(f) Remove mechanical seal rotary (non-partridge type) from pump shaft sleeve by loosening set screws and
sliding assembly off of pump sleeve.
(g) Slide shaft sleeve forward and remove from shaft (126).
(h) Slide seal gland with stationary seat and O-ring gasket off of pump shaft.
STUFFING BOX COVER·PACKED PUMPS
(i) Remove packing gland studs (353) and nuts (353A).
(j) Remove stuffing box cover stud nuts (423B).
(k) Remove box cover by sliding cover forward and off of pump shaft. (I)
Remove packing rings (106) and lantern ring (105).
(m) On MTP, LTP and XLTP pump models, remove frame adapter (108) from power frame as follows:
1. Remove dowel pins (469B)
2. Remove frame to adapter bolts (370B)
3. Separate adapter from frame and discard O-ring gasket (360D)
4. DO NOT REMOVE LABYRINTH SEAL ASSEMBLY FROM FRAME ADAPTER.
POWER END DISASSEMBLY-STP AND MTP MODELS
(a) Remove cap screws (37OC), loosen jam nuts (423). Tighten jack bolts (370D) evenly. Bearing housing
will begin to back out of frame.
(b) Slide shaft assembly, with bearing, housing out of bearing frame.
(c) Remove all jack screws and nuts, items (370D) and (423).
(d) Remove and discard bearing housing a-ring (496).
(e) Using snap ring pliers, remove bearing retaining ring, (361A).
(f) Remove bearing housing (134) from shaft by tapping the shaft with a rubber mallet, driving the thrust
bearings and shaft assembly through the housing.
DO NOT ATTEMPT TO REMOVE THE LABYRINTH SEALS, (333A) and (332B). THESE ARE
ONE PIECE ISOLATORS THAT
ARE NOT DESIGNED FOR FIELD DISASSEMBLY. UNLESS
DAMAGED, THE ISOLATOR O-RINGS DO NOT REQUIRE SERVICE OR REPLACEMENT.
(g) Remove bearing lock nut (136) and lock washer, (382).
(h) Using an arbor press, remove inboard and outboard bearings. Slide snap ring
off shaft after bearings have been
removed.
(i)
Complete disassembly of bearing frame (228). Remove oil fill plug, (1l3A), oil sight glass (408N), Oil
mist/grease plugs four (4), (408H). Remove oil cooler inlet and outlet plugs, (408L) and (408M). On MTP
models, remove frame foot attachment bolts (370F).
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