Nilfisk-ALTO E130.1 Instruction Manual page 12

EN
7.3 Cleaning of machine
vents
7.4 Greasing of couplings
12
The machine should be kept
clean so as to let cooling air
pass freely through the ma-
chine vents.
To ensure an easy connec-
tion and that o-rings do not dry
up, the couplings should be
greased regularly.