Troy-Bilt TB5018CC, TB5020CC OIL Filter, Spark Arrester Screen, Spark Plug, Carburetor Adjustment

MAINTENANCE AND REPAIR INSTRUCTIONS

OIL FILTER

NOTE: Drain oil tank before changing filter

1.Disconnect oil hose (A) from pump fitting (B) (Fig. 33).

2.Use a wire with a hook (C) and pull oil filter (D) from tank. Remove filter and hose completely.

3.Insert a length of hose into tank and pull it through filler opening

4.Install a new filter on hose and pull hose back into tank so filter is positioned in bottom of tank.

5.Cut hose to fit and push it on to oil pump fitting.

D

C

AB

Fig. 33

SPARK ARRESTER SCREEN

NOTE: A clogged spark arrester screen will dramatically reduce engine performance.

1.Remove 2 muffler retaining nuts (E), Lock plate (F) and muffler cover(G) (Fig. 34).

2.Remove spark arrester screen (H) from the metal baffle (J). Replace screen with new one.

3.Reassemble the muffler components and tighten nuts securely.

J

H

G

F

E

SPARK PLUG

NOTE: For efficient operation of saw engine, spark plug must be kept clean and properly gapped.

1.Push STOP switch up.

2.Remove top Cover. Disconnect the wire connector from the spark plug by pulling and twisting at the same time (Fig. 35).

3.Remove spark plug with spark plug socket wrench.

DO NOT USE ANY OTHER TOOL.

WARNING: Do not sand blast, scrape or clean

electrodes. Grit in the engine could damage the cylinder.

4.Check electtrode gaps with wire feeler gauge and set gaps to .025” (.635mm) if necessary.

5.Reinstall a new spark plug.

NOTE: A resistor spark plug must be used for replacement (part no. 9295-320001).

NOTE: This spark ignition system meets all requirements of the Canadian Interferen-Causing Equipment Regulations.

Fig. 35

CARBURETOR ADJUSTMENT

The carburetor was pre-set at the factory for optimum performance. If further adjustments are necessary, please take your unit to the nearest Authorized Service Center listed in the Yellow Pages. Call 1-800-520-5520 for more information.

Fig. 34

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