Maintenance Schedule; Air Filter Maintenance - GMC 30CC Manual

Maintenance Schedule

Work to be carried
Description
out
Inspection
Air filter
Cleaning
Spark plug Cleaning & adjusting
Combustion chamber Cleaning
Fuel lines Inspection & cleaning
Check, tighten &
Fittings & fasteners
replace if necessary
Accessories
• A range of accessories and consumables, including Strimmer Line Seven Star, Heavy Duty
Strimmer Line, and a 4-Point Harness, is available from your GMC stockist. Spare parts can be
obtained from toolsparesonline.com
Maintenance
WARNING: ALWAYS wear adequate personal protective equipment, including eye protection and
oil/fuel-resistant gloves, when carrying out maintenance on this strimmer. ALWAYS ensure proper
ventilation.
WARNING: Work away from naked flames, DO NOT smoke, and ensure petrol fumes or spilled fuel
cannot reach potential ignition sources.
WARNING: If fuel or oil is removed during maintenance, fill into suitable sealed containers and
dispose of according to laws and regulations.
WARNING: ALWAYS switch the engine off and wait until all components have completely cooled,
before cleaning or carrying out any maintenance
Note: The maintenance schedule should be adjusted according to use and environment. If the tool
is used frequently, and/or if it is used in harsher environments, shorter maintenance intervals are
required.
Cutting line installation
Removing the spool assembly:
1. Ensure the engine is off and Ignition Switch (8) is in the STOP position
2. Hold the Cutting Head Assembly (25)
3. Twist the Cutting Head Securing Knob (28) and remove the Cutting Head Assembly (Image H)
Replacing the cutting line:
1. With the Cutting Head Assembly disassembled, remove any remaining Cutting Line (27) from
the Line Reel
2. Cut a 6m length of 2mm Cutting Line
3. Insert the middle of the Cutting Line into the slit located in the centre of the Line Reel (26)
(Image I)
4. Wrap the Cutting Line halves around the two Line Reel partitions in the direction indicated on
the top of the Line Reel (Image J)
After 1 month/first 20
Before each use
hours
X
X
11
Every 3 months/50 Every 6 months
hours /100 hours
Installing the spool:
1. Thread the loose ends of the Cutting Line through the holes in the Cutting Head Assembly (25)
2. Reinstall the Line Reel into the Cutting Head Assembly
3. Reattach the Cutting Head Assembly to the Lower Drive Shaft (2) and secure in place using the
Cutting Head Securing Knob (28)
Note: Ensure the hexagonal recess on the Cutting Head Assembly is fully located on the hexagonal
section of the Lower Drive Shaft
4. After changing the Cutting Line, run the strimmer under no load for at least a minute to make
sure that the line and the tool are both operating correctly
Note: Only use Cutting Line spool that has been recommended by the manufacturer (see
'Accessories')
Spark plug maintenance
1. To gain access to the spark plug, first remove the Ignition Lead (19), located on top of the motor
unit (Image K)
2. Remove the Spark Plug, using the provided Spark Plug Tool, (Image L)
3. Install the new Spark Plug by hand, then tighten the final ¼ turn using the provided Spark Plug
Tool

Air filter maintenance

Note: Accumulated dust in the air filter will reduce engine efficiency, increase fuel consumption and
allow abrasive particles to pass into the engine. Remove the air filter and clear regularly.
1. Remove the Air Box Cover (17), by unscrewing the Phillips head screw located on the front
(Image M), and lifting the cover off by pinching the sides
2. Tap the filter to remove light surface dust
3. Wash out heavy deposits in a suitable solvent
4. Once dry, replace the filter and the Air Box Cover, and fasten using the Phillips head screw
Fuel filter maintenance
• The Fuel Tank (21) is fitted with a filter situated at the end of the fuel pipe. This can be picked
out for inspection through the opening behind the Fuel Cap (22), with a piece of hooked wire
or similar
Every 12months/
300 hours
X
X
(Authorised GMC
service centre only)
X
X
GB