Operating Guide
24
100742 - 2 IN. (5 CM) SEMI-TRASH PUMP
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) (not included) socket 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 set within limits. Refer to
the Specifications section for values.
SPARK PLUG GAP
5. Refer to the spark plug section on the Specifications page
when replacing the plug.
6. Carefully thread the plug into the engine.
7. Use the spark plug socket tool (not included), or a 13/16 in.
(21 mm) (not included) socket to install the plug.
8. Attach the spark plug wire to the plug.
Cleaning the Air Filter
1. Remove the cover holding the air filter (foam element) to the
assembly.
2. Remove the foam element.
3. Wash the foam element in liquid detergent and water.
Squeeze thoroughly dry.
4. Saturate in clean engine oil.
5. Squeeze in a clean, absorbent cloth to remove all excess oil.
6. Place the air filter (foam element) back into the assembly.
7. Reattach the air filter cover.
Cleaning the Spark Arrestor
CAUTION
Failure to clean the spark arrestor will result in degraded
engine performance.
NOTICE
Federal and local laws and administrative requirements
indicate when and where spark arrestors are required. When
ordered, spark arrestors are required for operation of this
water pump in National Forest lands. In California, this water
pump must not be used on any forest-covered land, brush-
covered land, or grass-covered land unless the engine is
equipped with a spark arrestor.
1. Allow the engine to cool completely before servicing the spark
arrestor (if equipped).
2. Remove the screws holding the cover plate which retains the
spark arrestor screen to the muffler.
3. Remove the spark arrestor screen.
4. Carefully remove the carbon deposits from the spark arrestor
screen with a wire brush.
5. Replace the spark arrestor if it is damaged.
6. Position the spark arrestor on the muffler and attach with the
screws.