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Assembly
Refer to the Illustration and Parts List for correct
orientation and placement of parts.
Replace any O-rings, seals, and gaskets on parts that
have been disassembled. Apply hydraulic fluid or O-ring
lubricant to all O-rings and all metal surfaces which they
must slide over. When installing an O-ring which must
slide over sharp surfaces, use a rolling motion and be
careful not to damage the O-ring.
Wherever the assembly results in metal-to-metal
contact, coat the surfaces with hydraulic fluid or O-ring
lubricant.
Motor
Install adapters (35 and 36) into the motor (17) pressure
port P and tank port T. Apply a thread sealant compat-
ible with hydraulic oil to the male pipe threads on 90°
elbows (37) and install into the adapters. Tighten fittings
securely.
Motor, Motor Adapter, and Handle
1. Install two bearings (8) on shaft (7) and secure using
external retaining ring (9). Slide shaft with bearings
into motor adapter (5) and secure using internal
retaining ring (10).
Note: Pumps manufactured since 1993 have motor
adapter (5) that requires an O-ring (32).
• If your adapter has an O-ring groove, install the
O-ring (32).
• If your adapter does not have an O-ring groove,
clean mating surfaces of motor and housing with
Loctite
755-59 Safety Solvent, or equivalent.
®
Coat one surface evenly with silicon sealer and
allow ten minutes to dry before assembling.
2. Install complete motor assembly (17) in motor
adapter (5). Make sure key in motor drive shaft
slides into slot of shaft (7) in motor adapter. Secure
motor to motor adapter (5) with two socket head
cap screws (18), lock washers (15), and flat washers
(34). If handle (19) was removed, install on motor
adapter (5) and secure with two hex head cap
screws (20) and lock washers (21).
Greenlee Tools, Inc.
H4660B Submersible Pump
Impeller Clearance
1. Slide shim (12) onto end of shaft (7). Install Woodruff
key (11) in keyway of shaft (7). Slide impeller (13)
onto shaft, guiding keyway in impeller over the
Woodruff key in shaft.
2. Lock impeller (13) in place by placing an appropri-
ate diameter hardened rod, approximately 4 mm
(0.171"), in one of the small holes in impeller and
mating the rod with hole in motor adapter (5). If no
rod is available, place a screwdriver between blades
of impeller. Secure impeller to shaft with jam nut
(14).
3. Check clearance between impeller (13) and motor
adapter (5). The clearance between these com-
ponents should be 0.5 mm to 1 mm (.020" to
.044"). Add or remove shim(s) (12) between impel-
ler (13) and shaft (7) as needed to achieve proper
clearance.
4. To set impeller/housing clearance, install six (brown)
gasket shims (4) on motor adapter (5), and set
motor and motor adapter subassembly on housing.
Begin removing gasket shims (4) until there is inter-
ference between the impeller (13) and housing (1).
When an interference is achieved, add one gasket
shim, either the (blue) gasket shim (3) or a (brown)
gasket shim (4), whichever one achieves a minimum
clearance without impeller/housing interference.
5. After setting impeller clearance, secure motor
adapter (5) to housing (1) by installing six hex nuts
(16), lock washers (15) and flat washers (30) on
studs protruding up from mounting holes in motor
adapter (5).
Inlet Screen (Strainer)
1. Install six hex head cap screws (27), with lock
washers (28) and flat washers (29) into sub base
(26). Position base so the threaded end of hex head
cap screws are pointing upwards.
2. Slide bushings (25) over hex head cap screws (27).
Snap inlet screen (strainer) (24) into groove in
base (26). Slide inlet (23) over hex head cap
screws (27), and snap groove in inlet (23) securely
onto inlet screen (strainer) (24).
3. Install strainer assembly on bottom of housing (1)
using six hex head cap screw (27). Tighten cap
screws securely.
32
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
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