Goulds Pumps 3410 - IOM - Manual (Page 45)

DISASSEMBLY & REASSEMBLY
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
REASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
!
Leakage of process liquid may result in creating an explosive atmosphere. Follow all pump and seal assembly
procedures.
DISASSEMBLY
s
! WARNING
Pump components can be heavy. Proper methods of
lifting must be employed to avoid physical injury
and/or equipment damage. Steel toed shoes must be
worn at all times.
s
! WARNING
The pump may handle hazardous and/or toxic fluids.
Proper personal protective equipment should be worn.
Precautions must be taken to prevent physical injury.
Pumpage must be handled and disposed of in
conformance with applicable environmental
regulations.
NOTE: Before disassembling the pump for overhaul,
ensure all replacement parts are available.
s
! WARNING
Lock out power supply to driver motor to prevent
accidental startup and physical injury.
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 pump, flush pump if necessary.
3. Disconnect all auxiliary tubing and piping.
4. Remove coupling guard.
5. Disconnect coupling.
6. If the unit is oil lubricated, remove reservoir bottle and
oil drain plugs from bottom of bearing housings and
drain oil. Replace plugs after draining.
7. Remove glands from casing. If unit has packed stuffing
boxes, remove nut from stud and remove gland halves.
If equipped with mechanical seals, slide glands toward
bearings. Protect lapped stationary seat faces from
damage.
8. Remove casing screws (426) and nuts (425). Remove
Dowel Pins (469G). Loosen top half by:
• S Group – Insert a prying tool into parting slot,
Fig. 35, pry upper casing half loose. Repeat on
other side as required.
• M Group L and XL – Tighten two jacking bolts
(418) (Fig. 36) evenly until seal is broken.
3410 IOM 1/2010
43
6
A B
Fig. 35
Fig. 36