48
TTCSP49
In more detail . . .
Sprocket wheel
1. Clean the sprocket wheel.
2.
Using a disposable lube gun, insert the needle nose into the lubrication hole (1) and
inject grease until it appears at the outside edge of the sprocket (Fig. 40).
40
3.
Make sure that the chain brake is disengaged. Rotate the saw chain (3) by hand.
Repeat the lubrication procedure until the entire sprocket has been greased.
Guide bar and saw chain maintenance
Most guide bar problems can be prevented merely by keeping the product well maintained.
Incorrect ling and non-standard cutter and depth gauge settings are the causes of most
guide bar problems, primarily resulting in uneven bar wear. As the bar wears unevenly,
the rails widen, which may cause the chain to clatter and make it difcult to complete
straight cuts. If the guide bar is insufciently lubricated and the product is operated with
a saw chain which is too tight, this will contribute to rapid bar wear. To help minimise bar
wear, maintenance of the guide bar as well as the saw chain is recommended.
1. Disassemble the guide bar (2) and saw chain (3) in reversed order from assembly.
2.
Check the oiling port for clogging and clean if necessary to ensure proper lubrication
of the guide bar (2) and saw chain (3) during operation. Use a soft wire small enough
to insert into the oil discharge hole (Fig. 41).
41
Oiling port
Care and maintenance
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