Rockwell Automation Publication 750-TG100B-EN-P - June 2019 23
Before You Begin Tests, Maintenance, or Repairs Chapter 1
Hardware Installation 
Diagrams
The disassembly illustrations throughout this manual contain diagrams (as 
shown here) that identify the following: corresponding sequence number (if 
necessary), type of fastener, fastener size, tool type and size, and final assembly 
torque.
Fastener Type 
Flat-head screw
Hexagonal bolt
Hexagonal nut or standoff
 Hexagonal screw
Torx screw
Phillips screw
Pozidriv screw
Slotted torx screw
Sequence 
Number
1
M4 x 10 mm
T20 or F - 6.4 mm (0.25 in.)
4.8 N
•m (42 lb•in)
Tool Type and Size 
FFlat-nose screwdriver
Px Phillips screwdriver/bit and size
PZx Pozidriv screwdriver/bit and size
Txx Torx screwdriver/bit and size
xx mm Hexagonal socket wrench
Final Assembly Torque
Fastener Size