Maintenance - Craftsman 104.79212 Operator's Manual

FREQUENCY
BEFORE STARTING ENGINE
EVERY 10 HOURS
FIRST CHANGE AT 10 HOURS
EVERY 25 HOURS THEREAFTER
EVERY 25 HOURS
EVERY 25 HOURS
Perform these required maintenance procedures at
the frequency stated in the table. These procedures
should also be a part of any seasonal tune-up.
NOTE: Failure to maintain your trimmer at the recom-
mended schedule may result in poor performance
and/or cause permanent damage to your trimmer
NOTE: Some maintenance procedures may require
special tools or skills. If you are unsure about these
procedures call 1-800-235-5878 for assistance.
NOTE: Maintenance, replacement, or repair of the
emission control devices and system may be performed
by any non-road engine repair establishment, individual
or authorized service dealer.
Oil Fill Plug/Dipstick
O-ring
Full
Add
WARNING:
When servicing, use only identical
replacement parts. Use of any
other parts may create a hazard
or cause product damage.
WARNING:
To prevent extensive engine wear and
damage to the unit, always maintain the
proper oil level in the crankcase. Never
operate the unit with the level below the
bottom of the dipstick.
MAINTENANCE REQUIRED
CHECK OIL
CLEAN AND RE-OIL AIR FILTER
CHECK OIL
CHECK OIL
CHECK SPARK PLUG POSITION GAP
ROCKER ARM CLEARANCE ADJUSTMENT
Fig. 16

MAINTENANCE

CHECKING THE OIL LEVEL
The importance of checking and maintaining the proper
oil level in the crankcase cannot be overemphasized.
Check oil before each use:
1. Stop the engine and allow to cool.
2. Place the unit on a at, level surface to get a proper
oil level reading.
3. Keep dirt, grass clippings and other debris out of the
engine. Clean the area around the oil ll plug/dipstick
before removing it.
4. Remove the oil ll plug/dipstick and wipe o oil. Rein-
sert it all the way back in.
5. Remove the oil ll plug/dipstick and check the oil level.
Oil should be between the add and ll marks (Fig. 16).
6. If the level is low, add a small amount of oil to the oil
ll hole (Fig.17) and recheck. Repeat this procedure
until the oil level reaches the full mark of the dipstick.
NOTE: Do not over ll the unit.
NOTE: Make sure the O-Ring is in place on the oil ll plug/
dipstick when checking and changing the oil (Fig. 16).
Oil Fill Plug/
Dipstick
12
REFER TO
PAGE 6
PAGE 13
PAGE 13
PAGE 13
PAGE 14
PAGE 16
Oil Fill Hole
Fig. 17