Carbon Brushes - Leister GHIBLI AW Repair Instructions

Leister Technologies AG

11.3 Carbon brushes

Remove carbon brushes, measure its length and replace them if their length measures 4mm
or even less. Check both carbon brushes! If the carbon brushes are to be replaced reset tim-
er "Service recommended" in the service menu (see chapter 6.5). If the carbon brushes are
not to be replaced make sure to re-insert the same way (same carbon brush holder, same
fitting position) due to abrasion.
Repair instructions
Ghibli AW
Revision: B
Open tool according to chapter 8.1
Carefully bend up the flap of the brush
holder and remove carbon brush
Caution, spring is compressed!
Notice fitting position for re-inserting
Measure length of carbon brushes; replace
carbon brushes if their length is 4mm or
even less
Check contact surface for scorch marks
(if a "carbon brush jam" is detected replace
carbon brushes as well as carbon brush
holders)
Check both carbon brushes!
Insert replacement or re-insert checked
carbon brushes (in same fitting positions)
and close the brush holders by carefully
bending the flaps
If carbon brushes were replaced, reset tim-
er "Service recommended" in the service
menu (chapter 6.5)
Function check according to chapter 11.2
QM INN_FO_29
Page 37 / 48
Created 13.04.15 PRI
Released 20.04.15 PRI
Modified 02.07.18 PRI
Calliper gauge/scale