Tektronix Keithley 4299-4 Installation Instructions Manual Download

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Model 4299-4 Dual-Unit Rack-Mount Kit Installation Instructions

PA-943 Rev. C April 2021

Install mounting hardware

Install the mounting hardware on the opposite sides of each instrument, as shown in the following figures.

To install the mounting hardware on the instruments:

1. Place the instruments side-by-side, in the same position that they will be installed in the rack.
2. Attach the front rack-ears (2602-335) to the outside of each instrument using two Phillips pan-head screws

(#8-32 × 3/8 PPH).

Figure 4: Front rack-ears

Summary of Contents for Keithley 4299-4

Page 1: ...k release pin FA 352 4 Cage nut FA 274 4 8 32 3 8 in Phillips pan head screw 8 32 3 8PPH 4 8 32 3 8 in Phillips flat head screw 8 32 3 8PFH 4 10 32 5 8 in Phillips truss head screw 10 32 5 8PHTRSH 2 M4 12 mm Phillips pan head screw M4 12PPH 4 M4 12 mm Phillips flat head screw M4 12MMPFH Tools required Medium 2 Phillips screwdriver 3 8 inch wrench Flat bladed screwdriver or cage nut installation to...

Page 2: ...t damaging heat build up and ensure specified performance make sure there is adequate ventilation and airflow around the instrument to ensure proper cooling Do not cover the ventilation holes on the sides or back of the instrument The rear vents and both side vents must be unobstructed to properly dissipate heat Mount precision equipment as low as possible in the rack Operating temperatures are co...

Page 3: ...1 away from the case 3 Remove the screw that secures each mounting ear 3 4 Pull down and out to remove each ear Figure 2 Mounting ear removal 5 From the bottom of the instrument pull out the rubber feet and remove the screws 4 see the following figure Figure 3 Instrument rubber feet removal 6 Store the handle rubber feet and hardware for future use ...

Page 4: ...site sides of each instrument as shown in the following figures To install the mounting hardware on the instruments 1 Place the instruments side by side in the same position that they will be installed in the rack 2 Attach the front rack ears 2602 335 to the outside of each instrument using two Phillips pan head screws 8 32 3 8 PPH Figure 4 Front rack ears ...

Page 5: ...328 to both instruments using two Phillips flat head screws 8 32 3 8 PFH on each and make sure the knuckle of the hinge is facing the front of the instruments as shown in the following figure 4 Insert the quick release pin FA 352 in the hinge knuckle to assemble the hinge Figure 5 Secure hinges to the instrument ...

Page 6: ...k ears should be installed into the rails at the same hole spacing vertical height Figure 6 Rack mount rails Install the instruments When rack mounting restricts access to the main power cord provide a separate main power disconnect device located close to the equipment and within easy reach of the operator Failure to disconnect all power when needed may expose personnel to hazardous voltages whic...

Page 7: ...o install the instruments 1 While supporting the instruments slide the instruments into the rack and align them to the front rack rails 2 Secure the instruments in the rack with four Phillips truss head screws 10 32 5 8 PHTRSH as shown in the following figure Figure 7 Install the instruments ...

Page 8: ...ts will be marked as category II or higher Unless explicitly allowed in the specifications operating manual and instrument labels do not connect any instrument to mains Exercise extreme caution when a shock hazard is present Lethal voltage may be present on cable connector jacks or test fixtures The American National Standards Institute ANSI states that a shock hazard exists when voltage levels gr...

Page 9: ...r components that are not safety related may be purchased from other suppliers as long as they are equivalent to the original component note that selected parts should be purchased only through Keithley to maintain accuracy and functionality of the product If you are unsure about the applicability of a replacement component call a Keithley office for information Unless otherwise noted in product s...

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Tektronix Keithley 4299-4, Installation Instructions Manual

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