Champion Power Equipment 90720, Operator'S Manual

23

90720 - 7 TON FULL BEAM LOG SPLITTER

MAINTENANCE

Cleaning and Adjusting the Spark Plug(s)

1.  Remove the spark plug cable from the spark plug.

2.  Use a spark plug socket tool (not included), or a 

13/16 in. (21 mm) socket (not included) to remove the plug.

3.  Inspect the electrode on the plug. It must be clean and not 

worn to produce the spark required for ignition.

4.  Make certain the spark plug gap is 

0.028-0.031 in. (0.7-0.8 mm).

SPARK PLUG GAP

5.  Refer to the spark plug types in Specifications when replacing 

the plug.

6.  Firmly re-install the plug.

7.  Attach the spark plug cable to the spark plug.

Cleaning the Air Filter

1.  Remove the plastic cover by turn the 2 thumb screws holding 

the cover on.

2.  Remove the foam element.

3.  Wash in liquid detergent and water. Squeeze thoroughly dry in 

a clean cloth.

4.  Saturate in clean engine oil.

5.  Squeeze in a clean, absorbent cloth to remove all excess oil.

6.  Place the filter in the assembly.

7.  Reattach the air filter cover and using your fingers, insert the 

thumb screws into the top and bottom holes of the air filter 
cover. Screw until tight. Be sure not to over tighten.

Cleaning the Spark Arrestor

1.  Allow the engine to cool completely before servicing the spark 

arrestor.

2.  Remove the top of the muffler cover to expose the spark 

arrestor.

3.  Carefully remove the carbon deposits from the spark arrestor 

screen with a wire brush.

Changing the Hydraulic Oil



NOTICE

When log splitters are not used for extended periods of time 
and they are exposed to changing temperature conditions, 
moisture through condensation can build up inside the tank.

Always shut off the engine, disconnect the spark plug.

1.  Begin with the cylinder retracted and the engine switch in the 

“OFF” position.

2.  Turn the fuel valve to the “OFF” position.

3.  Release any stored pressure by moving the valve lever 

forward and backward several times.

4.  Place a container under the hydraulic tank. Make sure 

it is large enough to hold the contents of the tank. 
See model specification section of this manual for hydraulic 
oil capacities.

5.  Disconnect the clear suction hose from the pump inlet. (A)

6.  Drain oil into a collection pan or proper container.

7.  Reattach the clear suction hose to the pump. (A) Securely 

tighten the clamp of the clear hydraulic hose with either a flat 
head screw driver or 6mm socket  (Torque to 2.9-4.4 ft lbs.).