Operation
CONNECTION TO HYDRAULIC POWER SOURCES -
CHECK HYDRAULIC POWER SOURCE
Using a calibrated flow meter and pressure gauge,
make sure the hydraulic power source develops flow
and pressure that is appropriate for the ring saw.
Make certain that the power source is equipped with
a relief valve set to open at 250 bar maximum.
Make sure the ring saw is connected correctly to the
powerpack and that hoses are not leaking from
rubber or couplings.
CONNECTING HYDRAULIC HOSES
Wipe all hose couplers with a clean lint free cloth
before making connections. Do not connect pressure
to the return port.
Connect the hoses from the hydraulic power source
to the couplers on the ring saw hoses. It is a good
practice to connect return hose first and disconnect it
last to minimize or avoid trapped pressure within the
hydraulic motor.
Make sure the hydraulic hoses are connected
properly and fully seated to ensure that the flow is in
the proper direction.
Note: If uncoupled hoses are left in the sun, pressure
increase inside the hoses might make them difficult to
connect. Whenever possible, connect the free ends of the
hoses together when not in use.
General working Instructions
WARNING
Observe all safety precautions.
Never use the machine if you are tired, if you have
drunk alcohol, or if you are taking medication that
could affect your vision, your judgment or your co-
ordination.
Look around to ensure that no obstacles can affect
your control of the ring saw.
Do not use the machine in bad weather, such as
dense fog, rain, strong wind, intense cold, etc.
Working in bad weather is tiring and can lead to
dangerous conditions, e.g. slippery surfaces.
Never start to work before the working area is clear
and you have a firm foothold. Look out for any
obstacles with unexpected movement. Ensure when
cutting that no material can become loose and fall,
causing operating injury. Take great care when
working on sloping ground.
Be aware that your clothes or limbs may not have
contact to the moving parts on the ring saw or
power.
Always keep a safe distance to the moving parts.
The guard protection of the spinning blade must
ALWAYS be in good condition and ALWAYS
mounted correctly.
Always have enough illumination for a secure
working environment.
Always ensure you are in balance and having a
good foothold when operating the ring saw.
ALWAYS check for hidden gas pipes or electrical
cables in the material you cut!
Cold Weather Operation
If the ring saw is to be used during cold weather, preheat the
hydraulic fluid at low power source speed. When using the
normally recommended fluids, fluid should be at or above
freezing level 32°F/0° C before use. Damage to the hydraulic
system or hydraulic motor seals can result from use with fluids
that is too viscous or thick. See page 8.
Note: Remember to empty the saw from water after cutting
in freezing conditions to avoid damage.
Water Supply
Only use with water. Make sure water supply is sufficient.
Abrasive material and too little water when cutting increases
wear on the drive wheel and the inner edge of the blade and
may cause the blade to slip.
Note: The recommended minimum water supply is 4
l.p.m./2 bar.
Equipment Protection and Care
Make sure all couplers are wiped clean before
connection.
The hydraulic circuit control valve must be in the
“OFF” position when coupling or uncoupling the ring
saw. Failure to do so may result in damage to the
quick couplers and cause overheating of the
hydraulic system.
Make sure the circuit PRESSURE hose (with male
quick disconnect) is connected to the “P” port. The
circuit RETURN hose (with female quick disconnect)
is connected to the opposite port. Do not reverse
circuit flow. This can cause damage to internal seals.
Always replace hoses, couplings and other parts
with replacement parts recommended by HYCON.
Hoses must have a minimum working pressure
rating of 250 bar.
Do not exceed the rated flow or pressure (refer to
Technical Details in this manual for correct flow rate
and pressure). If specifications are exceeded, rapid
failure of the internal seals may result.
Always keep critical labels and markings, such as
warning stickers and tags legible.
Ring saw repair should be performed by
experienced personnel only.
Make certain that the recommended relief valves are
installed in the pressure side of the system
