Microlab
®
STAR Service Manual
7-24
Pipetting Arm X-Drive (continued):
Measurement system.
Gap between Reader P/N 173895
and magnetic band P/N 396011
must be at least 0.3 ± 0.2 mm.
Magnetic band is self-adhesive and
is positioned on the shoulder in the
chassis.
7.6.1 Part List
P/N Description SPC
173380 OS-HOLDER C
173864 OS PIPETTING ARM – X-INIT A
182111 REPLACEMENT X-MOTOR B
250007 BALL BEARING ID= 8 AD=16/18 B=6 A
250045 BALL BEARING ID=15 AD=35 B=11 A
257056 SPACER PINS M5x20 I/O A
258129 COG BELT 10AT5/2875 A
258130 COG BELT 10T2.5/480 A
396011 MAGN. MEASURING TAPE B
400025 CYL-SCR M4X10 DIN912 A
400026 CYL-SCR M4X12 DIN912 A
400077 CYL-SCR M6X60 DIN912 C
400262 CYL-SCR M3X6 DIN912 A2 A
400302 CYL-SCR M4X8 DIN912 A2 A
405082 SET SCR M5X5 DIN913 A
413008 LOCK DISC 7 DIN6799 A
420561 TORX SCREW M5x12 A
7.6.2 Function
• Moves Pipetting Arm in X-Direction.
• Driven by a DC Motor and controlled by a magnetic measurement system and an
optical switch.
Reader
shoulder
magnetic band
0.3 ± 0.2 mm