The Wenger Showmobile
Model 6432 H
Operator’s Manual PDF (23mb)
10. Square door open
Square door open (any small key or a screwdriver will open that lock). Hydraulic system valve. Must be closed (turn to the right) to activate roof-lifting process with hydraulic pump running. To retract roof, pull the safety pins (one at each end of the trailer) and slowly open the valve. Gravity will close the roof. It's best to close the valve again after closing the roof, so that the next opening process will not be delayed by someone forgetting to close this.
09. Back of trailer
Back of trailer (stage extends to left). Notice crank on "shelf" at top of picture. Below it is the spline for attaching, if there is no electricity available to activate the hydraulic pump. Notice that square door to the right that will have an open view in another picture -- contains valve for hydraulic system that must be closed to activate the roof-lifting action. At bottom right (nearly obscured by chairs leaning against trailer) is the 120-volt access. Extension cord with special connection stays inside the trailer during storage.
04. Front end of trailer
Front end of trailer -- "brake" in place to hold roof locked closed during transit. Notice extended axle of the glide wheel and the small steel plate (at left end of threaded bolt). See explanation in #9 below for the closing/locking and release of that safety mechanism. Lever pictured in #9 is not pictured in #1.
12. Same mechanism as in previous picture,
Same mechanism as in previous picture, but the closing lever is open (swung to the left in this shot), and the U-notched end of the "brake" is poised to be clamped behind the glide wheels axle that extend toward us with the cable wrapped around it. As the lever is closed from the left, that U-shaped notched end must be secured on that axle to fully clamp the roof closed for transit and storage. There is mirrored mechanism on the front end of the trailer. (See pic. #1.)
The extension panels weight between 90-120 lbs each, at least TWO people are necessary for handling them, and 3-4 make it easier and safer. The panels are 4' by 8', and there are 8 per layer. The trailer is 8' wide by 32' long (interior measurement), and there are TWO sets of stage extensions plus a conductor's panel. One row sits flat on the floor of the trailer. We only need one row of extensions for an average gig. When restoring them to the inside of the Showmobile after the gig, it's important to make sure that the first one is placed snugly against the side wall and the back wall, or else there may have to be a massive re-do when the last one won't quite fit.