 9 of 15
VL Series Pump
ISVL1285 Rev B
7.
Shaft Seal Change Instructions
IMPORTANT SAFETY INSTRUCTIONS
PLEASE READ AND FOLLOW ALL INSTRUCTIONS
When servicing electrical equipment, basic safety precautions should always be observed including the following.
Failure to follow instructions may result in injury.
•
WARNING
– To reduce risk of injury, do not permit children to use this product.
•
Disconnect all electrical power service to pump before beginning shaft seal replacement.
•
Only qualified personnel should attempt rotary seal replacement. Contact your local authorized Hayward Dealer or
service center if you have any questions.
•
Refer to “Parts Diagram” section of this manual for pump component locations.
Exercise extreme care in handling both the rotating and the stationary sections of the two-part replacement seal. Foreign
matter or improper handling will easily scratch the graphite and ceramic sealing surfaces.
7.1.
Removing the Motor Assembly
1.
Remove the six (6) 3/8" hex head bolts (item #14), which hold the motor assembly to the pump/strainer housing
(item #6), using a 3/8" wrench or socket.
2.
Slide the motor assembly out of the pump/strainer housing (item #6), exposing the diffuser (item #10). Remove
the diffuser (item #10) off of the seal plate (item #13) to expose the impeller (item #11).
7.2.
Removing the Impeller
3.
To prevent the motor shaft from turning, secure using a flat screw driver on the motor shaft.
4.
Remove the impeller (item #11) by rotating counterclockwise.
7.3.
Removing the Ceramic Seat
5.
Remove the spring seal assembly (item #12) and seal plate (item #13) from the motor by removing the four (4)
bolts (item #16) that secure it to the motor, using a 5/16" wrench or socket.
6.
Press the ceramic seat with rubber cup out of the seal plate (item #13). If tight, use a small screwdriver to tap
seal out.
STOP - Clean all recesses & parts to be reassembled. Inspect gaskets & replace if necessary.
7.4.
Seal Installation
7.
Clean and lightly lubricate the motor shaft and seal recesses in the seal plate (item #13) with a dilute solution of
non-granulated liquid-type soap. Gently wipe the polished face of the ceramic seal with a soft cotton cloth.
Lubricate the rubber cup on the ceramic seat and press it firmly into the recess of the seal plate (item #13), with
the polished ceramic surface facing out.
8.
Reassemble the motor to the seal plate (item #13) using the four (4) bolts (item #16).
9.
Gently wipe the black, polished surface of the spring seal assembly (item #12) with a soft cotton cloth.
10.
Press the spring seal assembly (item #12) onto the motor shaft, with the black polished surface facing the
ceramic seat.
7.5.
Replacing the Impeller and Diffuser
11.
Screw the impeller (item #11) onto the motor shaft in a clockwise direction. Tighten snugly by holding motor
shaft with flat head screw driver as noted in step #4.
12.
Place the diffuser (item #10) over the impeller (item #11) and onto the seal plate (item #13), aligning the three
pins on the diffuser (item #10) with the three holes on the seal plate (item #13).
