This procedure tells you how to install the positive ventilation kit. The kit includes a fan. The fan supplies positive air pressure to the spindle head. This keeps contamination out of the spindle head. Contamination decreases belt life.
OM Fan Kit, (P/N 93-0624)
Set the main circuit breaker to the OFF position. Lockout/Tagout the main circuit breaker.
Some Office Mill have an auxiliary fan . The fan is attached to the base of the Z-Axis cable carrier. Remove the auxiliary fan.
Remove the power cable for the fan.
Discard the auxiliary fan and the cable.
Remove the rear enclosure panel .