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4.3.3.
Window (Figure 41)
Remove the two selttapplng screws
(item 4) which are situated inside the topcover' The window can be
lifted out of the toPcover now'
4.3.4-
Battery springs (Figure 39)
-
Remove the screening plate which is situated in the bottom
cover
- Unsolder the wires from the battery springs
- Pull the battery springs out of the battery compartment
N o t e : o n l y t h e d o u b t e b a t t e r y s p r i n g s a r e i n s t o c k . A s i n g | e o n e c a n b e o b t a i n e d b y c u t t i n g t h e d o u b l e o n e i n
two pteces.
4.3.5.
Display unit N2 (Figure 40)
- U n s o l d e r t h e w i r i n g f r o m t h e d i s p l a y u n i t
Note: ln stock a 29 pole wiring strip is available'
R e m o v e t h e n u t s a n d s c r e w s ( i t e m 4 ) J r o m t h e d i s p l a Y u n i t
T h e d i s p l a v p . c . b o a r d c a n b e l i f t e d t r o m t h e b o t t o m p c b o a r d
N o t e : W h e n c o m p o n e n t s h a v " t o b e u n s o | c | e r e d f r o m t h e d i s p t a y u n i t t h e n i t i s n o t n e c c e s s a r y t o U n s o | o e r
the wiring
4.3.6.
Shunt R 602 (Figure 40, item 5)
- U n s o l d e r t h e i n p u t s o c k e t 1 0 A ( X 1 ) a n d O { X 3 ) f r o m t h e b o t t o m p . c . b o a r d t o g e t h e r w i t h t h e s h u n t
'- Unsolder the shunt from the socket and replace it by a new shunt
- S o l d e r t h e s o c k e t s o n t h e p . c b o a r d a g a r n '
4.3.7.
10A switch 57 (Figure 43, item 1)
-
F r o m t h e r e a r o t t h e b o t t o m p c b o a r d t h e c o n t a c l s o r i n g o t t h e 1 O A s w i t c h
c a n b e ' e m o v e d
T h e l o A s w . t c h I s s | t u a t e d i n s i d e t h e l o A s o c k e t . T h e l 0 A s w i t c h c o n s i s t s o t a c o n t a c t s p r i n g a n d
a switch block.
- When the contact sprinq is removed the switch block in the l0A socket can also be removed
Note: - When mou ntlng a new switch ' take care that the con tact spring switches
pf ope y
- when a banana plug is inserted in the 10 socket the contact of the switch are opend
T e s t : S w i t c h o n t h e 1 0 A r a n g e . T h e d i s p l a y s h o u l d b e 0 0 0 0 '
I n s e r t a b a n a n a p l u g i n t h e 1 0 4 s o c k e t .
T h e d e c i m a l p o i n t s h o u l d s w i t c h t o t h e 1 O A p o s i t i o n ; d i s p l a y 0 0 0 0 '
C O R R E C T
Fis. 42.
INCORRECT
I N C O R R E C T
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