Multiquip WRS5200 (ORIGINAL COPY) - Manual (Page 45)

wrs5200 hydraulic roller screed • operaTion manual — rev. #1 (10/22/10) — page 45
rOller ScreeD aSSeMblY
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 32) to scraper bar
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
clearence from the strike tube.
Figure 32. 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.
Refer to Table 9.
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. See Table 9.
2. Attach scraper arm (side with 2 holes) to scraper flange
as shown in Figure 33, 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
clearence from the strike tube.
Figure 33. Scraper Bar Installation
Operator's End
6. Attach scraper bar to to power unit fame section in
same maner 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.