← Service bulletins

Technical Information · issue 44 of 2009

New vacuum STIHL SE 122

IssueTI 44/2009

Full text

Page 1 of 8

TI 44/2009 page 1
STIH)

Technical Information                                               44.2009

  New vacuum STIHL SE 122 – Series 4774

  Contents
  1.   Main parts of the machine
  2.   Equipment
  3.   Filter cleaning
  4.   Specifications
  5.   Service notes
  6.   Spare parts

                                          The STIHL SE 122 is a new wet and dry vacuum for
                                          users, such as professional cleaners in industry and
                                          trades, municipal authorities and administration.
                                          The target groups are professional users such as
                                          tradespeople and demanding personal users. The
                                          vacuum is suitable for professional use in vehicle
                                          fleets, automotive and industrial businesses,
                                          workshops, trades and contract cleaning
                                          businesses. Uses include removal of sand, wood,
                                          metal chips, non-toxic dust, water and other non-
                                          flammable liquids.

  TI_44_2009_30_01_02.fm                                                    englisch / English
)m~ge 2                                              Technical Information 44.2009

Characteristics of the SE 122:
.   High suction capacity
.   Filter element
    Long life, high separation efficiency, water-
    resistant
.   Filter cleaning
    Extends filter service life
.   Thermal overload protection
    Protects the motor against overheating
.   Removable holder for accessories
    Accommodates nozzles and accessories
.   Suction hose with quick-action coupling
    Easily disconnects from hand tube
.   Stainless steel hand tube and stainless steel
    suction tube
.   Suction hose holder
.   Suction tube holder with 2-point attachment
.   3-point power cable holder
.   30 liter container (8 Gallons)

                                                              TI_44_2009_30_01_02.fm

Page 2 of 8

TI 44/2009 page 2
Technical Information 44.2009                                                                                 Page 3

1.       Main parts of the machine

                                  1                       2

                                                                                                        14
                                                                                       12

                                                              10                                        15
                                                      9

                         3                                             11
                                                                   8
          4                           4
                                                                                       12
                                                                                                        16
                         5                                7
                                                                                      13

                                                                                                                   649TI017 KN
                                 6

1    Suction Hose                                             9    Filter Cleaning Button
–    Directs dirt and/or liquid into the container.           –    Press to clear filter of deposited dust.
2    Hand Tube                                                10 Handle
–    For holding and guiding respective tool.                 –    For holding and carrying vacuum cleaner.
3    Switch                                                   11 Suction Hose Holder
–    To switch machine into position ON and OFF.              –    For storing suction hose.
4    Latch                                                    12 Extension Tube
–    Secures upper half of vacuum to container.               –    Directs dirt and liquids from the tool to the
5    Vacuum Intake Port                                            suction hose.
                                                              13 Floor Tool
–    Connection between container and suction
     hose.                                                    –    For cleaning smooth surfaces and carpets.
6    Caster with Brake                                        14 Extension Tube Holder
–    Locks vacuum cleaner in place.                           –    For storing extension tube.
7    Container                                                15 Crevice Tool
–    Captures and stores collected dirt and/or liquid.        –    For cleaning places that are hard to reach.
8    Holder for Tools and Accessories                         16 All-purpose Tool
–    Accommodates nozzles and accessories on                  –    Tool for numerous potential uses.
     vacuum cleaner.

TI_44_2009_30_01_02.fm
)m~ge 4                                                                           Technical Information 44.2009

2.       Equipment                                           3.      Filter cleaning
                                                             The machine is equipped with a filter cleaning
               1                                             function to extend the service life of the filter.
                                                             Filter cleaning based on the counterflow
                                                             principle

                                               649TI003 KN
             2                3

–    Crevice tool (1)
–    Upholstery tool (2)

                                                                                                                  649TI004 KN
–    Floor tool (3)
–    Suction hose with quick-action coupling
                                                             To clean the filter, seal the suction hose at the
–    Hand tube                                               sleeve opening (press the sleeve opening firmly
–    2 extension tubes                                       against the upper part of the vacuum or any hard flat
                                                             surface) while depressing the filter cleaning button
–    Tube holder                                             three times.
–    Filter element                                          Sealing the suction hose creates a vacuum in the
–    Filter bag, fleece                                      container. Simultaneous pressing of the button
                                                             permits air (atmosphere) to flow inward through the
                                                             filter element into the container.
                                                             The filter element is effectively cleaned by the
                                                             counterflow of the air.

                                                                                             TI_44_2009_30_01_02.fm

Page 3 of 8

TI 44/2009 page 3
Technical Information 44.2009                                                                      Page 5

4.      Specifications                                5.       Service notes
Power supply                120 V, 60 Hz, 8.3 A       Repairs may only be performed by qualified
Power consumption           1000 W                    electricians with due regard for safety regulations
Mains fuse                  15 A                      and the Instruction Manual.
Protection class             II E                     Always disconnect the power plug from the power
Max. intake capacity, air   113 cf/min (3200 l/min)   source when performing all repairs.
Max. vacuum                 230 mbar / 91 in H20      After repairs have been made, the proper testing
                                                      procedures for electrical devices must be followed.
Length approx.              19 in (485 mm)
                                                      5.1      Removing and installing the shroud
Width approx.               15 in (385 mm)
Height approx.              24 in (600 mm)

Suction hose
- Length                    10 ft (3 m)
- Diameter                  1.4 in (36 mm)

Container capacity          8 gal (30 l)
Weight approx.              22 lbs (10 kg)

                                                                                                            649TI006 KN
                                                      5.1.1    Removal
                                                      .     Remove upper part of vacuum
                                                      .     Remove accessory holder
                                                      .     Remove suction tube holder
                                                      .     Remove two fastening screws (grayed in,
                                                            arrows) of the handle cover
                                                      .     Remove four fastening screws (marked in black,
                                                            arrows) of the handle cover
                                                      .     Remove fastening screw from the knob. Pull off
                                                            the knob
                                                      .     Carefully remove shroud

TI_44_2009_30_01_02.fm
)m~ge 6                                                                                Technical Information 44.2009

                                                                 5.2       Removing and installing the motor
                                              1


                                                   649TI007 KN

                                                                                                                       649TI008 KN
.   Remove control panel (1)
.   Remove cooling air duct (2)
                                                                 5.2.1     Removal
The control panel and the cooling air duct are
                                                                 .     Remove shroud (see 5.1.1)
secured by the shroud.
                                                                 .     Remove screws (arrows)
                                                                 .     Remove antistatic wire at cover
                                                                 .     Remove upper part of housing
                                                                 .     Remove motor from housing
                                                                 .     Check for correct operation and replace if
                    1
                                                                       necessary
                                       1                         .     Remove rubber ring
                                                  649TI015 KN

.   Check O-ring on shroud for damage and replace
    if necessary

5.1.2    Installation
When installing the shroud, ensure that control
panel and circuit board rest correctly on the
                                                                                                                       649TI010 KN

retaining points. The connecting leads must not be
pinched (see 5.5).
.   Install remaining parts in reverse order of                  .     Check rubber rings for damage and replace if
    disassembly                                                        necessary
                                                                 .     If the motor is replaced, the set of rubber rings
                                                                       must also be replaced

                                                                                                  TI_44_2009_30_01_02.fm

Page 4 of 8

TI 44/2009 page 4
Technical Information 44.2009                                                                                    Page 7

5.2.2   Installation                                              5.3      Position of the insulating mat
.   Install rubber ring in housing

                                                                                                                        649TI014 KN
                                                    649TI009 KN
                                                                  During installation, the insulating mat must be
.   Insert motor so the carbon brushes are aligned                secured by all retaining ribs and be spread out
    with the recesses in the upper part of the                    evenly.
    housing
                                                                  5.4      Power cable
.   Install upper part of housing
                                                                  .     Remove the strain relief lug
.   Orient motor with cover so the motor fits in the
                                                                  .     Unplug the leads of the connecting cable from
    recesses (arrows). Firmly press on the upper
                                                                        the plug-in positions. Remove connecting cable
    part of the housing while insertung screws
                                                                        from the motor housing
.   Install remaining parts in reverse order of
                                                                  .     Check correct operation and replace if
    disassembly – make certain that the leads are
                                                                        necessary
    routed correctly (see 5.5)
When installing the cooling air duct, ensure that                 .     Insert connecting cable in the motor housing
leads are routed so that they cannot be pinched.                        and plug in leads in accordance with cable
                                                                        routing diagram (see 5.5) and circuit diagram
                                                                        (see 5.6)

                                                                  5.5      Cable routing
                                                                  Cable routing takes place according to the following
                                                                  illustration. Observe guides (arrows) in the housing.
                                                                  Route leads so that they are not pinched when the
                                                                  parts of the housing are reassembled.
                                                                                                                        649TI011 KN

TI_44_2009_30_01_02.fm
)m~ge 8                                                                                  Technical Information 44.2009

5.6      Circuit diagram                                              5.7    Repair times
                                                                      The specified repair times apply for trained and
                                                                      qualified personnel as well as for properly equipped
                                                                      repair shops.
                     X1
                                                                      The repair times are specified in minutes.
                                                                      The table of repair times can be added to the STIHL
                                                                      table of repair times.

                           1     3
               Q1
                           1a    3a

                            M
                     M1     1
                                                        649TI018 KN

X1 Plug connector, connecting cable
Q1 Switch
M1 Motor

Code      Type of Repair                                                                                        SE 122
 1        Replace electrical power cord. Includes electrical test.                                                 25
 2        Replace on/off switch. Includes electrical test.                                                         25
 3        Replace armature brushes. Includes electrical test.                                                      30
 4        Replace electric motor. Includes electrical test.                                                        30
 5        Replace top housing.                                                                                     20
 6        Replace debris container.                                                                                15
 7        Replace sound suppression filter.                                                                        20
16        Replace Vacuum hose, attachments.                                                                        15
40        Miscellaneous repairs and other repairs not listed.                                                      15
45        Handling allowance only-no labor                                                                         10
50        No labor                                                                                                  0

6.       Spare parts
The spare parts list for the SE 122 will be available
when it is launched on the market.
© ANDREAS STIHL AG & Co. KG, 2009                                     Technical Documentation
                                                                      D1/MTK-ni

                                                                                                    TI_44_2009_30_01_02.fm

Page 5 of 8

TI 44/2009 page 5

Page 6 of 8

TI 44/2009 page 6

Page 7 of 8

TI 44/2009 page 7

Page 8 of 8

TI 44/2009 page 8

Extracted from the manufacturer's 2012 service catalogue. Most of these PDFs embed fonts with a shifted character map, so the text above was recovered rather than copied — read it as a faithful but imperfect transcription, and treat the page image above each block as the authority where the two disagree — the figures exist only there, because they are vector drawings that text extraction cannot keep.

Report a transcription error →