Mitsubishi Electric LOSSNAY VL-5050SR2-E Handbook page 28

(6) Remove the fan guard and fan casing (front).
[1] Unscrew the screws (three PTT screws 4x25,
indicated by ), and remove the fan guard.
Reassembly precaution
Tightening torque for the screws: 1.1 N . m
[2] Unscrew the screws (two PTT screws 4x14, indi-
cated by ), and remove the fan casing (front).
Reassembly precautions
• When attaching or removing the fan casing
(front), make sure to prevent it from contacting
with the part of the PCB box indicated by .
• Tightening torque for the screws: 1.1 N . m
Reassembly precaution
When attaching the fan casing (front), fit its hole
onto the damper shaft that is assembled on the
fan casing.
(7) Remove the main circuit board (VL-36M).
[1] Disengage the PCB box from the hook parts of
the casing (two locations, indicated by
[2] Unscrew the screw (one PT screw 4x8, indicated
by ), and remove the PCB cover.
Reassembly precaution
Tightening torque for the screw: 1.1 N . m
Fan casing (front)
Hole of the fan
casing (front)
Damper shaft
).
─ 28 ─
Fan casing (front)
PCB cover
PCB case
PCB box
Fan guard
Damper
PCB box