Goulds Pumps 3910 11th ed. - IOM - Manual (Page 31)

DISASSEMBLY & REASSEMBLY
REQUIRED TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
DISASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
INSPECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
RENEWAL OF WEAR PARTS . . . . . . . . . . . . . . . . . . . . . . 41
REASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
ASSEMBLY TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . 54
REQUIRED TOOL
DISASSEMBLY
s
! WARNING
Pump components are heavy. Proper methods of lifting
and securing must be employed to avoid physical injury
and/or equipment damage.
s
! WARNING
The Model 3910 may handle hazardous and/or toxic fluids.
Proper personal protection is required. Precautions must be
taken to prevent physical injury. Pumpage must be handled
and disposed of in conformance with applicable
regulations.
NOTE: Before disassembling the pump for overhaul,
ensure all replacement parts are available.
s
! WARNING
Lock out power supply to driver to prevent accidental
startup and physical injury.
PREPARATION FOR DISASSEMBLY
1. Shut off all valves controlling flow to and from pump.
s
! WARNING
Operator must be aware of pumpage and safety
precautions to prevent physical injury.
2. Drain liquid from piping; flush pump if necessary.
3. Disconnect all auxiliary piping, tubing and equipment
that will interfere with removal of back pull-out
assembly.
4. Remove coupling guard. Refer to coupling guard
installation and disassembly instructions in Appendix I.
5. Remove coupling spacer. Follow coupling
manufacturer’s instructions for assistance.
3910-1
1th IOM 5/08
31
•
Open end wrenches
•
Lifting sling
•
Induction bearing heater
•
Brass drift punch
•
Spanner wrench
•
Allen wrenches
•
Torque wrench with sockets
•
Dial indicator
•
Micrometers (inside and outside)
•
Cleaning agents
•
Feeler gauges
•
Drill
•
Tap
•
Spanning type puller
•
Soft face hammer
•
Press
6