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13
49900-038
9. Maintenance & Repair
9.1. REPLACING FUSES
The SG1 has 25 fuses along the main fuse strip. Each platen connec-
tion and each auxiliary connection has 3 fuses. The transformer has
2 fuses and there are 5 low voltage fuses for the rectifiers, tempera
-
ture controller, and motherboard. (SEE FIGURE 33)
FIGURE 34 - STEP 1. USING THE 7/32” HEX ALLEN KEY, REMOVE
THE FOUR BOLTS SECURING THE HANDLES.
FIGURE 35 - STEP 2. USING THE 1/8” HEX ALLEN KEY, REMOVE ALL
EIGHT
BOLTS HOLDING THE FRONT AND REAR SEALING RINGS IN PLACE.
The SG1 Switchgear Control Box must be opened to replace
fuses. To access the circuits, a 5/16” hex allen key and a 1/8”
hex allen key are required.
NOTE: Each SG1 may sealed using one of two sealing processes.
1. A reusable moulded silicone gasket
2. Removable silicone caulk
Safety: Disconnect the power supply and all other
cables before opening the SG1.
9.1.1. OPENING THE SG1
Revised - April 2014
FIGURE 36 - STEP 3.
REMOVE THE SEALING RING AND SILICONE GASKET
PROVIDED OR THE SILICONE RESIDUE.
TRANSFORMER
FUSES
TABLET POWER
GLASS FUSES
LEFT
AUXILIARY FUSES
PLATEN SET 2
TOP FUSES
PLATEN SET 2
BOTTOM FUSES
TOP LEFT
PLATEN
FUSES
BOTTOM
LEFT PLATEN
FUSES
RIGHT
AUXILIARY
FUSES
MOTHERBOARD
BLADE
TYPE FUSE
LOW
VOLTAGE
GLASS FUSES
FIGURE 33 FUSE DIAGRAM (TOP VIEW)
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