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ASSEMBLY
Install Center Roller Assembly into
Center Frame
1. Roller Assemblies are pre-assembled from the
factory with stub shafts, bearings, shims, and
retaining washers.
2. Loosen the 1-8 Bolt on each end of the Roller
Assembly approximately 4 turns.
3. With the Bearing Grease Fitting facing towards the
rear of the machine, slide the Trunnion Bearing
Mounts onto the Trunnion Bearings and lift the Roller
Assembly up to the Center Frame Bearing Hangers.
Hand tighten 3/4-10 hardware to hold Trunnion
Bearing Mounts in place.
4. Look at each Trunnion Bearing Mount to make sure
that it is sitting perpendicular to the Center Frame
Bearing Hanger. If not adjust the Shim Washers
accordingly, for each side there are two 11ga and
one 14ga Shim Washers. Shim Washers can be all
three on the inside between the Stub Shaft shoulder
and the Trunnion Bearing, all three can be on the
outside between the Trunnion Bearing and Flat Top
Washer, or a combination on either side, but all three
must be used to minimize the gap. If gap cannot be
properly minimized with bearing snap rings to
outside, turn bearing around to have snap ring to
inside. The bearing inner race is offset with respect
to the trunnion bosses by 1/32". By installing
bearings with snap rings in versus out, 1/16"
difference can be made up at assembly if needed.
5. Tighten 3/4-10 and 1-8 hardware to specification per
torque chart. See Page 4-1.
NOTE
Wheel Stop is on the Clamp side of the Roller Assembly
2-4
F-661R4
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