Open Hardware
Assembly Instructions

Gather Materials
1x- [PC-BD0114] USB Reader Rev C PCBA
1x- [EL-SW0022] Switch Basic SPDT
2x- [HD-BT0107] SHCS M2x10
2x- [HD-WA0012] M2 Washer
4x- [HD-BT0104] BHCS M3x8, SST
1x- [PP-GP0383] USB Mount
1x- [EL-HR0164] USB Ground Harness

Be sure that you are properly grounded before starting this assembly.

Use 2x SHCS M2x10 [HD-BT0107] fasteners and [HD-WA0012] M2 Washers to fasten the switch [EL-SW0022] to the USB mount [PP-GP0383].
Make sure that the small hole on the mount is lined up with the switch.

Fasten the USB Reader Board [PC-BD0114] to the USB mount with 3x- M3X8mm BHCS SST [HD-BT0104] fasteners at the locations shown.
Note the location used to attach EL-HR0164

Place one of the terminal rings of the USB Ground Harness [EL-HR0164] onto the last BHCS M3x8 SST [HD-BT0104] and secure it to the location shown.
Make sure that the USB input is oriented towards the direction of the switch. Torque fasteners to 5in*lbs

Gather Materials
2x- [HD-BT0012] M3 Set Screw
2x- [HD-BT0185] SHCS M3x16
1x- [HD-BT0196] SHCS M5x25
2x- [HD-MS0411] Rubber Sealed Bearing
2x- [HD-NT0001] M3 Nyloc Nut
1x- [HD-NT0057] M5 Nyloc Nut
2x- [HD-WA0038] M3 Washer
2x- [HD-WA0040] M5 Washer
1x- [PP-GP0141] X End Idler

Fasten 2x Rubber Sealed Bearings [HD-MS0411] and 2x M5 Washers [HD-WA0040] into the designated slot using 1x SHCS M5x25 [HD-BT0196] into 1x M5 Nyloc Nut [HD-NT0057].
Be careful to not over tighten this part. The threads should be engaging the nylon in the locknut but not pinching the bearings or part.

Place 2x M3 Nyloc Nuts [HD-NT0001] into the nut trap of the compression holes of [PP-GP0141] X End Idler

Insert 2x SHCS M3x16 [HD-BT0185] with M3 Washers [HD-WA0038] into the compression holes for the double bearing but do not tighten all the way.

Gather Materials
1x- [HD-BL0028] POWERHOUSE Belt 1x- [PP-MP0225] YZ Idler 1x- [HD-BT0151] SHCS M5x20
2x- [HD-MS0411] Rubber Sealed Bearing

Place the [HD-BL0028] rubber belt's smoothed side against the back of the [PP-MP0225] YZ idler.

Fasten 1X [HD-BT0151] M5X20 SCHS into the YZ idler and through 2X [HD-MS0411] rubber sealed bearing.

Fasten one Z-max switch [EL-SW0022] to the Z-Upper [PP-IS0093] using 2x M2X10 SHCs [HD-BT0107] with washers [HD-WA0012], as pictured.
Ensure the button of the switch is closest to the round smooth rod holes of the printed part.

Bend the switch tabs at a 90 degree angle, as pictured.

Fasten the Z-upper top plate [PP-FP0156] to the Z-upper right with inserts [PP-IS0093] using 4x M3X10 FHCS [HD-BT0116]
Torque to 5in*lbs

Install 2x M3 Set Screws [HD-BT0012] on to the top of the z-upper top plate.

Required materials:
1x- [HD-BT0171] M3x20 BHCS, Black Oxide
1x- [HD-MS0471] Round compression spring .22OD 21lbs/in
2x- [HD-WA0038] M3 Washer, Black Oxide
1x- [PP-IS0096] Y Chain Pivot w/ Inserts, Taz Pro
1x- [PP-GP0367] Y Chain Pivot Mount

On the M3x20 BHCS [HD-BT0171] place one M3 Washer [HD-WA0038] followed by the Compression Spring [HD-MS0471] and the last M3 washer [HD-WA0038]
Insert into the Y Chain Pivot Mount [PP-GP0367] as shown
Place the Y Chain Pivot w/ Inserts [PP-IS0096] on the opposite side and thread fastener into insert.
There is no need to tighten it completely

Materials required for [AS-PR0122] Y-Idler Mount Assembly:

1x- [HD-BL0028] 956mm Closed Loop Belt
2x- [HD-BT0012] M3x6 Set Screw
4x - [HD-BT0148] M3x10 BHCS, Black-Oxide
1x- [HD-BT0151] M5x20 SHCS, Black-Oxide
1x- [HD-BT0158] M5x12 BHCS, Black-Oxide
2x- [HD-MS0411] Rubber Sealed Bearing
4x - [HD-WA0038] M3 Washer
1x- [HD-WA0040] M5 Washer
1x - [PP-FP0151] Y Endplate
1x - [PP-GP0363] Y-Idler Housing
1x- [PP-MP0225] YZ Idler

Secure the [PP-GP0363] Y-Idler Housing to the [PP-FP0151] Y-Endplate using 4x [HD-BT0148] M3 x 10 Bolts with 4x [HD-WA0038] M3 Washers. Note the correct part orientation.

Now fasten 2x M3 set screws [HD-BT0012] into the back of the Y endplate. Don't thread them all the way into the endplate just enough so that they stay in place.

Loop the closed loop belt [HD-BL0028] around 2x bearings [HD-MS0411], now place the bearing inside of the YZ idler [PP-MP0225] and secure them with 1x M5x20 SHCS [HD-BT0151].

Place the YZ idler inside of the Y idler mount and secure with 1x M5x12 BHCS [HD-BT0158] with a M5 washer [HD-WA0040].