WEICHAI WD10 - 3217 Unstable Charging Voltage; 3218 Generator Overcharging; 3219 Generator Produces Abnormal Sound

Service Manual for WD10 Diesel Engine
30
3217 Unstable Charging Voltage
1. Rotor coil or stator coil is about to in
open circuit or short circuit
Repair or replace.
2. Bad contact of electric brush
Repair.
3. Loose terminals, bad contact
Repair.
4. Damaged voltage regulator
Repair.
5. Improperly adjusted voltage
Check and adjust.
3218 Generator Overcharging
1. Short circuit in battery
Repair or replace.
2. Too high regulator adjusting voltage
Repair and adjust.
3. Bad grounding of regulator
Repair.
4. Regulator contactor failure, or
contaminated. Disconnected voltage coil
or resistance wiring
Repair or replace.
3219 Generator Produces Abnormal Sound
Improperly installed generator
Repair.
Bearing damage
Replace the bearing.
Rotating part is interfered with fixed part
Repair or replace.
Short circuit of rectifier
Replace.
Short circuit of stator coil
Repair or replace.