Husqvarna EZ5224 / 965880601 用户手册

MAINTENANCE

Husqvarna-

37

The engine is equipped with an electronic ignition 

system. Only the spark plugs require maintenance.
for recommended spark plugs, see Technical Data.

Remove the ignition cable boot and clean around 

1. 

the spark plug.
Remove the spark plug with a spark plug socket 

2. 

wrench.
Check the spark plug. Replace the spark plug 

3. 

if fouled, the electrodes are burned and if the 

insulation is cracked or damaged. Clean the spark 

plug with a steel brush if it is to be reused.
Measure the electrode gap with a gapping tool. 

4. 

The gap should be .030" (0.75 mm). Adjust as 

necessary by bending the side electrode.
Reinsert the spark plug, turning by hand to avoid 

5. 

damaging the threads.
After the spark plug is seated, tighten it using 

6. 

a spark plug wrench so that the washer is 

compressed. A used spark plug should be turned 

1

/

8

 of a turn from the seated position. A new spark 

plug should be turned a ¼ turn from the seated 

position.
Replace the ignition cable.

7. 

The machine is equipped with a safety system that 

prevents starting or driving under the following 

conditions. 
The engine can only be started when: 

The mower deck is disengaged. 

1. 

The steering controls are in the outer, locked 

2. 

neutral position. 
The parking brake is on.

3. 
Make daily inspections to ensure that the safety 

system works by attempting to start the engine 

when one of the conditions is not met. Change the 

conditions and try again. 
If the machine starts when one of these conditions 

is not met, turn the machine off and repair the safety 

system before using the machine again.
Make sure the engine stops when the park brake is not 

engaged and the operator leaves the seated position. 
Check that the engine stops if the mower blades are 

engaged and the driver temporarily moves off the 

drivers seat.

8011-054

8058-026