GE 489 Instruction Manual page 20

2.1 MECHANICAL
3. Grasp the locking handle in the center and pull firmly, rotating the handle up from the bottom of the unit until movement
ceases.
2
4. Once the handle is released from the locking mechanism, the unit can freely slide out of the case when pulled by the
handle. It may sometimes be necessary to adjust the handle position slightly to free the unit.
To insert the unit into the case:
1. Raise the locking handle to the highest position.
2. Hold the unit immediately in front of the case and align the rolling guide pins (near the hinges of the locking handle) to
the guide slots on either side of the case.
3. Slide the unit into the case until the guide pins on the unit have engaged the guide slots on either side of the case.
If an attempt is made to install a unit into a non-matching case, the mechanical key will prevent full
insertion of the unit. Do not apply strong force in the following step or damage may result.
CAUTION
4. Grasp the locking handle from the center and press down firmly, rotating the handle from the raised position toward the
bottom of the unit.
5. When the unit is fully inserted, the latch will be heard to click, locking the handle in the final position.
2-4
Figure 2–6: ROTATE HANDLE TO STOP POSITION
Figure 2–7: SLIDE UNIT OUT OF CASE
489 Generator Management Relay
2 INSTALLATION
GE Multilin