HLF Italian Design 1700, Service Manual

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Cooling down OPERATIONS ON THE HYDRAULIC CIRCUIT
10 Operations on the hydraulic circuit
All the operations described in this chapter needs to put the machine into safety
conditions, to avoid any damage to the component and to the operator.
10.1 Cooling down
The machine MUST BE COLD. If not, the operator must do the following operations first.
•
Turn ON the option “HEATING CONTROL” inside the “Technician menu”
(see paragraph 5.3.6.2 on the User Manual );
•
Switch OFF the machine and unplug the power cord;
•
Disconnect the heating element connectors from the top of the boiler.
•
Put back the power cord and switch ON the machine;
•
Run a “Whipper Cleaning” (it’s called “Daily Cleaning” on non-fresh milk
machines) to cool down the
water boiler ;
•
Switch OFF the machine and remove the power cord.
After the above steps, carefully unscrew the boiler temperature probe with a key, in
order to release any remaining pressure. Surround the boiler lid surface (around the
probe) with a piece of paper before unscrewing the probe, in order to collect any water
that would come out.
Secure the probe back again before to take out the boiler.
S.M. HLF 1700 G1-F Eng V1-2017 10-1 HLF Italian Design