Replace Spark Plug; Service And Adjustments; Replacing The Line - McCulloch MAC 250 L Instruction Manual

Button
Air Filter Cover

SERVICE AND ADJUSTMENTS

REPLACING THE LINE

1. Press the tabs on the side of the trimmer
head and remove cover and spool.
Tab
Cover
Spool

REPLACE SPARK PLUG

Replace the spark plug each year to ensure
the engine starts easier and runs better. Set
Air Filter
spark plug gap at 0,6 mm. Ignition timing is
fixed and nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder and dis-
card.
3. Replace with Champion RCJ-6Y spark
plug and tighten securely with a 19 mm
socket wrench.
4. Reinstall the spark plug boot.
2. Remove any remaining line.
3. Clean dirt and debris from all parts. Re-
place spool if it is worn or damaged.
4. Replace with a pre-wound spool, or re-
place line using a 4,5 meters length of 2,4
mm diameter McCulloch brand line.
WARNING:
string, etc., which can break off and become a
dangerous missile.
5. When installing new line on an existing
spool, hold the spool as shown.
6. Bend the line at the midpoint and insert
the bend into the slot in the center rim of
the spool. Ensure line snaps into position
in the slot.
Tab
7. With your finger between the lines, wrap
the lines evenly and firmly around the
spool in a clockwise direction.
13
Never use wire, rope,
Slot