
Remove the oil filter and thoroughly wash it in solvent.
Fig. 39
Cleaning the cylinder fins (Fig. 40)When wood chips are caught between cylinder fins (40), the engine may overheat, resulting in lower output. To avoid this, always keep cylinder fins and fan case clean.
Every 100 operating hours, or once a year (more often if conditions require), clean fins and external surfaces of engine of dust, dirt and oil deposits which can contribute to improper cooling.
40
Fig. 40
Cleaning the muffler (Fig. 41)Remove the muffler and spark arrestor, if so equipped, and clean out any excess carbon from the exhaust port or muffler inlet every 100 hours of operation.
Fig. 41
For
Drain all fuel from the fuel tank. Start and let engine run until it stops. Repair any damage which has resulted from use. Clean the unit with a clean rag, or the use of high pressure air hose. Put a few drops of
Cover the unit and store it in a dry area.
CHAIN SHARPENINGParts of a cutter (Fig. 42, 43)WARNING
○ Gloves should be used when sharpening chain.
○ Be sure to round off the front edge to reduce the chance of kickback or
42 41
43
44 |
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45 | 46 | 47 | 48 | ||
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| Fig. 42 |
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| 50 | 51 |
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| 52 |
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53
Fig. 43
41.Top plate
42.Working corner
43.Side plate
44.Gullet
45.Heel
46.Chassis
47.Rivet hole
48.Toe
49.Depth gauge
50.Correct angle on top plate (degree of angle depends on chain type)
51.Slightly protruding “hook” or point (curve on
52.Top of depth gauge at correct height below top plate
53.Front of depth gauge rounded off
LOWERING DEPTH GAUGES WITH A FILE1) If you sharpen your cutters with a file holder, check and lower the depth.
2) Check depth gauges every third sharpening.
3) Place depth gauge tool on cutter. If depth gauge projects, file it level with the top of the tool. Always file from the inside of the chain toward an outside cutter. (Fig. 44)
Fig. 44
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