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O
ASIS
WetSeal Technology
DISASSEMBLY INSTRUCTIONS
1. Mark orientation of volute, seal plate, frame, and motor to assist in reassembly.
2. Remove (2) socket head motor screws and washers with 5/16" hex wrench.
3. Remove hydraulic motor.
Note: Tap with a non-marring hammer if necessary. See page 10 step 2 for alternate method.
4. Remove cap from air fill valve and press stem to release reservoir pressure.
5. Remove hex drain plug with 7/8" wrench and drain barrier fluid into a clean pan.
Note: Recycle or dispose of used fluid the same as motor oil.
6. Remove (8) volute hex head cap screws with a 9/16" wrench.
7. Remove volute and O-ring.
8. Remove impeller acorn nut with a 1" socket.
Note: Turn counterclockwise to remove. Insert a flat file into an impeller vane to hold stationary.
9. Remove impeller and key from shaft.
10. Remove (4) socket head seal plate cap screws with 5/16" hex wrench.
11. Remove seal plate slowly and place shop towel over shaft end for protection. Remove O-ring.
Danger: Compression of seal spring may cause part of seal to fly off without warning.
12. Slide rotating seal assembly ((2) seal faces and (1) spring) off shaft and discard.
13. Install impeller nut on shaft end to protect threads.
14. Press or tap (non-marring hammer) shaft/bearing assembly from impeller end until clear of
stationary seal face in mounting frame.
15. Use a screw driver to pry stationary seal seats from frame and seal plate.
Note: If replacing shaft seal only - skip to Assembly Instructions step 8.
16. Continue to press or tap shaft/bearing assembly out of frame towards motor end.
17. Remove slinger from shaft.
18. Remove (2) outer bearing snap rings.
19. Press each bearing off the shaft from center towards the respective end.
Volute
Impeller
O-ring
FMC-855F-HYD REPAIR
REPAIR KIT & SEAL
Ace pump Oasis WetSeal repair kits include a dual shaft seal, O-rings,
and barrier fluid to refill the seal reservoir.
Pump Model
FMC-855F-HYD Series
T M
Shaft Seal Only
BAC-7-850V
Stationary
Seal Seats
Seal Plate
Drain Plug
16
Repair Kit
RK-FMC-855
EDP#
Recommended For
40148
all materials and applications
Frame
Shaft/Bearing Assy.
Volute Cap Screw (8)
Seal Plate Cap Screw (4)
Rotating Seal Assy.
EDP#
52726
Motor
Pad
O-ring
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