646 Chair PC Board Cover Access Procedures
Unplug power cord before removing PC board cover.
Serial Number Range: V2200 thru V1977127
Removal
You must perform Step 2 before cover can be completely removed.
1.Remove two screws, then partially separate cover.
2.Tag and disconnect wires from J13 and J14 on PC board.
Installation
1.Connect wires to J13 and J14 on PC board.
2.Secure cover with two screws.
Serial Number Range: V1977128 thru Present
Removal
You must perform Step 2 before cover can be completely removed.
1.Remove two screws, then partially separate cover.
2.Tag and disconnect wires from J1 and J2 on PC board.
Installation
1.Connect wires to J1 and J2 on PC board.
2.Secure cover with two screws.
