Schmidt AS 990 - Maintenance notes:

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 145
NOTE
Loosening or bursting of lubrication lines
► Lubrication pressure: maximum of 150 bar
Grease gun can generate a pressure of 420 bar
► Use grease gun with pressure display
NOTE
If the maintenance intervals are not adhered to,
a full service is to be carried out after each
sweeping season.
TIP
A functional test must always be carried out
after maintenance and repair work
21.1 Maintenance notes:
Work must be carried out at the specified intervals in
order to maintain functionality and operating safety.
Routine and thorough cleaning contribute to a long
life of the machine.

All safety and hazard instructions must be
observed and retained in full and in a legible
condition. The prescribed maintenance intervals
must be observed. Any alterations, additions or
modifications that may affect the vehicle's safety
must first be approved by Aebi Schmidt. This also
applies to settings for safety devices and welding
of load-bearing parts or to modifications to the
hydraulic or electronic systems. Replacement
parts must comply with the technical
specifications prescribed by the manufacturer.
Only genuine spare parts are guaranteed to
meet these specifications.
All hydraulic lines that are to be opened must
be depressurised before repair work is started.
Check the condition of the hydraulic hoses
regularly and replace hoses if necessary.
Renew hydraulic hoses every 6 years. The date
of manufacture is marked on the hydraulic hoses.