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INT  ELECTRONIC  DOCUMENTATION

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INT TECHNICAL MANUAL INDEX        GRUBB PARSONS DRAWING INDEX

GENERAL INFORMATION    SERVO SYSTEM ADJUSTMENTS
 

TELESCOPE ASSEMBLIES	DRIVE SYSTEM
Top end ring	Overview
Secondary mirror	Engineering mode     Quick motion  Slow motion
Tube	Computer mode         Position loop    Velocity loop
Centre box section	Position encoders      Ferranti  Heidenhain   Baldwin
Primary mirror cell	Encoder problems
Primary mirror covers	Zeroset module
Mirror Support  Pads  Axial  Radial  Servo	Alarms & Interlocks
Cass. turntable	Clamp Logic
Cass. cable wrap	Servo pre-amplifiers
Polar disc	Servo power amplifiers    Changing a power amplifier
Hydraulic system	Cass. turntable drive
Counterweights	Focus control
Cable runs	Focus position   Abs. transducer  Incr. transducer
-	Focus/temp tracking

INT INSTRUMENTS
 

CASS A&G BOX

IDS

PFCU  and  WFC

DETECTORS