RKI Instruments Pioneer 4W - Manual (Page 41)

Pioneer Gas Monitor Operator’s Manual Maintenance • 37
Replacing the DC Fuse
This section describes the procedure to replace the DC fuse.
1. Turn off or unplug all incoming power to the Pioneer at the power source end.
2. Place the Pioneer’s power switch in the OFF position.
3. Open the housing door of the Pioneer.
4. Remove the DC fuse from the clip holder.
CAUTION: Verify that the replacement fuse is the same type and rating as the fuse you are
replacing.
5. Install the appropriate replacement fuse into the clip holder.
6. Plug in or turn on all incoming power to the Pioneer at the power source end.
7. Place the Pioneer’s power switch in the ON position, then verify that the PILOT light
is on.
8. Close and secure the housing door.