hillvert HT-WP-43A Manual De Instrucciones página 27

The machine should always be turned off when refueling. Be careful not to spill fuel
on a hot engine!
3.2.4 INITIAL PRIMING OF THE PUMP
The pump of the device is cooled and lubricated with water flowing through it. To
prevent the pump from running dry (which can overheat and damage the seals), the
pump should be primed. After all hoses are connected, before starting the machine,
unscrew the priming plug of the pump and fill it with water through its opening.
Screw the cap tightly.
3.3.
Working with the device
3.3.1 STARTING, RUNNING AND SHUTDOWN
a) [Only when the engine is cold] Activate the choke by setting the
choke lever upwards.