Advertisement
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.
Tube
1. Remove the cap screws that fasten the tube (25) to
the valve body (10).
2. Remove the cap screws from the guard (31).
Remove both halves of the guard.
3. On newer models, remove two cap screws (32) from
the tube (25).
On older models, remove two nuts (36), double
washers (33), washers (34), and cap screws (35).
4. Slide the tube (25) away from the valve body (10)
to expose the hose connections. Mark the end of
the pressure hose for correct assembly. Disconnect
the hoses (29) from the adapters (24) on the tamper
unit. Slide the tube over the hoses.
5. Mark the end of the pressure hose for correct
assembly. Disconnect the hoses from the adapters
(30) on the handle (45). If necessary, remove the
adapters from the handle.
Valve Body and Components
1. Remove the roll pin (41). Remove two nuts (40),
cover plates (38), and cap screws (39). If necessary,
remove the trigger lever (37), trigger lock (44), and
sleeve (43).
1a. Cool Grip—Remove retaining ring (41) and pins (40).
Remove screws (36, 37) and nuts (38). Remove grip
halves (34, 35).
2. Remove the retaining ring (50) and washer (49) from
the trigger side of the handle. Slide the control spool
(46) and spring (47) out of the handle. Remove the
O-ring (52) from the control spool. Remove the
retaining ring (50), end cap (48), and O-ring (51) from
the handle.
2a. Cool Grip—Remove washer (44), spring (45), and
retaining ring (43). Slide trigger spool (45) from
handle (33). Remove O-ring (46) from trigger spool
and O-ring (50) and backup (51).
3. Cool Grip—Remove retaining ring (52) from spool
(47). Turn OC/CC spool (49) counterclockwise to
remove from spool (47).
Greenlee / A Textron Company
H4802-3 and H4802-5 Pole Tampers
Tamper Unit
1. Scribe a line across the valve body (10) and tamper
body (1) for correct assembly.
2. Loosen the cap screw (23) that fastens the foot (21)
to the ram. Loosen it so that it protrudes far enough
from the bottom surface of the tamper foot to be
struck with a hammer or pressed against with a
hydraulic press.
3. Slide the ram (2) out of the tamper body as far as
it will go. Refer to 3a to remove the tamper foot
manually. Refer to 3b to remove the tamper foot
with a hydraulic press.
3a. Taking care not to damage the ram surface, secure
the tamper foot in a vise with the bottom of the foot
upward. Set a block of wood on the cap screw (23)
and strike the block with a heavy mallet until the
tamper foot is released from the ram. Remove the
cap screw (23) and washer (22). Remove the tamper
foot.
3b. Taking care not to damage the ram surface, secure
the tamper foot in a hydraulic press and apply
force to the cap screw (23) until the tamper foot is
released from the ram. Remove the cap screw and
washer (22). Remove the tamper foot.
4. Remove the cap screws (18) that secure the valve
body (10) to the tamper body (1). Remove the valve
body from the tamper body. Remove the O-rings
(16, 17) from the valve body.
5. Remove the plugs (11, 14) from the valve body.
Remove the spring (13), stop (12), and spool (9)
from the valve body. Remove the O-ring (15) from
the plug. If necessary, remove the adapters (24).
6. Unscrew the packing nut (3) from the bottom end
of the tamper body (1). Remove the rod wiper (7),
U-cup seals (4, 5), and O-ring (6) from the
packing nut.
7. Remove the ram (2) and shaft (8) from the tamper
body.
Inspection
Clean all parts with solvent and dry them thoroughly.
Inspect each component. Replace any component that
shows wear or damage.
6
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
Advertisement
