Schmidt AS 990 - Welding work

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 168
22.12 Welding work
NOTE
Welding work carried out on the machine can
irreparably damage
the electrical system and electronics.
NOTE
24 Volts
Damage to the electronics
► Never remove the connecting cables while
the vehicle/auxiliary engine is running
► Do not conduct voltage peaks to the vehicle
electronics through quick chargers
Non-deletable error in the memory of the engine
control device.
► After turning off the vehicle/auxiliary engine
and ignition, wait a minimum of 3 minutes
before disconnecting the connecting cable.

Before welding work:
o Disconnect the battery (first the (–) terminal,
then the (+) terminal).
o Disconnect all electronic plug connections
from the control units.
 Clamp the welder's earthing clamp as close to
the welding area as possible.
After the welding work is complete, reconnect all
plug-in connectors (pay attention to markings).
Close up the housing and attach the battery: first (+)
pole, then the (–) pole.