Chapter 4: Maintenance
64 M47-17027-EN
Remove and install base covers
To perform any maintenance on the electrical panel or HPS it is necessary to remove one or more of the
base covers. Refer to the following procedures to remove covers as needed for a given maintenance task.
The only equipment required is a 4 mm hex key (supplied).
To remove the front cover:
1. Be sure all cables are disconnected from the 59 Series control unit on the right side of the base.
2. Loosen the two button head cap screws (4, Figure 14) on each side of the front cover. It is not
necessary to remove the cap screws, just loosen them enough to remove the cover.
3. Carefully pull the front cover (1) forward to remove it.
To install the covers, perform the above procedures in reverse. Tighten all cap screws until fully seated
plus one-quarter turn.
To remove one or both side covers:
1. Loosen the two button head cap screws (4, Figure 14) from the appropriate side of the front cover. It
is not necessary to remove the cap screws, just loosen them enough to remove the cover
2. Slide the side cover (2) toward the rear to remove it.
To install the covers, perform the above procedures in reverse. Tighten all cap screws until fully seated
plus one-quarter turn.
To remove the rear cover:
1. Loosen and remove the six button head cap screws (5, Figure 14) from the rear cover.
2. Remove the rear cover (3) from the base.
To install the covers, perform the above procedures in reverse. Tighten all cap screws until fully seated
plus one-quarter turn.
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