AF008-02-1201
6
Number
Issue
Date
CN Number
1
2-
2
17-01-07
22933
Compiled
By:
S.Mynott
Date
Compiled:
08/08/06
MIT5XX/10XX
1
st
Used On:
SERVICE MANUAL
2.2 Disassembly is reverse of assembly.
1. Unscrew front panel.
2. If the front panel is to be removed from the module housing base, disconnect the battery and isolation transformer cables from
the power board assembly, otherwise rest the front panel down beside the module housing case.
3. Unscrew the module housing cover. If the module housing is to be removed, pull off the three crimped wires screwed down on
the module housing cover from their respective tabs on the measurement and ‘HV’ board. Otherwise angle the module housing
cover towards the lid and rest it on the module base.
4. To remove the measurement board, remove all crimped wires attached to measurement board, disconnect ribbon going to ‘HV’
board and then unscrew the measurement board from ‘Hv’ board spacers. Remove measurement board.
5. To remove the ‘HV’ board disconnect the crimped wires from the isolation transformer and unscrew from case bosses. Remove
‘HV’ board.
6. To remove the isolation transformer, disconnect 2 way Molex connector from power board, cut mounting cable tie, and pull off
panel mounted cable tie securing ferrites.
7. To remove battery, disconnect battery cable to power board, and slide it out of the battery housing compartment.
8. To remove power board assembly, disconnect all cables left on the power board. Unscrew the board from front panel bosses.
9. To remove display board assembly, remove all ribbon, and unscrew the board from front panel bosses.
10. To remove keyboard, unscrew from front panel.
11. To move serial ‘coms’ board, unscrew fixing plates and slide board from boss guides.
2.3 Assembly Numbers.
MIT510 insulation tester 6411-093
MIT1020 insulation tester 6411-092
Mechanical Drawing Assembly PDF No. 6411-092
MIT510/1020 keyboard PCB 5240-432
MIT510/1020 power PCB 5240-431
MIT510 high voltage PCB 5240-430
MIT1020 high voltage PCB 5240-429
MIT510/1020 measurement PCB 5240-428
MIT510/1020 display PCB 5240-433
MIT510 serial interface PCB 5140-988
MIT520/1020 serial interface PCB 5140-987
Assembly Drawing List
6430-861 MIT510/1020 Display Board Assembly.
6231-756 MIT510 Serial Interface Board Assembly.
6231-758 MIT520/1020 Serial Interface Board Assembly.
6231-716 MIT510/1020 Key Board Assembly
6331-804 MIT510/1020 Power Board Assembly.
6430-865 MIT510/520 5kv Module Assembly.
6430-864 MIT1020 10kv Module Assembly.
6231-766 MIT510/1020 Isolation Transformer.
Cable Forms WACL 6140-388
Keyboard to Display board 30 way ribbon 13497-095
Power board to Display board 14 way ribbon 13497-100
Serial board to Display board 14 way ribbon 13497-100
HV board
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