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Idiomas disponibles
Idiomas disponibles
MAINTENANCE
HOW TO DISMANTLE (HR SHALLOW WELL)
1.
Disconnect power and drain pressure tank before
dismantling pump.
2.
Disconnect the pressure switch tube, remove the 4 cap
screws, and separate the pump case from the seal plate.
3.
Remove the 3 cap screws holding the diffuser to the seal
plate and remove the diffuser. When replacing the diffuser,
use three .010" thick shims equally spaced between the
impeller eye and diffuser opening. This centers the diffuers
and prevents impeller rub (Figure 16).
4.
On 1/2 HP models, unscrew venturi tube from impeller. On
3/4 and 1 HP models, venturi tube is screwed into the pump
case (Figure 17).
Figure 17: Remove Venturi
5.
Remove the impeller by holding the motor shaft with a
screwdriver placed in the slot end of the shaft, and rotating
the impeller counterclockwise.
6.
The nozzle on 1/2 HP models can be removed from pump
case with any standard 1-1/4" socket wrench with an
extension (Figure 18). On 3/4 and 1 HP models the nozzle is
part of the pump body. When replacing nozzle and venturi,
be sure they are tight against the shoulder. Use care to not
cross thread. If nozzle is not fully engaged in case, flow will
be blocked by venturi entrance.
Figure 18: Remove Nozzle
7.
Remove the rotating assembly of the shaft seal.
8.
The seal plate may now be removed.
9.
Drive the ceramic stationary seal out with a 3/4" dowel.
16
REPLACING MECHANICAL SEAL
Before handling shaft seal parts, make sure you hands are clean.
Always replace both the ceramic stationary seal and the rotating
assembly.
1.
Clean the shaft and seal cavity with water.
2.
Lubricate the seal cavity and the rubber cup of the ceramic
stationary seal with soapy water.
3.
Press the stationary ceramic seat into housing. Press in
with fingers only.
4.
Install seal plate on motor. Take care to not scratch ceramic
seal.
5.
Install rotating seal assembly on shaft, carbon ring toward
ceramic seat, and press into position with fingers. The
carbon face should be lubricated with soapy water.
6.
Install the impeller. Tighten wih a screwdriver holding the
shaft.
All pumping parts of unit can be removed from case without
disturbing well piping or tank piping.
P15004 (12-15-22)
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