3
MAINTENANCE
TURN OFF ALL POWER!
REAR END CAP/ MOTOR SHAFT SLOT ACCESS
Loosen end cap screws (17). Rotate shaft cover (16) to access slot on motor shaft.
PUMP DISASSEMBLY
Remove 3 cover screws (1). Remove cutter housing (2) and o-ring (3). Remove hex
nut (4) and cutter blades (5) & (6). It may be necessary to hold the motor shaft
steady. Insert a screwdriver into slot on motor shaft (see slot access above), or slip
a thin wrench (9/32” [7mm]) behind blades onto flat of motor shaft. Remove top wear
plate (7), gasket (8), impeller (9) and bottom wear plate (10). Remove impeller hous-
ing (11) and shaft seal (12). It is not necessary to remove slinger (13).
PUMP REASSEMBLY
Make sure slinger (13) is on shaft. Make sure shaft seal (12) is inserted properly into
rear of impeller housing (11). Slide impeller housing (11) onto motor shaft. Seat
bottom wear plate (10) into housing. Twist impeller (9) onto shaft and into housing
with a counterclockwise motion. Install gasket (8) and top wear plate (7). Install
cutter blades (6) & (5) with tab on bottom blade aligned with motor shaft flat. Secure
motor shaft with screwdriver or wrench (9/32”) [7mm] and tighten hex nut (4). Posi-
tion o-ring (3) and cutter housing (2) in place, and install cover screws (1).
MAINTENANCE TIP!
Loosen stuck impeller by turning motor
shaft clockwise from rear with a flat-
tipped screwdriver.
PARTS & KITS LIST
Item Description Qty.
1
Cover Screw
3
2
Cutter Housing
1
3
O-Ring
1
4
Hex Nut
1
5
Top Cutter
1
6
Bottom Cutter
1
7
Top Wear Plate
1
8
Gasket
1
9
Impeller
1
10
Bottom Wear Plate
1
11
Impeller Housing
1
12
Shaft Seal
1
13
Slinger
1
14
Motor Assembly
1
15
O-Ring
1
16
Rear End Shaft Cover
1
17
End Cap Screw
2
18
Baseplate Assembly
1
19
Hex Bolt
2
Kit Name Kit # Kit Item
Impeller
94-571-00 8,9
Pump Head
94-570-00
3, 7, 8, 9,
10, 11, 13
17
16
15
18
19
10
8
6
4
2
14
13
12
11
9
7
5
3
1