MULTIQUIP WRS5200 Operation Manual page 46

Task 13: Scraper Bars
The following instructions illustrate the installation of the
scraper bars onto the truss sections.
1. Locate scraper bar that matches corresponding section
of truss frame. See Table 9.
2. Next, attach scraper arm (Figure 30) to scraper bar
using 5/16-18 X 3/4 screws, 5/16 flat washers and
5/16-18 nyloc nut Tighten securely.
3. Fully insert free end of scraper arm into scrapper arm
support bar that is welded to frame.
4. To hold scraper and scraper arm in place, insert 1/2-13
X 1-1/4 screws into bolt hole opening. Tighten securely.
5. The scraper bar should be adjusted to 1/8-inch
clearance from the strike tube.
Figure 30. Scraper Bar Installation
(Truss Sections)
NOTICE
Truss frame and scraper bar lengths vary. When
attaching scraper bar to truss frame, ALWAYS make
sure truss frame and scraper bar are of the same length.
Reference Parts Manual.
PAGE 46 — WRS5200DFPU HYDRAULIC ROLLER SCREED • OPERATION MANUAL — REV. #2 (03/08/18)
ROLLER SCREED ASSEMBLY
The following instructions illustrate the installation of the
scraper bars onto the operator and power unit frame
sections.
1. Locate scraper bar that corresponds to the operators
end of frame. Reference Parts Manual.
2. Attach scraper arm (side with 2 holes) to scraper flange
as shown in Figure 31, using 3/8-16 X 2 HHC screws
and 5/16-18 nyloc nuts. Tighten securely.
3. Fully insert free end of scraper arm into scrapper arm
support bar that is welded to frame.
4. To hold scraper and scraper arm in place, insert 1/2-13
X 1-1/4 screws into bolt hole opening. Tighten securely.
5. The scraper bar should be adjusted to 1/8-inch
clearance from the strike tube.
Figure 31. Scraper Bar Installation
Operator's End
6. Attach scraper bar to power unit fame section in same
manner except use scraper bar P/N 36462.
NOTICE
NEVER let anything rub grooves into the strike tube (i.e.
wiper bars, concrete forms, bolts, etc) because those
groves will be transferred into the concrete.