Fig. 8
WARNING:
Always wear protective gloves during maintenance operations. Do
not carry out maintenance when the engine is hot.
CHAIN SHARPENING - The pitch of the chain (Fig. 8) is 3/8” LoPro x .050”.
Sharpen the chain using protective gloves and a round file of ø3/16” (4.8mm).
Always sharpen the cutters only with outward strokes (Fig.9) observing the va
-
lues given in Fig. 8.
After sharpening, the cutting links must all have the same width and length.
WARNING:
A sharp chain produces welldefined chips. When your chain starts
to produce sawdust, it is time to sharpen.
After every 3-4 times the cutters have been sharpened you need to check the
height of the depth gauges and, if necessary, lower them using the flat file and
template supplied optional, then round off the front corner. (Fig. 10)
WARNING:
Proper adjustment of the depth gauge is as important as proper
sharpening of the chain.
CHAIN TENSION
Check the chain tension frequently and adjust as often as necessary to keep the
chain snug on the bar, but loose enough to be pulled around by hand.
(See Section SAW CHAIN TENSION ADJUSTMENT).
BREAKING IN A NEW SAW CHAIN
A new chain and bar will need readjustment after as few as 5 cuts. This is nor
-
mal during the break-in period, and the interval between future adjustments will
begin to lengthen quickly.
Fig. 9
Fig. 10
