Honeywell Thor VM3A, User Manual

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Thor VM3A Vehicle-Mounted Computer 7
The VM3A uses an 8A time delay (slow blow) fuse that is externally accessible and
user replaceable. The fuse is located on the back of the dock and is accessed by
unscrewing the cap.
Should the fuse need replacement, replace with similar type or rating of the below
fuse specs:
• Littelfuse 0215008.MXP,
• Cooper Bussmann BK1/S506-8-R,
• Bel Fuse 5HT 8-R,
• or equivalent.
Disconnect the UPS Battery
Equipment Required
The following equipment is user-supplied:
• Torque tool capable of measuring inch pounds
• #2 Phillips screwdriver bit
Disconnect Procedure
1. For convenience, the VM3A can be removed from the dock, though it is not
necessary. If the VM3A remains in the dock, disconnect the power cable from
the dock.
2. Press and hold the Power button until the options menu appears. Tap Power
Off .
3. If the computer was removed from the dock, place the computer face down on a
stable surface.
4. Using a #2 Phillips bit loosen the M3 screws and then remove the tethered
access panel with the SD socket label.
5. Push the Shipping Mode Button to disconnect the UPS. The UPS battery
maintains its charge but is disconnected from the power circuitry of the
computer.
6. Reattach the access panel, torque the M3 screws to 4-5 inch pounds using a
#2 Phillips bit.
Caution: Fuse has voltage on it even when power is Off. Always disconnect
input power before changing the fuse.
Caution: The UPS battery must be disconnected before you ship the Thor
VM3A, Replace the UPS Battery , or Maintenance - Vehicle Mounted
Devices .