ITT HT 3196 i-FRAME Installation, Operation And Maintenance Manual page 71

4. Repeat step 3 until the impeller becomes loose.
5. Remove and discard the impeller O-ring (412A).
You will insert a new O-ring during reassembly.
Figure 16: O-ring for models 3196, HT 3196, NM 3196, 3198, and 3796
If the impeller cannot be removed by the previous methods, cut the shaft between the gland and the
frame, remove the impeller, stuffing-box cover, gland, sleeve, and shaft end as a unit. Do not apply heat.
Remove the impeller ( XLT-i , and i17 )
WARNING:
Never apply heat to remove an impeller. The use of heat may cause an explosion due to trapped liquid,
resulting in severe physical injury and property damage.
CAUTION:
Wear heavy work gloves when you handle impellers. The sharp edges can cause physical injury.
Clamp the frame foot (241) to the workbench when you use this method to remove the impeller.
1. Remove the impeller plug (458Y) from the front of the impeller (101) and discard the Teflon gasket
(428D).
Model HT 3196 i-FRAME Installation, Operation, and Maintenance Manual
Shaft Wrench
412A
101
Maintenance
69