Document: 333D012G
5-18-2007
- 33 -
V – DISASSEMBLY INSTRUCTIONS
IMPORTANT
Only qualified technicians should perform this procedure.
If the cabinet has been in use it will need to be decontaminated.
Tools Required:
3/8” Spin wrench | 1/4” Spin wrench | 3/4” Wrench | Cordless drill with 3/8” Socket
1.
Unplug cabinet from power source. Lower viewscreen.
2.
Removal of the vertical dress panel:
A.
Pull the bottom edge of the vertical dress panel out away from the cabinet. Hinge the dress panel standoff down
and lower the vertical panel on it.
B.
Unplug tygon tubing from the magnehelic gauge.
C.
Firmly grip the bottom edge of the vertical dress panel with both hands, slide the panel to the right and lift the
panel off the cabinet.
3.
Removal of the light canopy:
A.
Remove the light canopy fasteners inside the sloped dress panel and lower the canopy.
B.
Unplug the wires going from the light canopy to the electrical mounting board.
C.
Disconnect the canopy support cables from the electrical mounting board.
D.
Lift the canopy off the cabinet.
4.
Removal of the sloped dress panel:
A.
Remove the two screws at the top and loosen the lower lock nuts holding the sloped dress panel.
B.
Lift the panel off the cabinet.
5.
Removal of the electrical mounting board:
A.
Loosen the four lock nuts holding the electrical mounting board.
B.
Disconnect the power cord assembly at the top of the cabinet that goes up from the electrical mounting board.
C.
Disconnect plug on the left side.
D.
Carefully lift the electrical mounting board with the power cord assembly attached off the cabinet. Store in a
safe place.
6.
Removal of sliding viewscreen:
A.
Lift the viewscreen up to its maximum height.
B.
Place #8-32x 3/4” long truss head screw in tapped hole at top of sash brackets under each viewscreen cable
tab. Leave the screws out approximately 3/8” to 1/2”. This will support the viewscreen while the cables are
being disconnected.
C.
Remove the #8-32 hex head screw that holds the cable to the viewscreen cable tab. Repeat the process for other
side of the viewscreen.
D.
Carefully lift the viewscreen up and out of the lower viewscreen tracks. This should be done with two people.
7.
Remove lower left and right hand viewscreen tracks.
8.
Remove armrest, work surface, and work surface supports.
9.
Removal of the front access panel:
A.
Remove the ten (10) hex head screws with seal washers holding the panel to the cabinet. Remove the center top
bolt last.
B.
Lift the panel off the cabinet, being careful not to damage the panel gasket.
10.
Removal of the side panels:
A.
Remove the ¾” brass nuts from each plumbing connection.
B.
Remove the hex head screws with seal washers [7 per side]. Disconnect any wiring in the left side panel.
Remove panels, being careful not to damage the panel gaskets.
11.
See “Replacing the HEPA Filters” for instructions on how to remove the filters.
12.
Removal of the blower assembly:
A.
Remove (1) ¼” hex head screw that holds the assembly to the positive pressure plenum.
B.
Disconnect the motor wiring and slide the blower assembly out toward you.
13.
Remove the positive pressure plenum assembly by loosening the bolts on the inside of the exhaust plenum enough to
allow the clamping hardware to angle out away from the slotted retaining brackets.
Use these instructions in reverse order to reassemble the cabinet.
Summary of Contents for SG403A
Page 35: ...Document 333D012G 5 18 2007 34 Appendix ...
Page 38: ...Document 333D012G 5 18 2007 37 Dimensional Drawing Standard Configuration SG403A ...
Page 39: ...Document 333D012G 5 18 2007 38 Dimensional Drawing Standard Configuration SG603A ...
Page 41: ...Document 333D012G 5 18 2007 40 Interior View Exterior View Cable port plug not shown ...
Page 42: ...Document 333D012G 5 18 2007 41 Ladder Schematic SG403A ...
Page 43: ...Document 333D012G 5 18 2007 42 Ladder Schematic SG603A ...
