Precor EFX 883 - Manual (Page 23)

Assembling the EFX
21
3. Check alignments and thread the remaining four center
column support screws, four ⁵₁₆-inch washers, and four
split washers. Tighten with a ³₁₆-inch hex key so the
assemblies come together, but leave room for
adjustments.
Figure 9: Attachment of center column support
To tighten the fasteners properly:
CAUTION: Upright support fasteners must be properly aligned
and wrench-tightened in the order described below. If improperly
assembled, the upright supports can rub against the ramp.
1. Fully tighten the two sets of fasteners on the back of the
center column support.
Figure 10: Fastener attachment detail