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lingthechain;Thechaincanbesharpenough to
cut you even though it may be too dull to cut
wood.
1. CHAIN MAINTENANCE
• Sharpen the chain when:
Wood chips aresmall and powdery, Wood
c_ips made by the saw chain should be
about the size of the teeth of the chain.
-- Saw has to be forced through the cut.
-- Saw cuts to one side.
a. CLEAN TREE SAP FROM THE CHAIN
BEFORE IT IS SHARPENED:
1.) Soak chain in a petroleumbased solvent
or a detergent and water solution
2.) Dry chain thoroughly,
3.) Immersethecleanchalnin tightoiluntiloil
seeps intothe rivet holes,
NOTE: Do notrunachain which has been
cleaned without lubricating it first.
b, SHARPENING INSTRUCTIONS
Items required:
Gloves Depth Gauge Tool
5/32" file Screwdriver
6" file holder Vise
Rat file
5.)Sharpen cutters.
a.) Support the square rod onthe file holder
(with 5/32" round file) on cutter top plate.
Figure 38.
b.) Holdthe fileholderleveiwiththe30o guide
mark paralle! to the center of the chain.
Figure39.
c.) File from inside toward outside of cutter,
straightacross, on forwardstrokeonly.Use
2or 3 strokesper cutting edge. Figure 39.
d.) Keep all cutters the same length. Figure
40.
e.) File enough toremoveanydamage tocut-
tingedge (side&top plate)ofcutter.Figure
40.
f,) File91SGchaintomeetspecificationsshown
in Figure 41,
/_WARNING
Maintain the proper hook angle according to the
manufacturer's specification for the chain you are
Using. Toomuch hook angle will lncrese the chance of
kickbeck which can result In serious personal Injury,
Figures 41 and 43.
6.)Correct Depth Gauges
a.) Place depth gauge tool (Catalog No.
71.36557) over each cutter depth gauge.
Figure 42,
•b.) Filelevel withtheflat fife ifdepthgauge is
higher than the depth gauge toot.
c.) Maintain rounded front corner of depth
gauge with a fiatfile. Figure 42 &43.
NOTE: The very top of the depth gauge
should be flat with the front half rounded
off with a flat file,
18
OF FILE HOLDER
ON TOP OF CUTTER
-___OUN D FILE
DEPTH
GAUGE
T?_P" '-
PLATE ! _b
SIDE PLATE
Figure 38
KEEP 30 ° MARK
PARALLEL TO L_K..//'/
THE CENTER OF 30°///
THE GUIDE BAR_/
Figure39
CUTTERS
SAME t.ENGTif
REMOVE DAMAGE
SIDE PLATE TOP PLATE
Figure40
J
Figure41
iAUGE TOOL
DEPTH GAUGE
Fiaum 42
HOOK TOO MUCH SQUARED [
ANGLE HOOK ANGLE_, OFFCORNER _
* ......... 0;Z,_ . ---- |
Figure43
Z_WARNING I
Depth gauge tool ts mqutred to Insure proper depth
gauge. RIIng the depth gauge too deep will Increase
the chance of kickback which can result In serious
personal Injury.
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