Great Plains NTA1300 Predelivery Manual - Manual (Page 15)

13 7/29/2004 NTA 1000 and NTA 1300 148-528Q
Great Plains Mfg., Inc.
Contact Wheel
Refer to Figure 20
1. If bearings, 0.880 hex bore 205DD (1) and plastic
sleeves (2) are not already installed, do so as shown.
Be sure to keep bushing and sleeves level so as not to
go in at a slant. Bearing should be installed on the
flanged side* of the arm with the groove side of the
bearing towards the outside.
Refer to Figure 21
2. Place the open end of the contact wheel arm (1) inside
the mounts of the sub-frame (2) by aligning the holes
together and sliding them over each other. The open
end of the contact wheel arm may have to be pushed
inward to slide in between the mounts.
3. Attach tie-rod (3) to the arm (1) using 3/8 x 1 bolts and
lock washers (4).
4. Slide the tramline switch mount (5) into the 2 1/2 hose
clamp (6) and tighten over the extended tube from the
sub-frame. Final assembly and exact orientation will
be done later when the Roger switch is installed.
5. Assemble the brace (7) to the contact wheel arm (1)
with two 1/2-13 x 1 hex flange screws (8).
19442
19441
Figure 20
Bearing and Plastic Sleeves
Figure 21
Contact Wheel Weldment
Assembly