H4670 Submersible Trash Pump
Greenlee / A Textron Company
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
31
SERVICE
Disassembly
Complete disassembly of the tool is not recommended.
If a complete overhaul is necessary, return the tool to
your nearest Greenlee Utility Authorized Service Center.
The disassembly procedure is divided into sections of
the tool. Disassemble only the section(s) necessary to
complete the repair.
Disassemble the tool on a flat, clean surface. Take care
not to lose or damage any parts that may fall free during
disassembly.
Base Plate, Base Legs, and Inlet Plate
Note: Mating surfaces of inlet plate (4) and impeller (21)
are critical. Disassemble and handle with care to prevent
damage of these parts.
1. Remove three hex head cap screws (8), lock
washers (9), hex nut (10) and base plate (7).
2. Remove six hex head cap screws (6), three base
legs (5) and inlet plate (4).
Discharge Coupling, Handle, and Volute Housing
1. Remove discharge coupling (34) from volute
housing (1) if necessary.
2. Remove two wing nuts (25) and handle (31) from
volute housing (1).
3. Remove four wing nuts (25). Remove volute
housing (1) from case adapter assembly (11).
4. Remove shim(s) (24) from volute housing (1).
5. Remove six socket head cap screws (2) and lock
washers (3) from volute housing (1), if necessary.
Impeller
Lock impeller (21) in place by inserting a screw driver
between the blades of impeller. Remove hex cap nut
(23), wrought washer (22) and impeller (21) from case
adapter shaft (12). Remove Woodruff key (20) from case
adapter shaft.
Motor and Case Adapter
Remove two socket head cap screws (29). Remove
motor (28) from case adapter (11).
Case Adapter
Note: On later models only, remove O-ring (26) from
case adapter (11).
1. Remove retaining ring (14). Using a plastic head
mallet, tap on threaded end of drive shaft (12) to
drive shaft and bearings (13) out of case adapter.
Pull bearings (13) off drive shaft (12), if necessary.
2. Remove V-ring (17), insert (16) and seal (15) from
case adapter (11).
3. Remove six socket head cap screws (19) to remove
plate (18) from case adapter (11), if necessary.
Motor
Remove 90° elbows (32) and adapters (30 and 36) from
motor (28) pressure port P and tank port T. Remove
O-rings (31) from adapters.
Note: Disassembly of motor (28) is not recommended.
Motor components are not available.
Inspection
Clean all parts with solvent and dry them thoroughly.
Inspect each component as follows:
• Bearings: Insert shaft into bearing. Spin shaft. If shaft
does not spin smoothly, replace the bearings and the
shaft.
• Inspect all disassembled components for cracks,
grooves, chips, or nicks.
