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INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
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SUMMIT PUMP MODEL 2175
a. Remove the packing gland nuts (353A).
b. Slide gland toward frame (228). Gland will separate into two pieces.For a
mechanical seal:
a. Remove seal gland nuts (353A).
b. Slide gland (250) toward frame (228).
c. Slide off seal gland (250) with stationary seal and O-ring gasket.
10. Remove the adapter to box cover nuts (423B). Remove adapter to box cover
bolts (370H). Slide off stuffing box cover (184).
11. a. For a packed pump: Remove packing (106) and lantern ring (105) from stuffing
box cover (184).
b. For a mechanical seal: Remove mechanical seal rotating element (383) from
pump shaft sleeve by loosening set screws and sliding off assembly.
12. Scribe the location of the coupling hub on the shaft (122) and remove the
coupling hub.
13. Remove the suction side plate nuts (357A).
14. Tighten the jack-bolts (371R) evenly to push the side plate out of the casing.
Inspect for excessive wear, erosion, or mechanical damage and replace when
0.015” clearance cannot be maintained between impeller and plate.
15. Remove the frame adapter (108) by removing two dowel pins (469B) and four
adapter bolts (370B) and then separate the adapter (108) from the bearing frame
(228).
16. Slide the deflector (123) from the shaft.
17. Remove the bolts (370J) holding the inboard bearing end cover (119A) to the
frame (228).
18. If the inboard frame labyrinth seal (333A) requires replacement, tap the seal from
the inboard bearing end cover (119A).
19. Remove the outboard bearing housing bolts (370C). If needed, use impeller
adjustment bolts (370D) to aid in the removal of the shaft and bearing assembly
from the bearing frame.
20. Slide the entire shaft assembly (including the shaft, radial and thrust bearings,
and bearing housing) from the back end of the bearing frame.
21. Remove inboard bearing (168A) and outboard bearing (112A) using an arbor
press or bearing puller. On L models only, do not remove oil ring (248A) unless it
is damaged.
DO NOT
use a hammer which may cause
damage to the shaft and bearings
22. Remove the bolts (371C) holding the bearing end cover to the bearing housing
(134A) and then remove the bearing end cover (109A).