![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/Two%20PSU.png\")
Open-frame mining tray for two PSUs and 8 GPUs<\/p><\/div>\n
Parts Identification<\/h1>\n![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/Parts.png\")
<\/a>Parts<\/p><\/div>\n
Assembly<\/h1>\n
Thread M3x6<\/strong> bolts into the end of two posts.![](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/Post%20bolt.png\")
<\/a><\/p>\nAttach one post to an end of a short side beam, by sliding the head of the bolt into the top groove of the beam. \u00a0Note how the bolt is tightened by inserting the wrench through<\/strong> the wrench access hole.<\/p>\n![](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/v2\/manual\/PostToBeam.png\")
<\/a><\/p>\nInsert 3\u00a0<\/em>hex<\/strong> M3 nuts into the top groove of the short side beam.<\/p>\n![](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/Side%20beam%20nuts.png\")
<\/a><\/p>\nAttach the second\u00a0post to the beam.<\/p>\n
![](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/Second%20post.png\")
<\/a><\/p>\nUsing 2x M3x20mm bolts (and a washer) attach the middle beam to the posts (note how the holes in the middle beam cannot be seen in the photo, below):<\/p>\n
![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/Middle%20side%20beam.png\")
<\/a><\/p>\nUsing M3x20mm bolts (and a washer) attach the back long beam to the post\u00a0& beam\u00a0sub-assemblies (via the hex nuts inserted above). \u00a0Note: Attach the long beams with the holes for the standoffs visible from the top) and press the beam against the sides of the\u00a0posts.<\/p>\n
![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/Back%20beam.png\")
<\/a><\/p>\nAttach the front \u00a0and middle beams.<\/p>\n
![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/Front%20beam.png\")
<\/a>![](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/MB%20beams%20w%20ruler.png\")
<\/a><\/p>\nThe spacing of the middle support beam is\u00a073mm:<\/p>\n
![](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/v2\/manual\/BeamSpacing.png\")
<\/a><\/p>\nInsert four\u00a0hex nuts into the side<\/strong> of the back motherboard support beam.<\/p>\n![](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/PSU%20tab%20nuts.png\")
<\/a><\/p>\nAttach four black<\/del> plastic<\/del> aluminum<\/strong> PSU tabs to the frame via a M3x6 <\/b>bolts and washer.<\/p>\n![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/PSU%20tab.png\")
<\/a><\/p>\nUsing a M3x35mm bolt, washers, and a hex nut attach one side of a riser support beam to the frame.<\/p>\n
[INSERT PIC OF ATTACHING THE BEAM TO THE FRAME]<\/p>\n
Slide 16x hex nuts into the top slot of the riser support beam.<\/p>\n
![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/First%20riser%20beam%20nuts.png\")
<\/a><\/p>\nFinish attaching the riser support beam via another set of\u00a0\u00a0M3x35mm bolt, washers, and a hex nut.<\/p>\n
Repeat the procedure to attach the second riser support beam.<\/p>\n
Flip the frame upside down (onto its posts) and slide two M3 hex nuts into the slot of the bottom side beam.\u00a0\u00a0Using two M3x6 bolts attach two small rubber bumpers (feet) to the bottom of the tray.![](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/Feet%20nuts.png\")
<\/a><\/p>\nRepeat to attach two more feet to the other side bottom beam.![](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/v2\/manual\/feet2PSU.png\")
<\/a><\/p>\nLoad 8<\/strong> M4 nuts into the top groove of the GPU support beam and start 2 M3x14 bolts with washers and square nuts.<\/p>\n![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/GPU%20beam%20CU.png\")
<\/a><\/p>\nAttach the GPU beam to the back\u00a0posts by sliding the square nuts into the inside groves of the side posts.<\/p>\n
[INSERT PIC OF ATTACHING THE GPU SUPPORT BEAM]<\/p>\n
![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/GPU%20beam.png\")
<\/a><\/p>\nUsing M3x20m bolts, loosely attach the 8 motherboard spacers to the tray (finish tightening the standoffs after<\/em> the motherboard is attached).<\/p>\n![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/Standoffs.png\")
<\/a><\/p>\n
\nUSB risers are attached to the support beams via M3x8<\/strong>mm bolts.<\/p>\nThe PSUs are attached using #6-32 5\/16-inch long bolts and washers.\u00a0 Note the third attachment point via a small 90-degree angle bracket.<\/p>\n
![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/PSU%20mounting%20points.png\")
<\/a><\/p>\n![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/w%20usb%20beams\/two%20psu\/PSU%20mounting%20points%202.png\")
<\/a><\/p>\nGPUs are attached to the tray via M4x6mm Phillips-head bolts<\/p>\n
Done!<\/p>\n
\nOptional HD\/SSD beams<\/span><\/p>\nThe optional HD\/SSD beams are attached to the tray with a M3x6mm bolt and nut.<\/p>\n
![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/SSD%20Rails.png\")
<\/a><\/p>\n
\nStacking Connectors<\/h1>\n
Stacking connectors (threaded dowels) are threaded into the top of the bottom tray’s posts. \u00a0The top tray is attached to the dowels with M3x8mm bolts and square nuts. Note how the bolt goes through<\/strong> the access hole on the side of the beam, pressing against the threaded dowel.<\/p>\n![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/manual2\/bottom%20post-640.png\")
<\/a><\/p>\n![\"\"](\"http:\/\/www.spotswoodcomputercases.com\/images\/mining\/manual2\/securing%20top%20tray-640.png\")
<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"The most up-to-date assembly manual can be found here:\u00a0http:\/\/spotswoodcomputercases.com\/wp\/?page_id=9137 Parts Identification Assembly Thread M3x6 bolts into the end of two posts. Attach one post to an end of a short side beam, by sliding the head of the bolt into … Continue reading
<\/a>Parts<\/p><\/div>\n
Assembly<\/h1>\n
Thread M3x6<\/strong> bolts into the end of two posts. Attach one post to an end of a short side beam, by sliding the head of the bolt into the top groove of the beam. \u00a0Note how the bolt is tightened by inserting the wrench through<\/strong> the wrench access hole.<\/p>\n Insert 3\u00a0<\/em>hex<\/strong> M3 nuts into the top groove of the short side beam.<\/p>\n Attach the second\u00a0post to the beam.<\/p>\n Using 2x M3x20mm bolts (and a washer) attach the middle beam to the posts (note how the holes in the middle beam cannot be seen in the photo, below):<\/p>\n Using M3x20mm bolts (and a washer) attach the back long beam to the post\u00a0& beam\u00a0sub-assemblies (via the hex nuts inserted above). \u00a0Note: Attach the long beams with the holes for the standoffs visible from the top) and press the beam against the sides of the\u00a0posts.<\/p>\n Attach the front \u00a0and middle beams.<\/p>\n The spacing of the middle support beam is\u00a073mm:<\/p>\n Insert four\u00a0hex nuts into the side<\/strong> of the back motherboard support beam.<\/p>\n Attach four Using a M3x35mm bolt, washers, and a hex nut attach one side of a riser support beam to the frame.<\/p>\n [INSERT PIC OF ATTACHING THE BEAM TO THE FRAME]<\/p>\n Slide 16x hex nuts into the top slot of the riser support beam.<\/p>\n Finish attaching the riser support beam via another set of\u00a0\u00a0M3x35mm bolt, washers, and a hex nut.<\/p>\n Repeat the procedure to attach the second riser support beam.<\/p>\n Flip the frame upside down (onto its posts) and slide two M3 hex nuts into the slot of the bottom side beam.\u00a0\u00a0Using two M3x6 bolts attach two small rubber bumpers (feet) to the bottom of the tray. Repeat to attach two more feet to the other side bottom beam. Load 8<\/strong> M4 nuts into the top groove of the GPU support beam and start 2 M3x14 bolts with washers and square nuts.<\/p>\n Attach the GPU beam to the back\u00a0posts by sliding the square nuts into the inside groves of the side posts.<\/p>\n [INSERT PIC OF ATTACHING THE GPU SUPPORT BEAM]<\/p>\n Using M3x20m bolts, loosely attach the 8 motherboard spacers to the tray (finish tightening the standoffs after<\/em> the motherboard is attached).<\/p>\n USB risers are attached to the support beams via M3x8<\/strong>mm bolts.<\/p>\n The PSUs are attached using #6-32 5\/16-inch long bolts and washers.\u00a0 Note the third attachment point via a small 90-degree angle bracket.<\/p>\n GPUs are attached to the tray via M4x6mm Phillips-head bolts<\/p>\n Done!<\/p>\n Optional HD\/SSD beams<\/span><\/p>\n The optional HD\/SSD beams are attached to the tray with a M3x6mm bolt and nut.<\/p>\n Stacking connectors (threaded dowels) are threaded into the top of the bottom tray’s posts. \u00a0The top tray is attached to the dowels with M3x8mm bolts and square nuts. Note how the bolt goes through<\/strong> the access hole on the side of the beam, pressing against the threaded dowel.<\/p>\n The most up-to-date assembly manual can be found here:\u00a0http:\/\/spotswoodcomputercases.com\/wp\/?page_id=9137 Parts Identification Assembly Thread M3x6 bolts into the end of two posts. Attach one post to an end of a short side beam, by sliding the head of the bolt into … Continue reading <\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\nblack<\/del> plastic<\/del> aluminum<\/strong> PSU tabs to the frame via a M3x6 <\/b>bolts and washer.<\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n
\n<\/a><\/p>\n<\/a><\/p>\n
\n<\/a><\/p>\n
\nStacking Connectors<\/h1>\n
<\/a><\/p>\n<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"