Pump Solutions Group Neptune Series 500 MODEL 481 THRU 547 User Manual
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13
14.0
REMOVAL OF PUMP HEAD AND REPLACEMENT OF DIAPHRAGM (Continued)
FIGURE IX
FIGURE X
15.0
REMOVAL OF MOTOR FROM STANDARD “dia-PUMP” (REFER TO FIGURE XI)
15.0.1 Disconnect all wires leading to the motor.
15.0.2 Remove Drain Plug (FIG. #510) and drain hydraulic fluid from pump.
15.0.3 Remove the fan cover and fan if the motor is a TEFC type. Remove retaining bolts from the top of the motor.
These bolts are threaded directly into the Pump Gear Box (FIG. #500).
15.0.4 Turn case of motor gently to break silicone seal between motor casing and Pump Gear Box (FIG. #500). Tilt
motor slightly forward and remove housing and remove internal part.
15.0.5 To replace motor, clean machined surface at top of Gear Box (FIG. #500) and apply silicone sealer. Place
motor back in position generally reversing the disassembly procedure.
FIGURE XI