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Maint. cover
Hinge
Lossnay core Filter
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, follow the instructions described in the troubleshooting.
• When servicing, always keep proper footing.
• When servicing, make sure that the power supply isolator is off, so as no electrical shock or injury to occur.
Pay sufficient attention when working on the product.
• Always connect the power wires properly.
• After completing repairs, verify that the product operates properly.
• Always wear gloves when servicing.
The following pictures show GUF-100RDH4.
(
1
)
Turning power off
1 Shut down the unit.
2 Turn off the power supply isolator on the distribution board.
(2) Fan Section
1 Unscrew the cover fixing screw (one special (spl.)
screw 4 × 11, indicated by ).
2 Pull back the hinge. Open the maintenance (maint.)
cover and lift it off the fix piece.
3 Remove the Lossnay cores from the unit.
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