3-43. ELECTRIC MOTOR (R.O. PUMP) REPAIR (MODELS WPES-10, WPES-20 AND WPES-30) - continued.
Install four crews (15).
Position bracket ( 13) over shaft of rotor (14) and aline bracket with casing (20) as marked during
Install four bolts (12).
Position key ( 11) on shaft of rotor ( 14).
Aline keyway in fan assembly (9) with key (11) on shaft of rotor (14) and push fan assembly onto shaft of
rotor ( 14).
Tighten three screws (7).
Position fan cover (6) on bracket (13) and install four screws (5).
Secure motor to test bench.
Electrical high voltage can cause serious injury or death. Always take proper measures
to ensure personal safety.
Connect motor wiring to test bench leads.
Apply power and run motor with and without load.
Check motor for excessive vibration and fast temperature rise.
Disconnect motor from test bench leads.
Weight of R.O. pump motor is 251 pounds. Attempting to move it without proper
equipment could cause serious injury. Hoist motor with equipment rated at 1 ton or
Attach lifting device to lifting eyes on motor (3).
Lift motor (3) and position on stand (4).
Install four lockwashers (2) and bolts (1).
Complete installation (Paragraph 2-66).
3-242 Change 1