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Bosch 8981 021 140 Assembly Manual
Bosch 8981 021 140 Assembly Manual

Bosch 8981 021 140 Assembly Manual

Adjustable height workstation

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Ergonomic Workstations
Adjustable Height Workstation Kit
Assembly Guide
Installation and Maintenance
Publication Number: 8981 500 300 7/02
Adjustable Height Workstation

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Summary of Contents for Bosch 8981 021 140

  • Page 1 Ergonomic Workstations Adjustable Height Workstation Kit Assembly Guide Installation and Maintenance Publication Number: 8981 500 300 7/02 Adjustable Height Workstation...
  • Page 2: Table Of Contents

    Warranty Information ..............................24 Liability .................................... 24 Environmental Protection ............................24 All rights are held by BOSCH REXROTH CORPORATION and We reserve the right to make technical changes at any time ROBERT BOSCH GMBH, also regarding patent claims. We retain without notice.
  • Page 3: Important Safety Information

    Please contact Bosch for copies of the Material Safety Data Sheets (MSDS) for the lubricating oil used in gearboxes and other potentially hazardous materials.
  • Page 4 • All set-up maintenance and repair work should workstation to the floor. A number of floor be performed only by properly trained, qualified anchoring options can be found in the Bosch personnel. All operators must be properly trained aluminium structural framing catalog available in the use of this equipment.
  • Page 5: About This Manual

    About this manual • Assembly – Lists step-by-step assembly The manual is divided into the following sections to instructions for the Adjustable Height Workstation. make it easier to use: • Operation – provides valuable operating • Technical Data – Provides the most important information.
  • Page 6: Technical Data

    Technical Data Application and Function Functional dimensions for the Adjustable Height Table The Adjustable Height Table Frame Kit is used in Frame Kit are shown in Figure 1 below. assembly operations where ergonomic considerations dictate the need for height adjustability. The minimum height is nominal since the position of the height adjustment studs and thickness of the table Height adjustment is accomplished with simple push-...
  • Page 7: Recommended Tools

    Specifications Adjustable Height Workstation Kit Part Number ................8981 021 140 Frame Height ........................802 – 1302 mm Adjustable Frame Width ..........................990 mm (38.976 in) Table Top Width .....................1000 mm min. – 1400 mm max.
  • Page 8: Design And Detailed Description

    Design and Detailed Description consist of two motors synchronized with an electrotonic The Adjustable Height Table Frame Kit contains all of the components necessary to build an electric lift control. The frame components are made from extruded aluminum profiles. Tabletops are sold separately and height adjustable table frame.
  • Page 10: Before You Begin

    Before you begin Before you begin to assemble the Adjustable Height Figure 2 below shows the location of each profile as Workstation, read through this manual to familiarize it relates to the parts list. You may find it helpful to yourself with the assembly procedure.
  • Page 11: Table Top Assembly

    Table Top Assembly Drill 2 mm pilot holes 18 mm deep for the control box NOTE: The adjustable table is assembled upside in each of the 4 locations indicated on the layout down. In the following steps make sure the template as shown in Figure 3.
  • Page 12 Table Top Assembly Continued Locate the following parts and lay them out as indicated Slide the head of a S12x30 connection screw, on the template as shown in Figure 4. attached to the 45x60 profile, into the 45x90 profile T-slot as shown in the Inset drawing on Figure 4. 8981 021 266 Profile, 45x60 with S12x30 Connection Screw NOTE: Position the 45x60 profile to extend...
  • Page 13: Using T-Bolts And T-Nuts

    Using T-bolts and T-nuts The Bosch Adjustable Height Workstation Kit uses profiles connected using the T-slot principle (Figure 5). Insert the T-bolt into slot (A), and tighten down the nut. As it tightens, it will turn the T-bolt 90° in the slot (B), creating a friction lock (C).
  • Page 14: Attaching The Cross Braces

    Attaching The Cross Braces Place a gusset into the corner of a 45x45 and 45 x60 Locate 4 more 45x45 gussets. profiles as shown in Figure 7. NOTE: The centering tabs on these gussets do not Slip prepared T-bolt/flange nut combinations through need to be removed.
  • Page 15: Attaching The Table Top

    Attaching The Table Top Slip prepared T-bolt/flange nut combinations through Locate 4 remaining 45x45 gussets. Then remove the the slot in the gusset and tighten the flange nut. alignment tabs from both sides of each gusset. Attach the gussets to the table frame at the other 3 Remove the template between the underside of the table top and profiles.
  • Page 16: Control Box Mounting

    Electronic Control Box Installation Locate the Electronic Control Box and 4–3.5x22 Locate 8–45x45 round cover caps. screws. Place a round cover cap over each 45x45 gusset to cover the exposed mounting hardware. Tap lightly into Use 4–3.5x22 screws to mount the control box to the place with a soft mallet.
  • Page 17: Installing The Cross Brace

    Installing The Lifting Columns Bolt Flat Side Connector Locate 2–45x90 Bolt Connector Kits, (P/N 3842 500 923) and follow the steps below to install them in the 45x90 profile, (cross brace) as shown in Figure 10 and 11. 1. Refer to Figure 10 and install a bolt connector Alignment with the flat side positioned as shown into the machined profile hole.
  • Page 18: Mounting Telescoping Acturator Assembly

    Mounting Telescoping Actuator Assemblies Locate 8–adjustable gussets and break off the tabs Locate 8–M8 T-nuts and 8–M8x16 Low Head Screws. on the short side of all 8 gussets. Break off the tabs on Insert the M8x16 screws into the long side of each the long side of 4 of the gussets.
  • Page 19 Break Off Short Side Telescoping Actuator Assembly 8mm To 10mm Adjustable Gusset Plastic Adapter With Adapters Adjustable Gusset M8 x 16 Low Head Screw (2910 131 238) Adjustable Gusset With Adapters Actuator M8 x 16 Low Head Mounting Screw (2910 131 238) T-Nut Adjustable Gusset With Adapters...
  • Page 20: Assembling The Base Frame

    Assembling the Base Frame Locate 2–45mm Bolt Connector Kits, (P/N3842500921). Install one bolt connector into one end of the remaining 45x45 profile, cross brace as shown in Figure 14. Then push the square end of 45x45 Profile (3842 990 644 1867) an alignment pin into the center bore of the profile and into the bolt connector to secure the connector into place as shown.
  • Page 21: Mounting Base Frame To The Telescoping Acturators

    Mounting the Base Frame to Telescoping Actuators Make sure the flanges on the threaded inserts are up as shown in Figure 16. Then mount the base assembly NOTE: Remove and discard any protective covering that may be attached to the ends of the telescoping onto the telescoping acturators with 4–M12 acturatorss by removing the screws holding it in lockwashers.
  • Page 22: Final Assembly

    Final Assembly Mount the switch assembly with slider plate to the Plug one end of a telescoping actuator cable into the table top using the pilot holes drilled previously. Use connector on the other telescoping actuator. Plug the the 3 screws that came with the switch. See inset other end of the cable into MOT 2 on the control box.
  • Page 23: Operation And Maintenance

    A number of anchoring options can be found in the Bosch aluminum 1. Remove all dirt and grease. Wipe the table clean of structural framing catalog available through your local any excess grease, dirt or any foreign substances distributor.
  • Page 24: Warranty Information

    Module Warranty BOSCH REXROTH CORPORATION warrants to the original purchaser the modules manufactured by us to be free from defects in materials and workmanship under normal use and service. Our obligation under this warranty shall be limited to the repair or exchange of any part or parts which may thus prove defective under normal use and service within one (1) year from date of installation by the original purchaser.

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