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Contents
Important User Information � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 2
Safety Precautions � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 3
Required Tools� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 3
Unpacking � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 4
Parts List � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5
Hardware Pack - Casters � � � � � � � � � � � � � � � � � � � � � � � � � � � 5
Hardware Pack - Plastic Parts � � � � � � � � � � � � � � � � � � � � � � � 5
Hardware Pack - Fasteners � � � � � � � � � � � � � � � � � � � � � � � � � 6
Step Components � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7
Chassis Components � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 8
Backrail Components � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 9
Visit the Signature Choral Risers web page at wengercorp.com for more information.
Note: Please read and understand these instructions before proceeding�
Note: If you need additional information, contact Wenger Corporation using the information below�
©Wenger Corporation 2024
Wenger Corporation, 555 Park Drive, P�O� Box 448, Owatonna, Minnesota 55060-0448
Questions? Call�����USA: (800) 4WENGER (493-6437) • Worldwide: +1-507-455-4100 • wengercorp�com
Signature
Before Assembly � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 10
Assembly � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 11
Safety Check � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 26
Moving and Storage � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 27
Connecting Riser Units � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 28
Reversed Riser Assembly � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 29
Printed in USA 2024-11
Assembly Instructions
Choral Riser
®
4-Step Model
Part #098G499-03
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Summary of Contents for Wenger Signature Choral Riser 4-Step
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Page 1: Table Of Contents
Visit the Signature Choral Risers web page at wengercorp.com for more information. Note: Please read and understand these instructions before proceeding� Note: If you need additional information, contact Wenger Corporation using the information below� ©Wenger Corporation 2024 Printed in USA 2024-11 Part #098G499-03 Wenger Corporation, 555 Park Drive, P�O�... -
Page 2: Important User Information
Wenger Corporation� Wenger Corporation does not assume any responsibility for any errors that may appear in these instructions� In no event will Wenger Corporation be liable for technical or editorial omissions made herein, nor for direct, indirect, special, incidental, or consequential damages resulting from the use or defect of these instructions�... -
Page 3: Safety Precautions
Safety Precautions Throughout this document you may find cautions and warnings which are defined as follows: • WARNING: Failure to follow the instruction could result in serious injury or damage to property� • CAUTION: Failure to follow the instruction could result in minor injury or damage to property� Read all of these safety instructions before assembly or use�... -
Page 4: Unpacking
Unpacking CAUTION Set up and use the riser only on flat, solid surfaces. 1� Read and understand the complete assembly procedure before beginning� It is recommended to unpack and sort the items according to the order of assembly� 2� Remove all parts from the shipping cartons� Each riser is shipped in two cartons: - one shorter carton containing the chassis�... -
Page 5: Parts List
Parts List Hardware Pack - Casters Caster Mount Swivel Caster Hardware Pack - Plastic Parts 1" x 2" Cap Front Bumper Snap-In Glide 1" x 2" Plug Backrail Stop Block... -
Page 6: Hardware Pack - Fasteners
Parts List (continued) Hardware Pack - Fasteners 3/8-16 x 3" Carriage Bolt 5/16-18 x 1" 3/8-16 x 1-1/4" Carriage Bolt Carriage Bolt 3/8-16 x 1" Carriage Bolt 3/8-16 Jam Lock Nut 5/16-18 Flange Lock Nut 3/8-16 Flange Lock Nut... -
Page 7: Step Components
Parts List (continued) Step Components Item Description Item Description 1st Step 3/8-16 x 1" Carriage Bolt 2nd Step 3/8-16 Flange Lock Nut 3rd Step *Included in Hardware Packs 4th Step Unit Connector Bracket 1/4" Dia� Blind Rivet 5/16-18 x 5/8" Capscrew... -
Page 8: Chassis Components
Parts List (continued) Chassis Components Item Description Item Description Frame Assembly, Left Side Swivel Caster Frame Assembly, Right Side Caster Mount Bottom Truss Pan Front Bumper Top Truss Pan Snap-In Glide Front Truss Weldment 5/16-18 x 1" Carriage Bolt Small Truss Pan 3/8-16 x 1-1/4"... -
Page 9: Backrail Components
Parts List (continued) Backrail Components Item Description Item Description Backrail Upright Tube 1" x 2" Cap Backrail Horizontal Tube Backrail Stop Block Backrail End Cap, 1-1/4" OD 1" x 2" Plug 3/8-16 x 3" Carriage Bolt 3/8-16 Jam Lock Nut 3/8-16 Flange Lock Nut *Included in Hardware Packs... -
Page 10: Before Assembly
Before Assembly The following assembly instructions show standard riser assembly. Risers can be connected together for use in two different configurations. In an arc configuration, all risers are assembled standard as shown in these instructions. In a straight configuration, alternating riser sets must be assembled with the steps and backrail reversed. -
Page 11: Assembly
Assembly 1� Attach the rear casters to the side frames� For both side frames: a� Slide one swivel caster (1) into a caster mount (2)� b� Attach the caster mount to the side frame assembly (23) (left side) and (24) (right side) using one 3/8-16 x 1-1/4"... - Page 12 Assembly (continued) 2� Attach the bottom truss pan to the side frames� a� Hold or brace the side frame assemblies upright� Note the orientation of the side frame assemblies. b. Attach the bottom truss pan (25) using two 3/8-16 x 1" carriage bolts (11) and 3/8-16 flange lock nuts (13) on each side�...
- Page 13 Assembly (continued) 3� Attach the top truss pan (26) to the side frames using two 3/8-16 x 1" carriage bolts (11) and 3/8-16 flange lock nuts (13) on each side. This step uses fasteners: 3/8-16 x 1" 3/8-16 Carriage Bolt Flange Lock Nut...
- Page 14 Assembly (continued) 4� Carefully tip the riser onto its back� 5� Attach the front truss weldment to the side frames� a� Fit the front truss weldment (27) onto the side frames� b� Loosely attach the front truss weldment (27) using two 3/8-16 x 1-1/4" carriage bolts (10) and 3/8-16 flange lock nuts (13).
- Page 15 Assembly (continued) 6� Attach the front casters to the side frames� For both sides: a� Slide one swivel caster (1) into a caster mount (2)� b� Attach the caster mount to the side frames using one 3/8-16 x 1-1/4" carriage bolt (10) and a 3/8-16 flange lock nut (13).
- Page 16 Assembly (continued) 7� Attach front bumpers (4) to both sides of the front truss weldment using two 5/16-18 x 1" carriage bolts (9) and 5/16-18 flange lock nuts (14) in each. This step uses fasteners: 5/16-18 x 1" 5/16-18 Carriage Bolt Flange Lock Nut...
- Page 17 Assembly (continued) 8� Tip the riser onto the casters� 9� Pinch and push the snap-in glides (5) into the top and bottom of the rear channel of both side frames� The button on both sides should snap through the holes� Rear channel Rear...
- Page 18 Assembly (continued) 10� With the pilot hole end toward the top, carefully slide the backrail upright tubes (29) through the rear channel of both side frames� CAUTION Lower the backrail upright tubes to the floor, do not drop them. Damage can occur. Pilot hole end toward top...
- Page 19 Assembly (continued) 11� Attach a backrail stop block (6) to the bottom hole of both upright tubes using one 3/8-16 x 3" carriage bolt (8) and 3/8-16 flange lock nut (13) in each. This step uses fasteners: 3/8-16 x 3" 3/8-16 Carriage Bolt Flange Lock Nut...
- Page 20 Assembly (continued) 12� Push one 1" x 2" cap (3) onto the bottom of both upright tubes� 13� Push one 1" x 2" plug (7) into the top of both upright tubes�...
- Page 21 Assembly (continued) This step shows the backrail horizontal tubes being installed for the standard assembly risers only. For reversed assembly risers, see “Reversed Riser Assembly” on page 29. 14� Attach the backrail horizontal tubes to the upright tubes� a� Remove and discard the protective rubber caps from the threaded studs of the backrail horizontal tubes (30)�...
- Page 22 Assembly (continued) 15� While firmly holding on to the side frame assemblies, remove the remaining plastic bands that keep them closed� plastic bands 16� With one person at each side frame assembly, carefully fold them both down both at the same time until they touch the floor. CAUTION Lower the side frame assemblies to the floor, do not drop them.
- Page 23 Assembly (continued) If an optional siderail will be attached to the riser, stop here and refer to the instructions included with the siderail kit. 17� With the U-channel at the bottom, attach the three small truss pans (28) to the side frames using two 3/8-16 x 1"...
- Page 24 Assembly (continued) 18� Attach a backrail stop block (6) to the remaining hole in both upright tubes using one 3/8-16 x 3" carriage bolt (8) and 3/8-16 flange lock nut (13) in each. This step uses fasteners: 3/8-16 x 3" 3/8-16 Carriage Bolt Flange Lock Nut...
- Page 25 Assembly (continued) This step shows the steps being installed for the standard assembly risers only. For reversed assembly risers, see “Reversed Riser Assembly” on page 29. 19� Attach the steps to the side frames� a� Start with the longest step at the top and place them onto the side frames in descending order with the widest end at the rear as shown�...
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Page 26: Safety Check
Safety Check Before each use, with the riser in the Performance Position check the components for tightness and condition: a� All nuts and bolts on the chassis b� Backrail upright tubes c� Backrail horizontal tubes d� Steps Riser in Performance Position... -
Page 27: Moving And Storage
To place the riser in the Storage Position: 1. Lift up on the first step and fold it up to the backrail. Wenger Corporation recommends using two people to lift and fold! 2� The riser can now be moved and stored�... -
Page 28: Connecting Riser Units
Connecting Riser Units Risers can be connected to additional units using the unit connector brackets installed on the steps� To connect risers together: 1� Roll an additional riser to be aligned as close as possible with the riser already placed in the Performance Position�... -
Page 29: Reversed Riser Assembly
Reversed Riser Assembly This section shows the steps and backrail horizontal tubes being installed for a reversed assembly riser. The previous assembly instructions were for standard assembly risers. To arrange risers in a straight configuration, alternating risers in the configuration must have the positioning of the steps and the backrail horizontal tubes reversed. - Page 30 Reversed Riser Assembly (continued) 2� Fold the riser into the Performance Position and remove the nuts and bolts from the underside of all steps� CAUTION Do not fold the side frames up until all of the steps have been attached with nuts and bolts. 3�...
- Page 31 Reversed Riser Assembly (continued) If an optional siderail will be attached to the riser, stop here and follow step 4 (also see page 23) before proceeding. 4� The small truss pan on the second step may need to be moved� On second step only: for standard assembly risers use the front set of holes.
- Page 32 Reversed Riser Assembly (continued) 7� Fold the riser into the Storage Position and fully tighten the fasteners on the bottom two steps� Tighten the bottom two steps with the riser folded up...
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