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Keithley Instruments
28775 Aurora Road
Cleveland, Ohio 44139
1-800-935-5595
tek.com/keithley
Introduction
This kit contains all the hardware you need to install a Model 2280, 2281, 2220, or 2230G half-rack instrument
in a standard 19-inch equipment rack.
1U is a standard vertical spacing that is equal to 4.45 cm (1 ¾-inch).
Tools required
Medium (#2) Phillips head screwdriver
3/8-inch wrench
Flat-bladed screwdriver or cage nut installation tool
071362700 / October 2018
Model 4299-14 Dual Fixed Rack-Mount Kit
Figure 1: Typical installation (instrument and rack not included)
*P071362700*
Assembly and Mounting Instructions
1
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Summary of Contents for Tektronix Keithley 4299-14
- Page 1 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions Keithley Instruments 28775 Aurora Road Cleveland, Ohio 44139 1-800-935-5595 tek.com/keithley Introduction This kit contains all the hardware you need to install a Model 2280, 2281, 2220, or 2230G half-rack instrument in a standard 19-inch equipment rack.
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Page 2: Parts List
Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions Parts list The following figure shows the hardware that is supplied with this kit. The following table lists the hardware, part number, and quantity. Figure 2: Model 4299-14 Rack Mount Kit parts Description Part number Quantity... -
Page 3: Prepare The Rack
Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions Prepare the rack To prepare the rack for installation: 1. Determine where the instrument will be mounted. 2. Install four cage nuts on each of the front rails as shown in the following figure. Figure 3: Intall the cage nuts on the front rails 071362700 / October 2018... - Page 4 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions 3. Install two cage nuts on each of the rear rails as shown in the following figure as shown in the following figure. Figure 4: Install the cage nuts on the rear rails 071362700 / October 2018...
- Page 5 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions 4. Install the two front support brackets onto the front rails using four 10-32 x 5/8-inch truss head screws as shown in the following figure. Figure 5: Install the front support brackets 071362700 / October 2018...
- Page 6 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions 5. Install the two rear support brackets using four 10-32 x 5/8-inch truss head screws as shown in the following figure. Figure 6: Install the rear support brackets 071362700 / October 2018...
- Page 7 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions 6. Secure the front and rear support brackets using four 10-32 x 1/2-inch pan head screws and four 10-32 washer nuts as shown in the following figure. Figure 7: Secure the front and rear support brackets 071362700 / October 2018...
- Page 8 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions 7. Install the U-bracket as shown in the following figure. Figure 8: Install the U-bracket 071362700 / October 2018...
- Page 9 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions 8. Secure the U-bracket to the front support brackets using two 10-32 x 1/2-inch pan head screws and two 10- 32 washer nuts as shown in the following figure. Figure 9: Secure the U-bracket to the front support bracket 071362700 / October 2018...
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Page 10: Prepare The Instrument
Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions Prepare the instrument The following instructions explain the preparation and installation of instruments on the 4299-14 Rack Mount Kit. Remove the bumpers To remove the front and rear bumpers (if installed): 1. - Page 11 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions Remove the handle To remove the handle (if installed): 1. Swing the handle to the upright position as shown in the following figure. 2. Pull the ends of the handle away from the instrument (1) and remove (2). Figure 11: Remove the handle 3.
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Page 12: Install The Mounting Hardware
Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions Install the mounting hardware To install the mounting hardware on a single 2280 or 2281 instrument: 1. Secure the front rack ear (1) to the instrument using two 6-32 x 1/2-inch pan head screws as shown in the following figure. - Page 13 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions To install the mounting hardware on a single 2220 or 2230 instrument: 1. Secure the front rack ear (1) to the instrument using two M4 x 10 pan head screws. 2.
- Page 14 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions Install instrument assembly To install a single instrument assembly in the rack: 1. Place the instrument assembly on the support shelf. Continue supporting the instrument assembly until it is secured 2.
- Page 15 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions 4. Secure the rear of the instrument to the support shelf with the unit clip, carriage bolt, and nut as shown in the following figure. Figure 18: Install the unit clip 071362700 / October 2018...
- Page 16 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions To install multiple instrument assemblies in the rack: 1. Place one instrument assembly on the support shelf. Continue supporting the instrument assembly until it is secured 2. Make sure that the instrument assembly is fully seated. 3.
- Page 17 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions 4. Secure the rear of the instrument to the support shelf with the unit clip, carriage bolt, and nut as shown in the following figure. Figure 20: Install the unit clip 071362700 / October 2018...
- Page 18 Model 4299-14 Dual Fixed Rack-Mount Kit Assembly and Mounting Instructions 5. Repeat steps the previous steps for the second unit. Figure 21: Install the second instrument 071362700 / October 2018...
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Page 19: Safety Precautions
Safety precautions The following safety precautions should be observed before using this product and any associated instrumentation. Although some instruments and accessories would normally be used with nonhazardous voltages, there are situations where hazardous conditions may be present. This product is intended for use by personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury. - Page 20 The CAUTION heading in the user documentation explains hazards that could damage the instrument. Such damage may invalidate the warranty. The CAUTION heading with the symbol in the user documentation explains hazards that could result in moderate or minor injury or damage the instrument. Always read the associated information very carefully before performing the indicated procedure.
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