Nilfisk-ALTO AERO 21-01 PC INOX User manual

SERVICE MANUAL
Models: AERO 21-01 PC, AERO 26-01 PC, AERO 21-01 PC INOX, AERO 26-21 PC,
AERO 21-21 PC, AERO 26-2L PC, AERO 21-21 PC INOX, AERO 31-21 PC INOX
AERO
ENGLISH

AERO service manual EN v1.0 2/24
Contents
Frontpage…………………………………………………………………………………..……………... 1
Contents…………………………………………………………………………………….……………... 2
A. Preface……..………………..……………………………………………………...………………......3
B. Technical specifications………………………………………………………………...…………...4
Model: 21-01………………………………………………………………………………………. 4
Model: 21-21………………………………………………………………………………………. 5
Model: 26-01………………………………………………………………………………………. 6
Model: 26-21………………………………………………………………………………………. 7
Model: 26-2L………………………………………………………………………………………. 8
Model: 31-21………………………………………………………………………………………. 9
C. Construction…………………………………………………………………………………….…….. 10
Overview of different motor heads……………………………………………………………… 10
Overview of different containers………………………………………………………………… 11
D. Service……………………………………………………………………………………….….……… 12
1. Motor head………………………………………………………………………………………12
1.1 Overview of the motor head………………………………………………………... 12
1.2 Disassembling/assembling of the cover…………………………………………... 12
2. Air guide plate………………………………………………………………………………….. 14
2.1 Overview and disassembly/assembly of the air guide plate……………………..14
3. Bottom plate……………………………………………………………………………………. 17
3.1 Overview and disassembly/assembly of the bottom plate……………………….17
4. Filter plate………………………………………………………………………………………. 18
4.1 Overview and disassembly/assembly of the filter plate…………………………. 18
5. Container……………………………………………………………………………………….. 20
5.1 Overview and disassembly/assembly of the container………………………….. 20
E. Tools…………………………………………………………………………………...…………...…... 21
F. Wiring………………………………………………………………………………...………...………..21
Model: 01…………………………………………………………………………………………...22
Model: NEO 2L……………………………………………………………………………………. 23
Model: NEO 21……………………………………………………………………………………. 24

AERO service manual EN v1.0 3/24
Preface / Safety instructions A
Preface
This repair manual contains a detailed description of the main repair work for wet and dry cleaners of
the Nilfisk-ALTO AERO Series.
 Repair work requires a suitable testing workplace with the necessary power supply.
 If operating errors are evident, refer the customer to the operating instructions.
 A fault in the equipment can have a number of causes. Chapter “C” Troubleshooting will help you here.
 Refer to the illustrated spare parts lists during repairs. They show the assembly position and the se-
quence in which the individual components should be assembled.
 Always observe “Technical Service Bulletin” (TSB) sheets! They contain information on technical modifi-
cations made after publication of this repair manual.
TSB sheets are also valid as a supplement to the spare part list until publication of a new edition!
Repair manuals and technical information 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!
Safety Instructions
For your own safety!
Before using the cleaner, always read the
operating instructions and keep them
readily available.
Only allow the vacuum cleaner to be used
by persons who have been trained in its
use and who have been explicitly
authorized to use it.
Repairs should only be made by someone who has
received proper instructions for the job or who is a
qualified electrician.
After the repair or modification an electrical
examination is to be performed according to
EN 62638
Observe national safety directives and regulations for the
electrical engineering trade, in particular:
IEC 60335-2-69
EN 60335-2-69
DIN VDE 105 Part 1:
Operation of power Installation.
EN 62638:
Repairing, modifying and testing electrical installations.

AERO service manual EN v1.0 4/24
Technical data B
Model: 21-01

AERO service manual EN v1.0 5/24
Technical data B
Model: 21-21