LHFS-210003 Pruner
Greenlee / A Textron Company
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
11
Disassembly
(cont’d)
Ram and Piston Actuator
1. Remove jam nut (14) from upper end actuator (59).
2. Use a strap wrench to unscrew cylinder (53) from
upper end (59). The piston and rod assembly (63)
will remain in cylinder (53) when unscrewing and
removing from upper end (59).
3. Remove rod seal (54), seal (47), bushing (57), piston
seal (55) and seal retainer (56) from upper end (59).
4. Remove piston and rod assembly (63) with seals
(52, 50, 51, 60, 61) from cylinder (53).
5. Remove the seals (60, 61) from piston and rod
assembly (63).
6. Remove the 3/4 inch internal retaining ring (52) from
inside of piston and rod assembly (63). Remove seal
retainer (50) and bypass seal (51).
7. Remove O-ring (47) from handle (75). Remove 3/4
inch internal retaining ring (52) which secures return
tube assembly (49) into the handle (75). Remove
return tube assembly. Remove O-ring (48) from
return tube assembly (49).
8. Remove the #10 x 1/4-inch round slotted head
screws (66) and internal tooth lock washers (65).
Remove trigger guard (64).
9. Remove the 5/32 inch external retaining rings (36)
and slide trigger pivot pin (35) out of handle (75).
Remove trigger (34).
10. Remove valve cap (43) from valve handle (75) oppo-
site trigger side. Also remove spring (42). Remove
valve stem guide (37); valve stem (38) and spool (40)
from trigger side. Remove O-ring (39) from spool
(40). Also remove O-ring (41) from valve handle (75).
Inspection
1. Cutter Blade (29): Cutting surface must be smooth
and free of grooves, nicks, or gouges. If blade has
minor grooves, nicks, or gouges, remove them and
sharpen blade with a file or the pocket whetstone
provided with tool. If blade has severe damage,
replace the blade. Both holes in blade are pivot
holes. If either hole is out-of-round, replace blade.
2. Cutter Hook (30): The surface of the cutter hook
which mates with the cutter blade (29) must be
smooth and free of nicks or gouges. If hook has
minor blemishes, remove them with a file. The inner
radius of hook’s cutting surface must be beveled
slightly with a pocket whetstone provided with tool.
3. Valve spool (40): All surfaces must be smooth
and free of grooves, nicks, or scratches. If it has
grooves, nicks, or scratches, replace the spool.
4. Piston and Rod Assembly (63): All surfaces must
be smooth and free of grooves, nicks, or scratches.
If either component has grooves, nicks, or
scratches, replace the component.
5. Cylinder (53): All inner surfaces must be smooth
and free of grooves, nicks, or scratches. If either
component has severe grooves, nicks, or scratches,
replace the component.
6. Inner Extension Assembly (6): All components must
be straight and free of damage. Replace if bent or
damaged.
7. O-Rings and Seals: Always replace O-rings and
seals in components that have been disassembled
with new O-rings and seals during assembly. A
packing kit is available that includes all O-rings and
seals.
