Nilfisk-ALTO NEPTUNE 4 FA Service Manual page 2

Preface
This service manual contains detailed description of the main repair work on the hot HPW
NEPTUNE 4 FA.
Repair work requires a suitable testing workplace with the necessary water and power sup-
ply.
If operating errors are evident, refer the customer to the operating instructions.
A fault in the cleaner can have several causes as described in the section on troubleshooting.
Refer to the illustrated spare parts lists during repairs. They show the assembly position and
the sequence in which the individual components should be assembled.
See "Technical Service Bulletin" (TSB) sheets—
Previously called "Service Technical Information" (STI). They include information on technical
modifications that have been made after this repair manual was printed.
"Technical Service Bulletin" sheets are also valid as a supplement to the spare parts list until
publication of a new edition.
Repair manuals and "Technical Service Bulletin" sheets should be available at the site where
repairs are carried out.
It is not permitted to give them to third parties.
Use original Nilfisk-ALTO spare parts only.
2
NEPTUNE FA_EN_Ver.2.0_ 22/11