McCulloch MAC 291 - TROUBLESHOOTING THE STRINGHEAD

PROBLEM
PROBABLE
CAUSE
Line won't
feed.
Line
is
tangled
inside
stringhead.
Remove
spool
from
unit;
disassemble.
Untangle
line
and
wind correctly
in
direction
indicated
on spool
(see
Section
8).
Upon
removing
spool,
line
appears
to be melted
together.
Trim off
damaged
line
and rewind
line (see
Section
B).
Line
wound
in
wrong
direction
inside
stringhead.
Remove
spool.
Check
to be
certain
line is
wound
in
direction
indicated
on
line
element.
(see
Section
8)
Insufficient
line
inside
stringhead.
Remove
spool
and
install
new
line
(see
Section
B).
Internal
damage
to
stringhead
caused
by
bumping
head
too
hard
on
ground
while
advancing
line.
Disassemble
stringhead
and
examine
parts
for
damage.
Replace
parts
or entire
head
(See
Section
8).
Line
snaps
off
or frays.
lmproper
trimming procedures,
or
poor
quality
line.
See General
Trimming
Instructions
or replace
line (see
S6ction
B).
Unable
to
remove
stringhead
knob.
Stringhead
and
shaft
are
hot
to the
touch.
Stringhead
knob
over
tightened
-
use
stringhead
wrench
supplied in
user
kit.
U
s e
anf,i- se
ize
com
pou
nd
(Permatexw
133A
Anti-sdize
or
equivalent)
and
reinstall
knob
HAND
TIGHT
ONLY.
Weed
wrap.
Remove
weed
wrap
(see
Section
7).
l9