Hale HP Series User Manual

Page 39

USER OPERATION AND MAINTENANCE

HP SERIES

PORTABLE PUMPS

13. Return pump to storage or

operation.

REPLACE SPARK PLUGS

Replace the spark plugs every 100 hours

of operation or yearly.

To replace the spark plugs ensure the

pump is cool and proceed as follows:

1. Unlatch and remove pump engine

covers to gain access to the pump

engine.

2. Disconnect negative battery lead.

3. Remove spark plug wire from

spark plug.

4. Using spark plug wrench remove

spark plug.

NOTE: Do not blast clean
spark plug. Spark plug should
be cleaned by scraping or
wire brushing and washing
with a commercial solvent.

NOTE: In some areas, local
law requires the use of a
resistor spark plug to suppress
ignition signals. If the engine
was originally equipped with a
resistor spark plug, be sure to
use the same type of spark
plug for replacement. The
following is a list of the
recommended sparkplugs.

Spark Plug Type

Champion

Autolite

Resistor

RC12YC

3924

Spark Plug Gap .............. 76 mm (.030 in.)

5. Obtain new spark plug and check

gap using a wire gauge. The proper

gap is 0.030 in (0.76 mm).

6. Insert the new spark plug into hole

and screw in being careful not to

cross thread.

7. Reconnect spark plug wire to

spark plug.

CAUTION: Sparking can occur
if wire terminal does not fit
firmly on spark plug. Reform
terminal if necessary.

8. Reconnect negative battery lead.

9. Install pump covers and latch in

p l a c e .

SPARK PLUG GAP CHECKING