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User guide

H819 Heckler AV Cart for Rapid Deployment

Guide details Applicability and revision

Assemble the rapid-deployment AV Cart, mount the display, and route power and data cables.

ProductH819
Hardware generationH819
Guide revisionrelease-2026-10-28
Applies to

H819 Heckler AV Cart for Rapid Deployment.

In this guide · 7 sections

In the box

a. 1x Front Base (R284-2)

b. 2x Rear Leg (R284-3) c. 2x Display Rail (R284-1) d. 4x Caster (F066) e. 4x Knob Screw, 1/2"-13, 2.75" Long (F067) f. 4x Rubber Spacer (F521) g. 4x Set Screw, M8, 70mm Long (F519) h. 4x Wingnut, M8 (F520) i. 8x Screw-in Cable Mount (F531) j. 8x Pan Head Screw, 10-32, 0.25” Long (F533) k. 4x Push-in Cable Mount (F532) l. 8x Cable Tie (F530)

Front base, rear leg, and display rail identified as components a through c.

Hardware overview labeled d through l: caster, knob screw, rubber spacer, set screw, wingnut, cable mounts, screw, and cable tie.

Install casters

Fasten caster bodies to legs by twisting the top portion of the casters.

Four casters aligned with the mounting holes beneath the front base and two rear legs.

Close-up of a caster with a curved arrow showing its upper body rotating into the leg.

Engage caster brakes

Assembled base with the brake on each of its four casters circled.

Install rear legs

Rear legs overlapping the front base, with two knob screws aligned above the connecting holes.

Completed rolling base with two rear legs and four casters.

Install display rails

Two display rails aligned above the base, with knob screws aligned below their attachment points.

Two upright display rails attached to the rolling base.

Install display

Insert the M8 set screws through the rubber spacers. Position the set screw relative to the spacer as shown.

Three views of a set screw entering a rubber spacer, with the hex-drive end extending 1 inch (25 mm) beyond the spacer.

Fasten the mounting hardware to the display.

Four set screw and rubber spacer assemblies aligned with mounting holes on the rear of a display.

Rear of a display with four rubber spacers and projecting set screws installed.

Ensure all caster brakes are engaged.

Cart base with a close-up of a caster brake circled.

Fasten display to the display rails

Rear of a display with four mounting studs aligned with holes in the two upright rails.

Display seated against the two upright rails on the cart.

Close-up of a wingnut threaded onto a display mounting stud behind the rail.

Route power and data cables

Cable path from the rear of the display down a rail, across the base, and down a rear leg to the floor.

Fasten the provided zip tie anchors and zip ties to the rear of the display rail as shown.

Rear rail with a cable anchor location circled.

Screw-in cable mount attached to a rail, with a cable tie passing through the mount and around the cable.

Install the provided zip tie anchors and zip ties to the rear leg as shown.

Rear leg with a cable anchor location circled.

Push-in cable mount aligned with a hole in the rear leg, followed by a cable tie securing the cable to the mount.

Completed cart supporting a vertically oriented display.