910500
– 4-Cycle Gas Power
Impact Wrench
Impact
Phone: (262) 637-9681
Email:
5.2022 Rev 1
Page
22
of
27
Fuel Filter Inspection and Fuel Tank Cleaning
1. Check that the engine oil filler cap/dipstick [1] is tightened securely.
2. Remove the fuel filler cap.
3. Drain the fuel filler neck by hooking the black fuel tube with a piece of wire.
4. Inspect the fuel filter. If the fuel filter is dirty, gently wash it with non-flammable or high flash point
solvent. If the fuel filter is excessively dirty, replace it.
5. Remove water and dirt from the fuel tank by rinsing the inside of the fuel tank with non-flammable or
high flash point solvent.
6. Insert the fuel filter int the fuel tank and tighten the fuel filler cap securely.
Spark Arrester
Removal
1. Loosen the hex bolt and then remove the top
cover.
2. Remove the self-tapping screws [1] from the
spark arrester [2] and remove the spark
arrester and exhaust filter [3] from the muffler
[4].
Exhaust Filter Cleaning and Inspection
1. Pinch the exhaust filter and strike it lightly with
a finger to remove carbon deposits.
2. Be careful not to strike it too hard. The exhaust
filter must be free of breaks and holes.
Spark Arrester Cleaning and Inspection
1. Use a brush to remove carbon deposits from the spark arrester screen [5]. Be careful to avoid
damaging the screen.
2. The spark arrester must be free of breaks and holes. Replace the spark attester if it is damaged.
3. Install the exhaust filter and spark arrester in the reverse order of the disassembly.
Note, the spark arrester’s outlet musty point to the side opposite of the spark plug [6].
4. Install the top cover and tighten the hex bot securely.
