0639-990-21---30j_2010.07.indd
SLA
F
max.
 = 40 N
0639-990/22j
Page 43 of 46
Operating instructions
 
Attention:
First check if all the settings have been made according to the instructions. 
Makesurethatallthemovingelementsaredirt-free(thisinuencesthe
static friction).
Settings:
• Prestresstootheddrivingbelt
• ParallelityofGEMOandULEwithregardtothecarrierprole
• Mountingofthecounter-pressureroller
• Adjustmentsofthewings
Check the cleanliness:
• Rollers
• Carrierprole
• Floorguideway
Measuring the static friction (without rubber cable):
Move the wings to the open or half-open position. Using a spring balance, push them 
slowly and continuously towards the CLOSED position until the wings start moving. The 
maximumappliedforcecorrespondstothestaticfriction.The static friction must not 
exceed40N.
Spring balance