User's Manual

Table Of Contents
Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1 173
DIB-500 R4.1 Component replacement
Overview of replacement components and tools, aids and materials
11.2.2 Replacing the ACS (tools and aids)
Table 11.3 provides an overview of tools and aids that are required for replacing the
ACS.
11.2.3 Replacing components of the fan unit (tools, aids and materials)
Table 11.4 provides an overview of tools, aids and materials that are required for replac-
ing components of the fan unit.
11.2.4 Replacing the LRU (tools and aids)
Table 11.5 provides an overview of tools and aids that are required for replacing the
LRU.
11.2.5 Replacing the top hat rail power supply unit (tools and aids)
Table 11.6 provides an overview of tools and aids that are required for replacing the top
hat rail power supply unit.
Table 11.3 Overview of tools and aids (replacing the ACS)
Work step Tools, aids
Replacing the ACS | Torx screwdriver size TX25
| Flat-bladed screwdriver size 0.6 x 3.5
| Wrench size 8
| Wrench size 19
| Size 8 dynamometric key with a torque of 0.6 Nm
| Size 19 dynamometric key with a torque of 1 Nm
Table 11.4 Overview of tools, aids and materials (replacing components of the fan unit)
Work step Tools, auxiliaries Materials
Replacing the air filter pad --- | new air filter pad
Replacing the fan subrack | Torx screwdriver size TX20 ---
Table 11.5 Overview of tools and aids (replacing the LRU)
Work step Tools, auxiliaries
Removing the top
cover of the equipment
rack
| Phillips head screwdriver size PH2
| Coin to unscrew/tighten the mounting screws of the equipment
rack top cover
Table 11.6 Overview of tools and aids (replacing the top hat rail power supply unit)
Work step Tools, auxiliaries
Removing the top cover of the
equipment rack
| Phillips head screwdriver size PH2
| Coin to unscrew/tighten the mounting screws of the
equipment rack top cover
Replacing the top hat rail power
supply unit – optional, only variants
with redundancy package
| Flat-bladed screwdriver size 0.8 x 2.5
| Flat-bladed screwdriver size 0.8 x 4