McCulloch MAC 291 - MAINTENANCE INSTRUCTIONS; PREVENTIVE MAINTENANCE

8.1.
PREVENTIVE
MAINTENANCE
Service
other
than routine
user
maintenance
items
should
be
performed
by
your
McCulloch
Authorized
Service
Center listed
in under
"SAWS"
in the Yellow
Pages
of
your
telephone
directory.
Keep
your
unit
clean.
Do not allow
filters, mufffer
and
cylinder
fins to become
plugged
or
covered with
dirt or
debris.
fi[
Never use
dirty fuel
or dirty
oil. Engine
damage
\lf
could result.
Always
follow
instructions
in the
Fuel
and
Lubrication
section
of this manual.
A
good preventive
maintenance
program
will
prolong
the
life and maintain the
performance
of
your
McOulloch unit.
After
the first 7 days or 15 hours of operation,
whichever
comes
eadiest, take
your
unit to
your
McOulloch
Author-
ized Service Center for
an inspection and
check-up.
Your
dealer will be
pleased
to
help
you
set up a
preven-
tive maintenance
program
to suit
your
needs.
The rec-
ommended first 7-day or 1S-hour
check-ups
and a
follow-up
of regular
periodic
check-ups
and tune-ups
will
assure long, satisfactory
service from
your
McCulloch
product.
This service will
be
performed
at
your
McCul-
loch Authorized
Service Center at existing
service rates.
MAINTENANCE
CHECKLIST
NOTE:
The
maintenance
checklist
below
is a
guide
for
preventive
maintenance.
Cleaning, adjustment,
and
parts
replacement
may,
under
certain
conditions,
be required
at more
frequent intervals than
those indicated.
MAINTENANCE
CHECK
LIST
5
H
o
U
R
S
20
H
o
U
R
S
lil
r
I
ITEM
ACTION
SCREWS
/
NUTS
/BOLTS
INSPECT
/
TIGHTEN
CONTROLS
INSPECT
TFEPLACE
AS FEQUIFED
AIR FILTER
CLEAN
OR REPLACE
FUEL FILTEB
REPLACE
DEBRIS
SHIELD
INSPECT
REPLACEAS
REQUIRED
STRINGHEAD
INSPECT
REPLACEAS
REQUIRED
SPARK PLUG
CLEAN/ADJUST/FEPLACE
MUFFLER
TCLEAN
LAMINATION
GAP
*CLEANTADJUST
EXHAUST
PORTS
*CLEAN
a
SPARKARFESTER
SCBEEN
INSPECT
REPLACE
CYLINDEB
FINS
TCLEAN
CARBUFETOR
.CLEAN
STARTER
ROPE
INSPECT
a
*REPLACE
AS REOUIRED
DRIVE
SHAFT
TLUBRICATE
(Every
50
Hours)
a
FUEL
HOSES
INSPECT
a
*REPLACEAS
REOUIRED
tFlecommended
for Maintenance
by a McCulloch
Authorized
Service Center Technician
13