Kjellberg SmartFocus 300 Short Instruction Manual page 13

Short instruction manual Smart Focus 300 with FC-300
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1.5 Filling up the coolant
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The coolant circuit is to be filled with "Kjellfrost -15 °C" (frost-resistant up to -15 °C) or "Kjellfrost -25 °C"
(frost-resistant up to -25 °C). In addition to frost protection, these coolants with specially developed corrosion
protection are also used for increasing the lifetime of the pump and seals as well as for increasing the
service life of the coolant channels of the plasma torch. Therefore, please use exclusively the coolant
„Kjellfrost"! The use of simple, standard antifreeze may cause the failure of the plasma system within a very
short time.
The volume of the coolant tank amounts to approx. 17 l. The filler neck (2) is at the rear panel of the power
source.
Please connect the plasma torch and fill in the coolant until it reaches the upper mark (max) of the filling level
indicator (1) before switching on the plasma system.
Warning: If the maximum filling quantity is exceeded, the coolant will exit the tank through the overflow and
run on the floor.
Switch on the plasma system and watch the filling level indicator.
After the pump has vented the coolant hoses and the plasma torch and the coolant level does not go down
any further, please refill „Kjellfrost" up to the upper mark.
Changing the consumables and the plasma torch causes losses of the coolant. Therefore it is necessary to
control the coolant level regularly and to refill the coolant before it reaches the lower mark (min) of the filling
level indicator.
Regardless of the service life of the plasma system, the coolant has to be changed completely at least every
12 months.
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