Geely EC718, EC718RV, EC715, EC715RV. Manual part — 158
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 158
2.11 Starting / Charging System
JL4G18-D
2.11.1 Specifications
2.11.1.1 Fastener Tightening Specifications
Applications
Model
Specifications
Metric (Nm)
US English (lb-ft)
Battery Cable Nut
M6
8.5-12
6.3-8.9
Battery Bracket To Battery
Stud Nut
M6
7.5-10.5
5.6-7.8
Battery Terminal Bolt
M6 × 34
8.5-12
6.3-8.9
Battery Upper Bracket Bolt
M10 × 1.5 × 20
13
9.6
Generator Drive Shaft Nut
M24
100
74
Generator Upper Mounting Bolt
M8 × 30
20-30
14.8-22.2
Generator Screw
M10 × 1.25 × 72
44-64
32.6-47.4
Starter Electromagnetic Switch
Assembly Screws
M6 × 28
8
5.9
Starter Solenoid Switch
Terminal To Battery Cable
Terminal Nut
M13
10
7.4
Starter To Engine Block
Mounting Bolt
M10 × 1.25 × 60
37
27.4
Starter To Transmission
Mounting Bolt
M10 × 1.25 × X80
37
27.4
2.11.1.2 General Specifications
Battery Specifications
Applications
Specifications
Cold Start Current
400 A
Rated Capacity
60 A/h
Rated Voltage
12 V
Start Motor Specifications
Applications
Specifications
Starter
No-Load Test (12.2 V )
40-90 A
No-Load Test Power Consumption
0.5 kW
Engine
Starting / Charging System JL4G18-D
2-547
Applications
Specifications
Drive Gear Speed
2,600-4,800 rpm
Solenoid
Coil (12.2V)
35 A
Suction Coil (12.2V)
35 A
Generator Specifications
Applications
Specifications
Current
90 A
Model
JFZ1906
2-548
Starting / Charging System JL4G18-D
Engine
2.11.2 Description and Operation
2.11.2.1 Battery Description and Operation
Warning!
Refer to "Battery Acid Fluid" in "Warnings and Notices".
This vehicle uses uses a maintenance-free battery, which is
different from a conventional battery. There is no vent plug in
this battery. Apart from a small vent on both sides of batteries,
the battery is completely sealed. Vent holes can discharge a
small amount of gas generated by the battery. The electrolyte
inside the battery generates a small amount of gas after
chemical reactions. If there is no exhaust vent, battery internal
pressure increases as the gas pressure increases. When the
pressure is over limit that the battery shell can withstand, the
battery shell will break.
Compared with a conventional battery, this battery has the
following advantages:
–
No need to fill water during the life of the battery.
–
Overcharge protection.
–
Electricity leakage is less likely to happen as compared with
a conventional battery.
–
Lighter, smaller and capacity is larger.
In the entire electrical system, battery has main functions:
–
Provide energy to the starter for starting the vehicle.
–
Play a role as the electrical system voltage regulator.
–
When the generator electrical system capacity can not
meet the demand, the battery can provide power in a
certain period of time.
Battery technical parameters explained:
1. Rated capacity: Witt the minimum output of electrical loads
and without generator power, the time the vehicle drives at
night.
2. Cold start current: Starting current when the battery
temperature is -18°C.
If the battery test is normal, but the battery voltage often
appears inadequate, the vehicle can not start at night etc.,
consider the reasons from the following aspects:
–
Electrical equipment in the vehicle remain turned on all
night.
–
Driving speed is low, stop and start frequently.
–
Vehicle electrical load exceeds the generator output,
especially if the vehicle is equipped with aftermarket
equipments.
–
Charging system fault, such as electrical short circuit,
generators belt slipping, generator malfunction or voltage
regulator malfunction.
–
Improper use of the battery, including failed to maintain
battery cable terminals clean and tighten, or the battery
bracket is loose.
–
Mechanical failure in the electrical system, such as short
circuit or circuit damage.
2.11.2.2 Starting System Description and
Operation
Starting system includes the battery, ignition switch, starter,
starter relays and related circuits, all of these parts are
connected by circuits. When the ignition switch is turned to "ST"
position, the starter relay pull-in and provides power to starter
motor magnetic switch, starter motor runs. For specific control
principle. Refer to
Starting System Working Principle
2.11.2.3 Charging System Description and
Operation
Charging system includes the battery, generator, instrument
cluster and relevant circuits. Generator consists of the voltage
regulator, rectifier, stator and rotor, which are all installed inside
the generator housing. When the engine rotates, the drive belt
drives the generator to rotate. The generator rotation generates
an alternating current, which is converted to a direct current by
the diode rectifier and then transmitted to the charging system.
Voltage regulator automatically adjusts the generator field
current to control voltage output to keep it within the appropriate
charging range. For detailed working principle. Refer to
the
Charging System Working Principle
.
Charging Process:
1. Remove the sealed-type battery from the vehicle and install
proper adapter components. Make sure that all the
charging cables are clean and firm. To achieve best results,
charge the battery when the electrolyte and electrode are
at room temperature. If the battery temperature is too low,
the charger may not start charging after a few hours.
2. Charge the battery until the battery is full or the tested
battery voltage is close to full load capacity. Check the
battery every half an hour during charging.
3. Test the battery load after charging. Refer to
Battery Discharging Current Parasitic Load Test
.
Engine
Starting / Charging System JL4G18-D
2-549
Charge a fully discharged battery (off the vehicle):
Strictly abide by the following procedure, otherwise a good
battery might be mistakenly replaced .
Follow the following procedures, charge a fully discharged
battery:
1. Measure the battery terminal voltage with a precision
voltage meter. If the reading is less than 10 V, the charging
current will be low. The battery can only be charged with
more than a few mA of current after a certain period of time.
2. Set the battery charger at a high value.
3. Continue to charge the battery, with 16V charging voltage
for more than 4 hours:
•
If after 4 hours, there is still no charging current. The
battery should be replaced.
•
If there is charging current, then the battery intact.
Continue to charge the battery until it is fully charged.
2-550
Starting / Charging System JL4G18-D
Engine
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