VT6L  Maintenance  7. Covers 
 
VT series Maintenance Manual    Rev.2  35 
Arm #1 Cover 
Removal 
, Cleanroom model: 
Unscrew the mounting bolts, and then lift the Arm #1 Cover. 
 
 model: 
Unscrew the mounting bolts, and then lift the 
Arm #1 Cover and Arm #1 gasket together. 
 
careful of wires and tubes when removing the cover. 
If the Arm #2 interferes with 
the tools when unscrewing the mounting bolts, move the 
Arm #2 to the position where it does not interfere with the tools before be performing 
operations.
 
 
Arm #1 Cover 
Installation 
, Cleanroom model: 
Put the Arm #1 Cover to the Manipulator and secure with the mounting bolts. 
Hexagon socket head cap bolts with captive washer: 5-M4×12 Sems 
Tightening torque: 4 ± 0.2 Nm 
 model: 
Mount Arm #1 gasket in the groove of Arm #1 Cover.  (Replace the gasket if there are 
flaws or deteriorations.) 
Put the Arm #1 Cover to the Manipulator and secure with the mounting bolts. 
Hexagon socket head cap bolts with captive washer: 5-M4×12 Sems 
Tightening torque: 4 ± 0.2 Nm 
When installing the cover, b
e careful not to get the gaskets and cables caught between the 
and cover.