Figure 31:
(a-1) Loosen set screws in deflector and drive collar and move rotary portion of seal back on
shaft.
(a-2) Remove gland bolts and slide gland toward bearing frame.
(a-3) Remove impeller. Threads are right hand. Hold impeller by hand and use a strap or spanner
wrench to unscrew shaft.
(a-4) Remove bearing frame-to-stuffing box cover bolts and pull stuffing box cover from pump.
Stationary seat and gaskets are located in cover. Do not damage seal face.
(a-5) Gland, seal rotary assembly, drive collar, and deflector cannot be removed until the shaft
and bearing housing assembly is removed. Removal of these parts is described in Step 4.
(a-6) Refer to Step 3 for further instructions.
B. PTFE bellows seal
Figure 32:
(b-1) Loosen set screw in deflector.
(b-2) Loosen drive collar and carefully slide rotary assembly toward bearing frame.
(b-3) Remove impeller. Threads are right hand. Hold impeller by hand and use a strap or spanner
wrench to unscrew shaft.
(b-4) Remove bearing frame-to-stuffing box cover bolts and pull stuffing box cover from pump.
Stationary seat and gaskets are located in cover. Do not damage seal face.
(b-5) Slide rotary portion of seal and deflector off shaft.
(b-6) Refer to Step 3 for further instructions.
C. Inside double seal
6.3 Disassembly of pump
38
3107 Installation, Operation and Maintenance Instructions