Doosan D35S-5 Service Manual page 129

• Cold Cranking Ampere : It refers to the current that the battery can supply for 30 seconds with maintaining
the 7.2 V terminal voltage at a specific temperature.
• Reserve Capacity : It refers to the total time duration in which the battery can supply 25A current at a
temperature of 26.7°C with maintaining the min. terminal voltage of 10.5 V.
Pre-Heating System
Item
Preheating plug
D439E Service Manual
Rated voltage
Resistance
Temperature increase
Heater relay fuse
NOTE
It takes 8±1.5 sec to reach 800℃ when DC 23 V is applied.
The temperature should be 1050±80℃ at 30 seconds after
DC 23V is applied.
127
Specification
23 V
4 Ω
127 A
3. Engine Electrical System (D439E)