Overhauling Procedures - Mitsubishi Electric LOSSNAY LGH-F300RX5-E Handbook

8. Overhauling procedures

Work precautions
• When touching the electric components such as circuit boards and fan motors, do not touch the components
for more than 5 minutes after power-off, and then start working.
• Before replacing parts, repair troubled sections according to the instructions described in the troubleshoot-
ing.
• When servicing, always keep proper footing.
• When servicing, make sure that the power cord is pulled out of the outlet, or the power supply isolator is off
if no mains connector is built in the product, so as no electrical shock or injury to occur. Pay sufficient atten-
tion when working on the product.
• Always connect the power wire properly.
• After completing repairs, confirm that the main unit operates normally.
• Always wear gloves when servicing.
The following pictures show LGH-F300RX
( 1 ) Turning power off
1 Shut down the unit.
2 Turn off the power supply isolator on the distribution board.
( 2 ) Fan parts
1 Pull out the hinge, and open the maintenance cover.
2 Draw the Lossnay cores (with filters) from the unit.
-E.
5
Hinge
Filter
─ 58 ─
Maintenance cover
Lossnay core