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DISASSEMBLY INSTRUCTIONS
1. Remove (2) socket head motor screws and washers with 5/16" hex wrench.
2. Remove hydraulic motor.
Note: Tap with a non-marring hammer if necessary.
Alternate method: a) rotate motor slightly positioning flange ears in front of bolt holes b) install
(2) motor screws in motor mount holes from opposite direction and tighten by hand until snug c)
tighten screws with wrench using an alternating pattern of one turn each until separated.
3. Remove snap ring from behind rear pump bearing.
4. Remove (8) volute cap screws with 9/16" wrench.
5. Remove volute and O-ring.
6. Remove stainless impeller cap screw with 9/16" socket and discard sealing washer.
Note: Turn counterclockwise to remove
7. Remove impeller and key from shaft.
8. Slide rotating seal assembly with spring off of shaft and discard.
Note: Observe seal orientation for installation of new seal.
9. Install impeller cap screw in shaft end to protect threaded hole.
10. Press or tap (non-marring hammer) shaft/bearing assembly from impeller end until clear of
stationary seal face in mounting frame.
11. Use a screw driver to pry stationary seal face from seal bore.
Note: If replacing shaft seal only - skip to Assembly Instructions step 5.
12. Press or tap shaft/bearing assembly out of frame.
13. Remove slinger and impeller cap screw from shaft.
14. Use a press to remove bearings from shaft.
Press bearings off each end of shaft.
Volute
O-ring
FMC-650-HYD REPAIR
REPAIR KITS & SEALS
Ace pump repair kits include all shaft seals and O-rings required to
repair the pump.
Pump Model
FMC-650(F)(FS)-HYD Series
Shaft Seal Only
BAC-7-650
BAC-7SC-650
BAC-7-650B
Impeller
Liner O-ring
Standard Seal Severe Duty Seal
RK-FMC-650
EDP#
water and general ag chemicals
40145
abrasive chemicals and fertilizers
40146
water and aqua ammonia
40144
Volute Cap Screw (8)
Liner (FS Model)
Frame
10
RK-FMCSC-650
Recommended For
Pad
O-ring
Shaft/Bearing Assy.
Motor
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