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Task 7: Strike Tube Assembly
The roller screed used in this example will require different
lengths of strike tubes. Two separate 14 ft. (4.25 meters)
sections and one 16 ft.(4.87 meters) section will be
required, yielding a combined length of 44 ft. (13.41 meters).
This following instructions will illustrate the installation of
the strike tubes onto the screed. The installation will begin
on the operator's side of the screed and will finish on the
engine side of the screed.
Strike Tube Installation (Operator's End)
1. Verify that bearing and strike tube guard (Figure 18)
have been mounted on the outer plate at operator's end
of screed. If either item is not installed please install.
2. Also, if installed remove the four 3/8-16X2 HHC screws
that secure the scraper bar assembly to the five foot
section of frame. Set scaper bar assembly aside.
3. Insert one end of the 14 ft. (4.25 meters) strike tube
shaft into the 1-3/8" bearing. Using the supplied
wrenches turn the 1-5/8" nut and jam nut until they
butt up against the strike tube hub. Tighten security.
PAGE 38 — WRS5200DFPU HYDRAULIC ROLLER SCREED • OPERATION MANUAL — REV. #2 (03/08/18)
Figure 18. Strike Tube Middle Bracket (Operator's End)
ROLLER SCREED ASSEMBLY
Strike Tube Installation (Middle Bracket)
1. Locate middle bracket, P/N 16653 (Figure 18) plate
on operator's end of screed. Make sure bearings (2)
and splined shaft has been mounted. If bearings and
shaft have not been installed, install as referenced in
Figure 17 (See task 4).
2. Insert other end of the 14 ft. (4.25 meters) strike tube
shaft into the splined shaft as shown in Figure 17.
Figure 17. Strike Tube (Operator's End)
NOTICE
The strike tube adjustment nut should be adjusted so
that the inner edge of the strike tube next to the middle
bracket is spaced between 1/16 to 1/8 inch. Please note
the strike tube will bottom out on the splined shaft when
a gap of less than 1/16 of an inch between the strike
tube and middle bracket remains. Further adjustment
will bend the outer plate.
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