3-6. CENTRIFUGAL PUMP MOTOR (BACKWASH PUMP) MAINTENANCE - continued.
Wiring inside stator can be damaged by rotor shaft if rotor is not
e. Position endplate (16) with rotor (12) in stator assembly (10).
f. Install wavy washer (7) on short end of rotor shaft (12).
g. Position fan end housing (6) Aline mark made during disassembly with mark on stator assembly (10).
h. While holding shaft end plate (16) alined on one end of stator assembly (10) position fan end housing (6)
on other end. Aline mark made on fan end housing during disassembly with mark on stator assembly.
i. Install four bolts (17) and nuts (5)
j. Install fan (4) and tighten screw (3).
k. Install fan cover (2) and three screws (1)
a. Secure motor to test bench
Electrical high voltage can cause serious injury or death. Some test
require power to be connected. Always take proper measures to
ensure personal safety.
b. Connect motor wiring to test bench leads
c. Connect power and run motor with and without load.
d. Check motor for excessive vibration and fast temperature rise
e. Disconnect motor from test bench leads.