User Manual

9
Part No. Part Name Pattern
No.
1K1 Casing with plug & 2 grommets 52125
1K2 Motor adapter with plug and foot 52932
2K1 Impeller
3K1 Guidevane
4K1 Backplate 52126
4K2 Strainer (with retaining wire)
4K3 Rubber grommet
4K4 Air valve core (fits inside AA7)
4K5 Diffuser
4K63 Foot
4K234 Check valve
4K290② Valve assembly (fits inside AA1)
5K1 Gasket – backplate
5K2 Gasket – casing
5K3 Seal ring – guidevane
5K7 Deflector
5K175 O-ring connect A.V.C. tubing
to AA7
Part No. Part Name Pattern
No.
6K1 Plug
1
⁄
8
NPT (old style)
6K2 Plug ¼ NPT
6K7 Compression nut – A.V.C. tube
(use with 5K175)
6K24 Switch connector with nut
6K65 Tubing – A.V.C.
(
3
⁄
16
" O.D. x 9¾" long)
6K68 Plug ½ NPT
Part No. Part Name Pattern
No.
10K2 Shaft seal assembly
13K1 Bolt – adapter to casing
13K2 Bolt – guidevane
13K71 Bolt – motor to adapter
13102 Bolt – foot to adapter
13K108 Bolt – backplate to casing
AA1 Air volume control
(includes 4K290)
AA7 Air valve (includes 4K4)
AN015 Nozzle
AS3 Pressure switch
NOTE: 4K2 strainer not required on units with nozzle
cleanout plug.
① 6K1 casing drain plug changed to 6K2 on
1981 and later models.
② Valve assembly 4K290 used to repair USG
(black) only. 4K7 valve assembly no longer
available.
REPAIR PARTS
REPAIR PARTS