Multiquip WSHE_A_SERIES - Manual (Page 29)

WSHe/a vibraTory TruSS Screed • operaTion manual — rev. #0 (05/22/12) — page 29
aSSeMbly
connecTing THe TruSS Frame SecTionS
Connect the truss sections as defined by the following
procedure.
1. Remove pre-installed mounting hardware from the
ends of each screed section (blade connector). This
hardware will be used for the attachment of the blade
connector.
2. Screw jam nuts onto top pipe as shown in Figure 16.
Hand thread the top pipe turnbuckle about 3 turns onto
the top pipe of the mating truss section.
3. Be sure to connect the drive shafts of each truss
section by means of a drive shaft coupler. Reference
eccentric shaft section in this manual.
4. Reinstall blade connector mounting hardware and
torque all bolts to 70 ft.-lbs. (95 N.m).
5. Pull each screed section together until top the turnuckle
connects at the top pipe. Each section is marked with
an "L" for left-hand thread and an "R" for right-hand
thread.
6. To prevent cross-threading, start the turnbuckle by
hand.
7. While tightening the turnbuckle, the sections will pull
together. As the sections come together, turn the
turnbuckle only enough to make sure that the 2 screed
blades in front and the bull float blade just make light
contact
connecTing THe eccenTric SHaFT SecTionS
1. Each truss section has an eccentric shaft. The shaft of
one section must be connected to the adjoining truss
section until the desired length of screed is achieved.
2. The connection of multiple eccentric shafts is achieved
by the use of a drive shaft coupler.
3. Starting from the initial truss frame, remove the tube
mount/cover and associated hardware. This will allow
for easy access to the pillow block bearing.
4. Next, verify that the drive shaft coupler has already
been installed on the free end of the drive shaft as
shown in Figure 16.
5. If the coupler is not installed, please install coupler.
Reference parts manual for coupler part number.
6. It may be necessary to loosen the set screws on the
coupler so that the coupler will slide onto the adjoining
drive shaft easily.
7. Insert the drive shaft from the adjoining truss frame
into the free end of the coupler.
8. Once both shafts have been inserted and centered
into the coupler, apply Loctite™ to the set screws and
tighten set screws to 30 ft.-lbs. (41 N.m).
9. Repeat the above steps for each section of screed that
will be joined together.