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REPLACING THE SPARK PLUG
Use a Champion RDJ8J or a
replacement part #753-06193
spark plug (or equivalent). Remove
the plug after every 25 hours of
operation and check its condition.
1. Stop the engine and allow it
to cool. Grasp the plug boot
firmly and pull it from the
spark plug.
2. Clean around the spark plug.
Remove the spark plug from
the cylinder head by turning
a 5/8-inch socket counterclockwise.
0.025 in.
(0.635 ram)
t
Fig. 28
m
_L_ ARNING: Do not sand blast, scrape or clean spark plug
electrodes. Grit in the engine could damage the cylinder.
3. Replace a cracked, fouled or dirty spark plug. Set the air gap at 0.025
in. (0.635 rnrn} using a feeler gauge (Fig. 28).
4. Install a correctly-gapped spark plug in the cylinder head. Tighten by
turning the 5/8-inch socket clockwise until snug. If using a torque
wrench, torque to:
110-120 in.oib. (12.3=13.5 Nora}. Do not over=tighten.
5. Reattach the plug boot.
TRANSPORTING
• Allow the engine to cool before transporting.
• Drain fuel from unit.
• Tighten fuel cap before transporting.
• Secure the unit while transporting.
CLEANING
PLUG=IN POWER START AND POWER BIT START FEATURES
This unit can be started with an optional Plug-In Power Start or Power Bit
Start (items sold separately). If choosing to start the unit using one of these
features or have questions, please contact your local Craftsman retailer or
call 1-800-4=MY-HOME® for more information and purchasing. You may
also go to www.craftsman.com.
Power Start Feature
item No. Description
316.85951 ..................................... Plug-In Power Start
316.85952 ........................................ Power Bit Start
m i_L_ ARNING: To avoid serious personal injury, always turn the unit off
and allow it to cool before cleaning or maintaining it.
Use a small brush to clean off the outside of the unit. Do not use strong
detergents. Household cleaners that contain aromatic oils such as pine and
lemon, and solvents such as kerosene, can damage plastic housing or handle.
Wipe off any moisture with a soft cloth.
STORAGE
• Never store a fueled unit where fumes may reach an open flame or spark.
Allow the engine to cool before storing.
• Store the unit locked up to prevent unauthorized use or damage.
• Store the unit in a dry, well-ventilated area.
• Store the unit out of the reach of children.
LONG TERM STORAGE
If planning on storing the unit for an extended time, use the following storage
procedure:
1. Carefully drain the fuel tank by running the unit dry or remove fuel cap
and tip the motor housing over and drain oil/gas fuel into a container
with the same 2-cycle fuel mixture. Do not use fuel that has been stored
for more than 60 days.
2. Start the engine and allow it to run until it stalls. This ensures that all
fuel has been drained from the carburetor.
3. Allow the engine to cool. Remove the spark plug and put 1 oz. (30 ml)
of any high quality motor oil or 2-cycle oil into the cylinder. Pull the
starter rope slowly to distribute the oil. Reinstall the spark plug.
NOTE: Remove the spark plug and drain all of the oil from the cylinder before
attempting to start the trimmer after storage.
4. Thoroughly clean the unit and inspect it for any loose or damaged
parts. Repair or replace damaged parts and tighten loose screws, nuts
or bolts. The unit is ready for storage.
10
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