Goulds Pumps 3180-86 - IOM - Manual (Page 106)

372T
228A
761B
2. Tighten the hex-head screw with a 5/32 inch hex wrench to 6 ft-lbs (8 Nm).
Post-assembly checks
Perform these checks after you assemble the pump, then continue with pump startup:
• Rotate the shaft by hand in order to make sure that it rotates easily and smoothly and that there is no
rubbing.
• Open the isolation valves and check the pump for leaks.
Assembly references
Spare parts
Recommended spare parts
In order to prevent a long and costly downtime period, especially on critical services, it is advisable that
you have these spare parts on hand:
• Back pull-out assembly, this is a group of assembled parts which includes all parts except casing and
sideplate or casing wear ring.
• Bearings (112 and 409)
• Bearing locknut (136)
• Bearing lockwasher (382)
• Impeller key (178)
• Impeller nut (304)
• Maintenance kit that includes all gaskets and O-rings required for one pump
• Mechanical seal (where applicable) (383)
• Shaft (122)
• Shaft sleeve (126)
• Sideplate (where applicable) (176)
• Stuffing box bushing (where applicable) (125)
• Stuffing box packing (where applicable) (106)
• Wear rings (where applicable) (202 and 164)
Maintenance
104 Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual