Maintenance - Craftsman 358.740160 Operator's Manual

GENERAL RECOMMENDATIONS
WARNING: Disconnect the spark
plug before performing maintenance
except for carburetor adjustments.
The warranty on this unit does not cover items
that have been subjected to operator abuse or
negligence. To receive full value from the
warranty, the operator must maintain the unit
as instructed in this manual. Various
adjustments will need to be made periodically
to properly maintain your unit.
Have all repairs other than the recommended
maintenance described in the instruction
manual performed by a Sears or other qualified
service dealer. It is your responsibility to
maintain and perform general maintenance.
MAINTENANCE SCHEDULE
Daily
Check fuel mixture level

Check bar lubrication

Check chain sharpness

NOTE: Chain sharpening is a complicated task
that requires special tools. We recommend that
you refer chain sharpening to a professional
chain sharpener.
Check chain tension

Inspect and clean the guide bar

Check for damaged parts

Check for loose caps

Check for loose fasteners

Check for loose parts

Check for fuel and oil leaks

Every 5 hours*
Inspect and clean air filter

Inspect and clean chain brake

Inspect and clean guide bar

Every 25 hours*
Inspect and clean spark arresting screen and

muffler
Yearly
Replace spark plug

Replace fuel filter

Replace air filter

* Each hour of operation is approximately 2
tanks of fuel.

MAINTENANCE

CHAIN
sharpening techniques and/or depth
gauge maintenance will increase the
chance of kickback which can result in
serious injury.
when handling chain. The chain is sharp
and can cut you even when it is not
moving.
Conditions which indicate the need for chain
sharpening:
Reduction in size of wood chips.

The size of the wood chip will decrease as
the chain gets duller until it becomes more
like a powder than a chip. Note that dead or
rotted wood will not produce a good chip.
Saw cuts to one side or at an angle.

Saw has to be forced through the cut.

Tools required:
5/32 inch (4 mm) diameter round file and

filing guide
Flat file

Depth gauge tool

To sharpen chain:
1. Move ON/STOP switch to the STOP
position.
2. Check chain for proper tension. Adjust chain
tension if necessary. See CHAIN TENSION
section.
3. Sharpen cutters.
To sharpen the cutters, position the filing

guide level (90°) so that it rests on the top
edges of the cutter and depth gauge.
NOTE: The chain has both left and right hand
cutters.
Align the 30° filing guide marks parallel with

the bar and to the center of the chain.
15
WARNING: Improper chain
WARNING: Wear protective gloves