Mitsubishi FB13PNT, Quick Start Manual

Page: 72 / 292

1-59 1-59
CHAPTER 1 CONTROLLER CHAPTER 1 CONTROLLER
7. 7.7 7 Re Repl plac acin ing g Po Powe wer r Su Supp pply ly Ca Card rd
Note: When replacing the power supply card, it is Note: When replacing the power supply card, it is
recomme recommended to replace the logic unit as nded to replace the logic unit as an an
assembly. assembly.
When the cover is removed from the logic unit
When the cover is removed from the logic unit case, case,
its tapped holes may get damaged. its tapped holes may get damaged.
Replace the cover if the tapped holes
Replace the cover if the tapped holes of the cover are of the cover are
damaged. damaged.
Removal Removal
(1) (1) Per Perform st form step (1) to ( ep (1) to (5) in Rep 5) in Replacin lacing Logi g Logic Unit. c Unit.
(2) (2) Remo Remove M3 fla ve M3 flat head s t head screw crews (four s (four place places) fro s) from the m the
bottom of the logic unit to bottom of the logic unit to remove the cover. remove the cover.
(3) (3) Remo Remove M3 sc ve M3 screws ( rews (seven p seven place laces) fixi s) fixing the ng the powe powerr
supply card to the logic supply card to the logic unit case to remove the power unit case to remove the power
supply card. supply card.
(4) (4) Remo Remove the g ve the gromm rommet fro et from the po m the power su wer supply car pply card. d.
1 1.. C Co ovve err 2 2.. LLo og giic c u un niit t ccaasse e
501126 501126
1 1
2 2
Installation Installation
Follow the removal sequence in Follow the removal sequence in reverse. reverse.
1 1. H . He eaat t ssiin nkk 2 2. P . Po ow we er r ssu up pp plly y ccaarrd d
501129 501129
1 1
2 2
1 1. G . Grro om mm me ett 2 2. P . Po ow we er r ssu up pp plly y ccaarrd d
501130 501130
1 1
2 2
CAUTION CAUTION
When installing the power supply card onto the logic unit case, carefully tighten the power supply card and heat sink fixing When installing the power supply card onto the logic unit case, carefully tighten the power supply card and heat sink fixing
screws to the specified torque to avoid excessive stresses. Fix the heat
screws to the specified torque to avoid excessive stresses. Fix the heat sink first. sink first.
IItte em m T Tiig gh htte en niin ng g tto orrq qu ue e
M M3 3 ssccrre ew w 0 0..9 98 8 ± ± 0 0..2 20 0 N N··m m {{0 0..1 10 0 ± ± 0 0..0 02 2 kkg gff··m m} } [[0 0..7 72 2 ± ± 0 0..1 15 5 llb bff··fftt]]
M3 M3 fl flat at he head ad sc scre rew w 0. 0.30 ± 30 ± 0. 0.10 10 N· N·m { m {0. 0.03 ± 03 ± 0. 0.01 k 01 kgf gf·m ·m} [ } [0. 0.22 ± 22 ± 0. 0.07 074 lb 4 lbf· f·ft ft]]