Electric chain saw, Cleaning and maintenance, Continued – Desa LNT-2 076728K User Manual

Page 14

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14

107051

ELECTRIC CHAIN SAW

®

PUSH

TO

SHARPEN

Filing Cutter Depth Gauges

The cutter depth gauge clearance is reduced
as cutters are sharpened. After every second
or third sharpening, reset cutter depth gauges.

1.

Place depth gauge tool (.025") firmly
across top of two cutters. Make sure
depth gauge enters slot in depth gauge
tool (see Figure 22).

2.

Use medium flat file. File depth gauge
level with depth gauge tool.

3.

Remove depth gauge tool. With flat file,
round off front corner of cutter depth
gauge (see Figure 23).

After several hand filings, have authorized
service center or sharpening service machine
sharpen chain. This will insure even filing.

Figure 22 - Depth Gauge Tool On Chain

Flat File

Depth
Gauge
Slot

Figure 23 - Round Off Front Corner Of
Depth Gauge

Depth
Gauge
Tool

Depth Gauge

Front Corner

.025"

CLEANING AND
MAINTENANCE

Continued

WARNING: Unplug chain saw

from power source before servic-
ing. Severe injury or death could
occur from electrical shock or
body contact with moving chain.

WARNING: Cutting edges on

chain are sharp. Use protective
gloves when handling chain.

WARNING: Do not hand-

sharpen this Fast Sharp chain.
Hand-sharpening chain will in-
crease risk of kickback.

Figure 24 - Turning Sharpener Knob

Keep chain sharp. Your saw will cut faster
and more safely. A dull chain will cause
undue sprocket, guide bar, chain, and motor
wear. If you must force chain into wood and
cutting creates only sawdust with few large
chips, chain is dull.

Follow the steps below to sharpen Fast
Sharp chain. The automatic chain sharpener
sharpens cutter, lowers cutter depth gauge,
and adjusts guard drive link.

1.

Adjust saw chain for proper tension
(see Saw Chain Tension Adjustment,
page 7).

2.

Clean out excess sawdust and wood
chips from drive sprocket area.

3.

Turn sharpener knob counterclockwise
until clicking stops (see Figure 24).

4.

Turn sharpener knob clockwise until
you hear five distinct clicks.

SHARPENING SAW CHAIN

(Fast Sharp Model)

Figure 25 - Sharpening Fast Sharp Chain

Sharpener
Knob

REPLACING SAW CHAIN

Replace chain when cutters are too worn to
sharpen or when chain breaks. Only use
replacement chain noted in this manual.
Always include new drive sprocket when
replacing chain. This will maintain proper
driving of chain.

Note:

For proper chain and

drive sprocket, see Replacement Parts and
Accessories
, page 19.

5.

Place saw on clean, flat surface.

6.

Connect saw to power supply.

7.

Hold saw, with both hands in normal
cutting position.

8.

Press in switch lockout with right
thumb and squeeze trigger.

9.

Gently push on sharpener knob. Saw
must be running for chain to sharpen.

Note:

Sparks appearing shows sharp-

ener is working (see Figure 25). If no
sparks appear, continue to adjust sharp-
ener one click at a time. After each
click, press sharpener knob until light
flow of sparks appears.

After several sharpenings, you must turn
sharpener knob more to bring stone into
position.

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