ITT 3171 - Tools Required; Drain the Pump; Remove the Pump from the Sump

Tools required
In order to disassemble the pump, you need these tools:
• Bearing puller
• Brass drift punch
• Cleaning agents and solvents
• Dial indicators
• Feeler gauges
• Hydraulic press
• Induction heater
• Lifting sling
• Micrometer
• Rubber mallet
• Screwdriver
• Snap-ring pliers
• Torque wrench with sockets
• Wrenches
Drain the pump
CAUTION:
• Allow all system and pump components to cool before you handle them to prevent physical injury.
1. Close the isolation valves on the suction and discharge sides of the pump.
You must drain the system if no valves are installed.
2. Open the drain valve.
Do not proceed until liquid stops coming out of the drain valve. If liquid continues to flow from the
drain valve, the isolation valves are not sealing properly and you must repair them before you proceed.
3. Leave the drain valve open .
Do not close the drain valve until the reassembly is complete.
4. Drain the liquid from the piping and flush the pump if it is necessary.
5. Disconnect all auxiliary piping and tubing.
6. Remove the coupling guard.
7. Disconnect the coupling.
Remove the pump from the sump
1. Remove the motor bolts (371).
Maintenance (Continued)
Model 3171 Installation, Operation, and Maintenance Manual 39