Wahl 1886 User manual

Service manual –Type 1886
1886-4100-00 · 02 Feb 2017 Page 1 of 39
Service manual
Valid for Type 1886

Target group
1886-4100-00 · 02 Feb 2017 Page 2 of 39
Target group
This service manual is aimed solely at qualified staff of Wahl Group service centres
and at qualified staff of independent customer service centres who have been
authorised to perform such service activities by the Wahl Group. Such qualified staff
must be capable of recognising the risks involved in handling products from Wahl
GmbH and preventing potential hazards as a result of their training and (work)
experience.
Any unauthorised use of this service manual, especially by non-qualified personnel,
third-party companies or end customers, is not permitted.

Purpose of the service manual
1886-4100-00 · 02 Feb 2017 Page 3 of 39
Purpose of the service manual
The service manual is intended as a guide to the disassembly, assembly, repair and
service of worn, damaged, faulty or defective appliances from Wahl GmbH that are
subject to maintenance. The service manual enables the relevant target group to
carry out such service activities without danger and in a proper manner.

Confidentiality
1886-4100-00 · 02 Feb 2017 Page 4 of 39
Confidentiality
This service manual contains confidential internal information and know-how
possessed by Wahl GmbH. The service manual and the information it contains may
only be passed on to third parties with the approval of Wahl GmbH. The production
of copies of the service manual by authorised service partners for internal, intended
use is permitted.

Exclusion of liability
1886-4100-00 · 02 Feb 2017 Page 5 of 39
Exclusion of liability
Although care has been taken in the preparation of the service manual, errors in the
contents cannot be excluded and no complete guarantee can be given in this
respect. Should there be any ambiguities in the service manual or if it is incomplete,
please consult Wahl GmbH (contact data is provided in the legal notice). The details
in this service manual are checked and updated regularly.

General safety instructions
1886-4100-00 · 02 Feb 2017 Page 6 of 39
General safety instructions
The contents of the service manual and the instructions it contains are for
the personal safety of the repair engineers and for the prevention of
damage to the appliances described. In the event of non-compliance with
the service manual, especially with the warning instructions it contains,
serious physical injury or material damage can occur.

General safety instructions
1886-4100-00 · 02 Feb 2017 Page 7 of 39
Repair engineer requirements
Repairs to the appliance must only be carried out by a trained electrician in
accordance with the electrical engineering regulations.
Prior to repair, read through the entire service manual.
In addition to this service manual, heed the operating instructions of the
appliance (source of supply: Distributor Login on the homepage of Wahl GmbH:
http://distributor.wahlgmbh.com/retailer/login/).
If there are any ambiguities, please consult Wahl GmbH:
Wahl GmbH Tel.: [phone]
Roggenbachweg 9 Fax: [phone]
78089 Unterkirnach Email: [email protected]
Germany Internet: www.wahlgmbh.com
This service manual relates to appliance type 1886. Due to modifications to the
product carried out by the manufacturer, other types may now be in circulation
for which amended disassembly or assembly work must be carried out.
Prior to disassembly or assembly, make sure that your service manual is the
latest version and is based on the correct appliance type.
Appropriate service manuals are published in the Distributor Login on the
homepage of Wahl GmbH at http://distributor.wahlgmbh.com/retailer/login/
To identify the appliance type, see chapter 1 - Identification of appliance type.

General safety instructions
1886-4100-00 · 02 Feb 2017 Page 8 of 39
Hazards
Please adhere to the following safety instructions.
Danger: Disconnect the mains supply from the appliance for disassembly or
assembly.
Danger: If media has escaped from the battery, repair may not be carried out for
reasons of self-protection.
After contact with escaped media:
Eyes: Rinse with water for at least 15 minutes.
In the event of persistent irritations, contact a doctor.
Skin: Wash off with plenty of water and soap; dispose of soiled clothing.
In the event of persistent irritations, contact a doctor.
Respiration: Go out into the fresh air.
In the case of persistent breathing difficulties, contact a doctor.
If respiration fails, contact a doctor IMMEDIATELY and perform
artificial respiration.
Danger: Do not dismantle assemblies and individual parts further than described in
this service manual. Never open plug-in transformers and battery cells, in
particular.
Danger: Only install original spare parts according to the spare parts list valid at
the time of the repair (source of supply: see below).
Danger: Do not make modifications to spare parts and assemblies.
Caution: For assembly and disassembly –especially in the case of contact with
electronic components –wear an ESD wrist band.

General safety instructions
1886-4100-00 · 02 Feb 2017 Page 9 of 39
Source of supply for spare parts/operating manual
Use our Distributor Login (http://distributor.wahlgmbh.com/retailer/login/)
or contact your sales representative.

Table of contents
1886-4100-00 · 02 Feb 2017 Page 10 of 39
Table of contents
Target group................................................................................................................................. 2
Purpose of the service manual ....................................................................................................... 3
Confidentiality ............................................................................................................................... 4
Exclusion of liability ....................................................................................................................... 5
General safety instructions............................................................................................................. 6
Table of contents .........................................................................................................................10
1Identification of appliance type .............................................................................................11
2Required tooling...................................................................................................................13
3Disassembly of the hand-held appliance ................................................................................14
Removing the blade set....................................................................................................15Step 1:
Disassembling the lower housing.......................................................................................16Step 2:
Removing the plug socket ................................................................................................18
Step 3:
Removing the drive..........................................................................................................19Step 4:
Removing the holding plate ..............................................................................................20Step 5:
Disassembling the switch unit ...........................................................................................21Step 6:
Removing the light guide..................................................................................................22Step 7:
4Assembly of the hand-held appliance.....................................................................................23
Assembling the light guide................................................................................................23Step 1:
Assembling the switch unit ...............................................................................................24Step 2:
Fitting the holding plate ...................................................................................................25Step 3:
Inserting the drive ...........................................................................................................26Step 4:
Inserting the plug socket ..................................................................................................27Step 5:
Assembling the lower housing...........................................................................................28Step 6:
Folding back the blade set ................................................................................................29Step 7:
5Assembly/disassembly of the drive unit..................................................................................30
Remove the battery from the circuit board .........................................................................31Step 1:
Attaching the battery to a used circuit board ......................................................................33Step 2:
Soldering the circuit board to the motor.............................................................................36Step 3:
Glueing on the battery insert ............................................................................................37Step 4:
6Exploded drawing.................................................................................................................38
7Imprint ................................................................................................................................39

Identification of appliance type
1886-4100-00 · 02 Feb 2017 Page 11 of 39
1Identification of appliance type
This service manual relates to appliance type 1886. Due to modifications made by
the manufacturer to the product, appliance variants may be in circulation in the
meantime for which a modified disassembly or assembly must be carried out.
Prior to disassembly or assembly, make sure that your service manual is based on
the correct appliance variant type. Corresponding service manuals are published in
the Distributor Login on the homepage of Wahl GmbH:
http://distributor.wahlgmbh.com/retailer/login/
The appliance type and variant are noted on the title block underneath the appliance
(see Fig. 1 and Fig. 2). If the appliance type cannot be determined with certainty,
consult Wahl GmbH prior to the repair. The contact data are provided in the imprint.
Fig. 1

Identification of appliance type
1886-4100-00 · 02 Feb 2017 Page 12 of 39
Fig. 2
Serial number
Appliance type/variant
1886 = origin variant
1886 XY = variant (non-existent to date)
Production date
t=day, m=month, y=year
Example: 01032016 = 01 March 2016

Required tooling
1886-4100-00 · 02 Feb 2017 Page 13 of 39
2Required tooling
The following tooling is required for the disassembly or assembly of the appliance:
Screwdriver: Torx 7

Disassembly of the hand-held appliance
1886-4100-00 · 02 Feb 2017 Page 14 of 39
3Disassembly of the hand-held appliance
Danger: The appliance must be disconnected from the mains supply during
disassembly or assembly!
Danger: If media have escaped from the battery, repair must not be carried out for
self-protection reasons.
After contact with escaped media:
Eyes: Rinse with water for at least 15 minutes.
With persisting irritations: Contact a doctor.
Skin: Wash off with plenty of water and soap, dispose of soiled clothing.
With persisting irritations: Contact a doctor.
Respiration: Go out into the fresh air.
With persisting breathing difficulties: Contact a doctor.
Should respiration fail: Contact a doctor IMMEDIATELY and
perform artificial respiration.
Danger: Units and individual parts must not be dismantled further as described in
this service manual. Plug-in transformers and battery cells, in particular,
must never be opened.
Caution: For assembly and disassembly –especially with contact with electronic
components –an ESD wrist band must be worn!

Disassembly of the hand-held appliance - Step 1: Removing the blade set
1886-4100-00 · 02 Feb 2017 Page 15 of 39
Removing the blade setStep 1:
Hold the appliance in one hand (standard use position).a)
Fold down the blade set at one corner with the thumb
(Fig. 3 and Fig. 4).
Fig. 3 Fig. 4

Disassembly of the hand-held appliance
1886-4100-00 · 02 Feb 2017 Page 16 of 39
Disassembling the lower housingStep 2:
Undo the three marked screws. Use a Torx 7 screwdriver for this (Fig. 5).a)
Fig. 5

Disassembly of the hand-held appliance
1886-4100-00 · 02 Feb 2017 Page 17 of 39
Pull the lower housing downwards from the upper housing (Fig. 6).b)
Danger: If media have escaped from the battery, repair must not be
carried out for self-protection reasons. Actions after contact with
escaped media:
See "General safety instructions".
Fig. 6

Disassembly of the hand-held appliance
1886-4100-00 · 02 Feb 2017 Page 18 of 39
Removing the plug socketStep 3:
Remove the plug socket. (Fig. 7).a)
Fig. 7

Disassembly of the hand-held appliance
1886-4100-00 · 02 Feb 2017 Page 19 of 39
Removing the driveStep 4:
Remove the drive unit (Fig. 8).a)
Fig. 8

Disassembly of the hand-held appliance
1886-4100-00 · 02 Feb 2017 Page 20 of 39
Removing the holding plateStep 5:
Detach the holding plate from the clamping of the housing by carefullya)
moving it back and forth at the two outer legs of the spring.
Then remove the holding plate from the housing (Fig. 9).
Fig. 9