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Maintenance and care
Cleaning Grill and Cylinder Fins
1. Remove accumulated debris from intake grill between back-
pack frame and blower housing.
2. Disconnect spark plug lead from spark plug.
3. Remove engine cover - 5 screws.
4. Clean cylinder fins to allow cooling air to pass freely.
5. Reassemble parts in reverse order.
Exhaust system
Spark Arrester Screen
Tools required: Cross Head Screwdriver, 4 mm Hex Wrench,
Soft metal brush
Parts required: Spark arrester screen, Gasket
1. Disconnect spark plug lead from spark plug.
2. Remove engine cover - 5 screws.
3. Remove spark arrester cover , gasket , and spark arrester
screen from silencer. Replace screen if plugged with carbon
deposits.
4. Install spark arrester screen, gaskets, and cover.
5. Install engine cover.
Silencer and Exhaust Port
Tools required: 4 mm Hex Wrench, 5 mm Hex Wrench, Wood-
en or plastic scraper
Parts required: Gasket
1. Air intake
1. Spark plug
2. Cylinder fins
IMPORTANT
Do not over-tighten screws, otherwise mounting holes may be-
come stripped.
1. Spark arrester screen
3. Spark arrester cover
2. Gasket
IMPORTANT
Carbon deposits in silencer will cause a drop in engine output
and overheating. Spark arrester screen must be checked peri-
odically.
Summary of Contents for PB-625
Page 2: ...2 Top cover composite volume...
Page 31: ...29 X753 003 78 2 X753 112 380 3 2009 1Notes and rear cover MEMORANDUM...
Page 125: ...29 X753 003 78 2 X753 112 380 3 2009 1Note e quarta di copertina MEMORANDUM...
Page 157: ...31 X753 003 78 2 X753 112 380 3 2009 1Notas y contraportada MEMORANDO...
Page 159: ...4 Packing list...