Specifications

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ENGLISH 12
ITEM SYMPTOM CHECK/REMEDY
1 Motor overheating • Verify that all cooling vents are not obstructed by operators hand, debris
in vents, or other. Remedy or clean as required.
• Verify blades are not rubbing against each other with excessive force,
either at cutting edge or close to blade mounts.
• Blades may be worn and overheating. Replace as required.
• Check that belt tension is not excessive.
• Check that bearings have not failed by removing plastic side cover and
belt and rotating both pulleys independently checking for roughness. The
power pulley should rotate easily and smoothly. The driven pulley should
rotate smoothly but will have a “springy” feel, wanting to stay in either of 2
positions.
• Verify that the motor housing is secure with the tool. If loose, refer to
authorised service centre immediately.
2 Noisy operation or unusual
vibration
• Blades loose -tighten blade mount bolts
• Blade failure - replace blade set
• Leaf spring failure - contact authorized service centre
• Bearing failure - contact authorized service centre.
• Gearbox failure - contact authorized service centre.
• Handle rubber mounts damaged or worn - replace.
3 Handle rubber mounts
damaged or worn
• replace
4 One or both conrods/blades
loose, even when mounting
bolts tightened
• Leaf spring failure - contact ARBORTECH authorised service centre.
5 Tool running and blades not
moving
• Loose belt or broken belt- re-tension or replace as necessary.
• Worn belt - replace belt.
7 Blades continually comming
loose
• Check the blade bolt holes. If bolt holes are elongated replace blades
8 Worn pulleys • contact ARBORTECH authorised service centre.
9 Slow cutting performance • Teeth worn, chipped or lost. Sharpen or replace blade.
• Belt slipping - see Symptom 4.
10 Blades rubbing against each
other with excessive force
• Attempting to cut material which is too hard.
11 Blades continually coming loose • Check the blade bolt holes. If bolt holes are elongated replace blades.
12 Blades rubbing together with
excessive force.
• Remove blade/s and bend slightly to correct.
13 Blade teeth chipped or lost.
·
• Occurs occasionally if hard material is encountered, or if the “back side”
of teeth are impacted.
• Care not taken in setting tool down on teeth on hard surfaces or loose in
tool box.
• Worn blades will start to become hot in certain areas, causing teeth to de-
bond - replace blades.
• Material too hard.
14 Loose top handle. • Worn or damaged rubber bushes - replace.
15 Blades “blueing”. • Worn teeth - replace blades.
• Excessive force being used.
• Insufficient “sawing” motion by the operator.
• Material too hard.
Blades rubbing together with excessive force (see section 8).