Windscreen Wiper - Skoda 105 s 1980 Workshop Manual

1 3.10-t 3.1 1
13.11 WINDSCREEN WIPER
Technicol Description
The rotory windscreen wiper consists of the
wiper motor with o geor cosing, o lever system
driving the wiper orms, ond two wiper orms
w i t h w i p e r b l o d e s .
The two-pole wiper motor with permonent
mognets is o two-speed unit with self'lubri'
coting beorings. The geor cosing comprises on
epicyclic geor ond on outomotic self-porking
device. The shoft runs in self'lubricoting beor'
ings, the geors being lubricoted with greose
pocked into the geor cosing. The lever system
(leveroge) includes self-lubricoting ioints ond
b e o r i n g s .
Windscreen wiper tyPe - for left-hond steering .
- for right-hond steering
Roted voltoge
Roted current
PAL 443.122 - 081.071
PAL 443.122 - 076.071
-12
volts
4 omperes ot high speed,
2.5 omperes ot low speed
6 0 o t h i g h s p e e d ( m i n i m u m )
2 0 ( m i n i m u m ) t o 5 0 ( m o x i m u m ) o t l o w s p e e d
1 5 c y c l e s p e r m i n u t e ( m i n i m u m )
onticlockwise - for left-hond steering
clockwise - for right-hond steering
W i p i n g c y c l e s p e r m i n u t e
Difference of cycles between speeds
Direction of rototion when viewing the output
shoft
I
i
f1
llr
fi.,
il
lr
l
Removol ond Refitting
According to the noture of the required re-
poir, remove either only the motor with the geor
cosing after hoving disconnected the pullrod
from the cronk, the cronk from the geor cosing,
ond the geor cosing from the brocket, or remove
the complete unit ofter removing the wiper orm
beorings - see wiper orm drive.
When ref itting the windscreen wiper unit,
observe the ossembly position of the wiper
cronk - see the following porogroph
"Motor ond
Geor Cosing". For position of the wiper orms
( b l o d e s ) , s e e t h e p o r o g r o p h
' W i p e r A r m s " . l n -
stoll the brocket into the body bulkheod ond
fosten it in position with the nut, using o rub-
ber ond o flot wosher.
Cleoning ond Repoirs
When disossembling the windscreen wiper
motor, do the following jobs:
1. Reploce worn brushes ond use petrol to
cleon motor ports ofter blowing the dust out of
the brushes; moke sure thot the brushes move
f r e e l y i n t h e i r c e l l s .
2. lf the commutotor is dirty, cleon it with
petrol, if it is domoged, re-turn ond polish it.
3 . D u r i n g c l e o n i n g , t h e s e l f - l u b r i c o t i n g b e o r -
ings must not come into contoct with the
c l e o n i n g ( d e g r e o s i n g ) o g e n t ( p e t r o l , e t c . ) . T h e y
s h o u l d b e l u b r i c o t e d o n l y w i t h o l o w - p o u r - p o i n t
o i l d r i p p e d i n t o t h e c u t - o u t s o f t h e c u p r e t o i n i n g
t h e b o l l b e o r i n g o n d t h e f e l t . U s e o n l y o s m u c h
o i l o s t h e f e l t c o n h o l d .
4. For the epicyclic geor in the geor cosing
use greoses specif ied in Chopter 15.3 - either
of foreign moke or of Czechoslovok moke - re-
commended specificolly for windscreen wipers.
MOTOR AND GEAR CASING
Ports of the motor with the geor cosing (or
geored motor) is the wiper brocket, the pro.
tective housing, ond the driving cronk. When
i n s t o l l i n g t h e w i p e r , p u t t h e h o u s i n g o n t h e
motor with the geor cosing ond clomp it from
below. Bolt down the brocket using ploin
woshers under the bolts. Fosten the motor
e o r t h i n g c o b l e u n d e r o n e o f t h e b o l t s .
F o s t e n t h e c r o n k i n p o s i t i o n u s i n g o n u t o n d
o s p r i n g w o s h e r w h i l e o b s e r v i n g i t s o s s e m b l y
p o s i t i o n :
o) with wipers for left-hond steering-toword
the right-hond side of the motor ond deflected
13o downword from the oxis porollel with the
centre line of the motor;
b) with wipers for right-hond steering
toword the left-hond side of the motor ond de-
f lected 17" downword from the oxis porollel with
the centre line of the motor.
Dismontling the Geor Cosing
1. Remove three screws ond lift owoy the
c o v e r .
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