Disassembly; Inspection - Greenlee 38568 Service Manual

Disassembly

Complete disassembly of the tool is not recommended.
If a complete overhaul is necessary, return the tool to
your nearest authorized Greenlee Utility 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.
Inner and Outer Tubes
1. Remove hex head cap screw (10) and lock washer
(11) which secure outer tube (4). Remove inner
tubes (2 and 3) from ports of handle assembly (8).
Remove handle assembly from outer tube. Plug (5)
may fall free.
2. Remove three oval head machine screws (9) which
secure outer tube to motor assembly (1). Remove
outer tube from motor assembly. Nut carrier (7) may
fall free. Remove inner tubes (2 and 3) from ports of
motor assembly.
3. Remove outer tube (4) from inner tubes (2 and
3). Clean both outer and inner tubes. Inspect
O-rings (22) for signs of cracks or wear. Remove, if
necessary.
Handle Assembly (Serial Codes HAA, HAB, and HAC)
1. Remove two round machine screws (39) from guard
(38). Remove guard from handle (27).
2. Remove retaining ring (46) and trigger pivot (45),
which secures trigger (41).
3. Remove retaining ring (49) to remove spool assem-
bly (35, 36, 28–30) from handle (27).
4. Remove internal retaining ring (30) from spool (35)
to remove Super Spool (28).
Handle Assembly
(Serial Codes AMM, AMN, AMP, FRM, FRP, and FRR)
1. Remove two round head machine screws (39) and
lock washers (40) from guard (38). Remove guard
(38) from handle assembly (27).
2. Remove retaining ring (46) and trigger pivot (45)
which secures trigger (41).
3. Remove internal retaining ring (30) from sleeve (28)
which will allow spring (33) and washer (32) to be
removed.
4. Remove internal retaining ring (50) and washer (37).
5. Remove spool (35) from sleeve (28).
6. Remove external retaining ring (49). Pull sleeve (28)
out of handle (27).
Greenlee / A Textron Company
38568, 43177, and 43178 Long-Reach Chain Saws
Saw Blade and Chain
1. Remove hex head cap screws (15). Remove cover
(14). Remove saw chain from sprocket (26). Remove
bar (12) from motor assembly (1). Dog and tension
bolt may be removed from saw head if necessary.
2. Remove stop nut (19), sprocket adapter (26), rim
sprocket (18), sprocket key (17), and sprocket
washer (16) from drive shaft.
Motor Assembly
1. Scribe a line across motor cap (55) and saw head
assembly (52) to help align parts correctly during
reassembly. Remove socket head cap screws (66).
Remove motor cap from saw head assembly.
2. Remove idler shaft (58). Remove gear (61) from
idler shaft (58). Remove gear (61) and Woodruff key
(59) from drive shaft (57). Remove gasket (62) from
motor. Remove dowel pins (63), if necessary.
3. Remove retaining ring (65). Drive shaft may be
driven out of saw head assembly, threaded end first,
using a rubber mallet. Remove ball bearing (64) from
drive shaft.
4. Bearings (53 and 56) should be removed from
saw head assembly and motor cap only if they are
damaged. Bearings are pressed in, and should be
removed only if the necessary equipment to replace
them is available.
5. Remove metering screw (68), which controls oil flow
to automatic chain oiler. Remove O-ring (67).

Inspection

Clean all parts with solvent and dry them thoroughly.
Inspect each component as described in this section.
Replace any component that shows wear or damage.
1. Saw Head Assembly and Motor Cap Assembly:
Inspect mating surfaces, gear cavities, oil passage-
ways, etc. for grooves or nicks. If any component
shows wear or damage, replace the entire assembly
with the bearings already pressed in.
2. Inspect all other disassembled components for
cracks, grooves or nicks.
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