CAUTION:
•
Avoid injury. Worn pump components can have sharp edges. Wear appropriate gloves
while handling these parts.
6.5 Disassemble the Pump
WARNING:
•
Failure to disconnect and lock out driver power may result in serious physical injury or
death. Always disconnect and lock out power to the driver before performing any installa-
tion or maintenance tasks.
•
Electrical connections must be made by certified electricians in compliance with all
international, national, state, and local rules.
•
Refer to driver/coupling manufacturer's installation and operation manuals (IOM) for
specific instructions and recommendations.
•
Lifting and handling heavy equipment or components poses a crush hazard. Use caution
during lifting and handling and wear appropriate Personal Protective Equipment (PPE,
such as steel-toed shoes, gloves, etc.) at all times. Seek assistance if necessary.
•
Risk of severe physical injury or death from explosion of trapped liquid. Never use heat to
remove parts unless explicitly stated in this manual.
The back pull-out feature of this pump allows the complete back pull-out assembly (bearing frame and
rotating element) to be removed without disturbing suction or discharge piping or driver.
contains a complete sectional view of the pump and parts list with the
proper identification numbers. Refer to this section as required during maintenance procedures and
when ordering spare or repair parts.
To prepare pump for disassembly, proceed as follows:
1.
Lock out power supply to motor.
2.
Shut off all valves controlling flow to and from the pump.
3.
Drain liquid from pump. Remove casing drain plug (if supplied) which is located on bottom of cas-
ing at lowest point.
4.
Remove all auxiliary tubing and piping.
5.
Flush the pump to remove corrosive or toxic pumpage if required.
6.
Disconnect coupling and remove coupling spacer (refer to coupling instructions).
7.
Drain oil (remove drain plug) and remove bottle oiler.
8.
If unit has stuffing box packing, remove the gland stud nuts. The gland is in two halves and can
be removed.
The numbers located on the following figures refer to the procedure steps. For example, number 1 on
Figure 5A refers to Step 1.
1.
Place chain or sling from crane or hoist through eye bolt.
6.5 Disassemble the Pump
56
3175 Installation, Operation and Maintenance Instructions
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