Goulds Pumps 3196 i-FRAME - IOM - Manual (Page 116)

Maintenance
Frame Lubricated threads Dry threads
MTi 20 ft-lb (27 Nm) 30 ft-lb (41 Nm)
LTi 20 ft-lb (27 Nm) 30 ft-lb (41 Nm)
Table 17: Motor-bolt torque values for C-face adapter to motor
This table contains the motor-bolt torque values for assembling the C-face adapter to a motor.
Frame Lubricated threads Dry threads
143TC-145TC 8 ft-lb (11 Nm) 12 ft-lb (16 Nm)
182TC-286TC 20 ft-lb (27 Nm) 30 ft-lb (41 Nm)
324TC-365TC 39 ft-lb (53 Nm) 59 ft-lb (80 Nm)
Shaft sealing
WARNING:
The mechanical seal used in an Ex-classified environment must be properly certified. Prior to startup,
make sure that all areas that could leak pumped fluid to the work environment are closed.
NOTICE:
The mechanical seal must have an appropriate seal-flush system. Otherwise, excess heat
generation and seal failure can occur.
Methods for sealing the shaft
These sections discuss the methods that you can use to seal the shaft.
• Seal the shaft with a dynamic seal.
• Seal the shaft with a cartridge-mechanical seal.
• Seal the shaft with a conventional inside-component mechanical seal.
• Seal the shaft with a conventional outside-component mechanical seal.
• Seal the shaft with a packed stuffing box.
Seal the shaft with a dynamic seal
1. Place the backplate (444) with the flat side down on the bench.
2. Place the repeller (262) in the backplate (444) with the sleeve side up.
3. Place a Teflon gasket (264) on the backplate (444) and align the holes in the gasket with
the holes in the backplate.
4. Place a stuffing-box cover (184) on the backplate (444) and align the holes in the gasket
with the holes in the backplate.
5. Install four socket-head capscrews (265) and tighten them securely.
6. Install a new sealing element into the gland.
7. Install a gasket (360Q) and gland (107) on the stuffing-box cover (184).
8. Install the nuts (355).
114 Model 3196 i-FRAME Installation, Operation, and Maintenance Manual