Preventive and Corrective Maintenance
Real Time Clock
13291L-001 Rev. A S4M Maintenance Manual 10/27/05
See Figure 155. To remove the standoffs, use a needle nose pliers to pull out the pins in
each of the standoffs and then pull the body of each to remove them from the MLB and the
Figure 155 • Remove and Install the Spacers and Standoffs
4. Squeeze the spacer locking tab with the needle nose pliers while lifting the board slightly,
and then do the same to the other spacer to remove the RTC option board.
5. Continue to step 3 of Install the RTC Option Board on page 289.
Caution • Wear protective eye wear when installing or removing E-rings, C-clips, snap
rings, springs, and mounting buttons. These are under tension and could fly off.
1RTC option board
2Main logic board (MLB)
5Standoff body (2)
7Locking tabs (2)
9J1 on RTC board
St andof f