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[1] DISASSEMBLY/ASSEMBLY FOR DC1851

[1] -1. Terminal unit and Charger case complete 

Fig. 1

CAUTION: Disconnect the charger from the power source for safety before repair/ maintenance! 

DC1851 has two different kinds of specifications. Distinguish them by name plate

“DC1851” and “DC1851 U” and follow each insturction. Do not use the different

parts in repair. 

DISASSEMBLING

1. Turn Charger upside down and remove

four tapping screws.

2. Turn Charger over again and open Charger case complete

from rear side.

Charger case complete

Terminal unit

Charger case cover

*Open from

this side

Replace Charger case complete as drawn in 

Figs. 1 and 2

.

Note:

 Terminal unit is fully integral with Charger case complete.

           When it is necessary to replace Terminal unit, replacing 

           Charger case complete and Charging condition label is required.

Fig. 2

Charging circuit

Connector

3. When replacing Charger case complete;

(1) By pinching Push mount tie, remove it from Charging circuit.

(2) Remove Connector from Charging circuit.

Push mount tie

Pinch both levers of Push mount tie

when pulling it off from Charger circuit. 

Tapping screws

Indication of DC1851

Summary of Contents for Maktec DC1851

Page 1: ...ptimum Charging System Forced air cooling system Also note that it is not compatible with ADP01 Interchangeable adapter ADP02 Refreshing adapter ADP03 Automatic refreshing adapter ADP04 Interchangeable adapter PRODUCT DC1851 Charger Continuous Rating W Voltage V Cycle Hz Input Output Standby power W 100 240 220 240 110 120 Current A 50 60 50 60 41 41 50 60 41 0 3 0 3 0 3 The charging time may depe...

Page 2: ...d open Charger case complete from rear side Charger case complete Terminal unit Charger case cover Open from this side Replace Charger case complete as drawn in Figs 1 and 2 Note Terminal unit is fully integral with Charger case complete When it is necessary to replace Terminal unit replacing Charger case complete and Charging condition label is required Fig 2 Charging circuit Connector 3 When rep...

Page 3: ...ause of Battery charger trouble is the breakage of Varistor and Fuse you need not replace Charging circuit but simply replace Varistor and Fuse Sign of Varistor breakage Cracks exists in the surface of Varistor Cause of Varistor breakage Charger is plugged in a power source of two times or more than the rated voltage of Varistor Note If Fuse has burned out meanwhile Varistor is not broken somethin...

Page 4: ...e complete Charger case cover Open from this side Note Terminal unit is fully integral with Charger case complete When it is necessary to replace Terminal unit replacing Charger case complete and Charging condition label is required Terminal unit Tapping screws Indication of DC1851 U ASSEMBLING Assemble Charger case complete to Charger case cover by reversing the disassembly procedure Be sure to p...

Page 5: ...P 5 5 Repair 2 DISASSEMBLY ASSEMBLY FOR DC1851 U 2 2 Replacing Varistor and Fuse Neither Varistor nor Fuse is supplied for the repair When they have damages replace Charging circuit with a new one ...

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