H4635 Submersible Trash Pump
Greenlee Tools, Inc.
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 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
1. Remove six cap screws (9), and lock washers (21).
2. Remove base (8), and bushings (20).
Discharge Coupling, Handle, and Cover
1. Remove discharge coupling (14) from housing (2),
if necessary.
2. Remove two cap screws (10) and lock washers (18).
Remove handle (5) from cover (4).
3. Remove six wing nuts (11). Remove cover (4)
from housing (2).
4. Remove six studs from housing (2), if necessary.
Impeller
1. Lock impeller (6) in place by inserting a screwdriver
between the blades. Remove cap screw (19) and
cone washer (3).
2. Unscrew the impeller (6) to remove from the drive
shaft (27).
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.
Assembly
Refer to the Illustration and Parts List for correct
orientation and placement of parts.
Replace any O-rings, V-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.
When instructed to use a thread locking compound
or other adhesive product, follow the manufacturer's
instructions for curing.
Impeller
1. Apply an anti-seize compound to the threads of the
motor shaft. Install the impeller onto the drive shaft.
Tighten the impeller securely.
2. Apply Loctite
®
242 Threadlocker to the threads of
the cap screw (19). Install the cap screw and cone
washer (3) on the end of the motor shaft. Lock the
impeller blades by inserting a screwdriver between
the blades and tighten the cap screw.
Discharge Coupling, Handle and Cover
1. Apply Loctite 271 Threadlocker, or equivalent,
to the threads of the studs, if removed. Install six
studs so 1" of stud is exposed above the housing
(2), (refer to illustration). Follow the manufacturer’s
instructions for curing. Assemble the cover (4) to the
housing (2) with six wing nuts (11).
2. Assemble the handle (5) to the cover (4) using two
cap screws (10) and lock washers (18).
3. Install the discharge coupling (14) to the housing (2),
if removed. Tighten securely.
0.62" (15.7 mm)
Thread Length
1.00"
(25.4 mm)
Base
1. Position the housing upside down (with the suction
port upward). Place six bushings (20) over the six
threaded holes in the housing.
2. Position the base (8) (with the groove of the base
downward) over the bushings and align the holes in
the base with the bushings. Install six cap screws (9)
with lock washers (21). Tighten securely.
Assembly
(cont’d)
