Oil Filter - McCulloch TimberBear TM502 User Manual

7-2.AIR FILTER
CAUTION
Never operate saw without the air filter. Dust and dirt will be
drawn into engine and damage it. Keep the air filter clean!
TO CLEAN AIR FILTER:
1. Remove the top cover (A) and lift out air filter (B)
(Figure 7-2A).
2. Clean air filter. Wash filter in clean, warm, soapy water.
Rinse in clear, cool water. Air dry completely.
NOTE: It is advisable to have a supply of spare filters.
3. Install air filter. Install top cover. Make sure cover fits
properly. Tighten the cover retaining screws securely.
WARNING
Never perform maintenance when the engine is hot, to
avoid any chance of burning hands or fingers.
7-3.FUEL FILTER
CAUTION
Never operate your saw without a fuel filter. The fuel filter
should be replaced after each 20 hours of use. Drain fuel
tank completely before changing filter.
1. Remove air box cover and air filter as shown in Section
7-2.
2. Disconnect fuel hose (A) from carburetor fitting
3. Pull fuel filter (C) out of tank with a bent wire (D) or long
needle nosed pliers. Disconnect filter and discard.
NOTE: Do not pull hose completely out of tank.
4. Install a new fuel filter on hose and pull hose/filter
assembly back into tank so filter is positioned in front
right corner.
5. Reconnect fuel hose (A) to carburetor fitting (B).
Replace air filter and air box cover (Figure 7-3A).
6. Fill tank with fresh fuel / oil mixture. Install fuel cap.
B
C
D
7 - MAINTENANCE INSTRUCTIONS
B
A
7-2A
A
7-3A

7-4.OIL FILTER

NOTE: Drain oil tank before changing filter
1. Disconnect oil hose (A) from pump fitting (B).
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 (Figure
7-4A).
D
C
A
7-5.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).
2. Remove spark arrester screen (H) from the metal baf-
fle (J). Replace screen with new one.
3. Reassemble the muffler components and tighten nuts
securely.
16
B
7-4A
(Figure 7-5A)
J
H
G
F
7-5A
E