Electric System
EL-22
Tachometer
Dial description
The needle of the electronic tachometer indicates the engine speed in revolu-
tions per minute. The red zone indicates the range of the critical engine speed.
Strictly be sure to always keep the indicator below this critical zone. The green
zone indicates the most economical engine operation. Driving within this green
zone will save fuel and extend the engine life.
Technical specification
Constructional description
The electronic tachometer construction including:
The indication division: comprise of needle, dial
and so on.
The signal processing division: comprise of printed-
circuit plate and electronic parts.
The measuring mechanism: comprise of magnetic
steel, pole plate, pole ring, and needle shaft coil assem-
bly, bracket assembly, upper and lower bearing and so
on.
Auxiliary part: Base, housing, screws and electrical
connectors.
The needle seized
or failed that can
not return to zero
Grease on the magnet Clean out the grease
Hairspring deformed Replace meter
Wrong assembling of the needle (needle slack-
ened)
Tighten
There are impurities absorbed on the magnet of the
indication board.
Clean
The day distance
counter does not
work or can not
return to zero
Odometer drive pinion damaged Repair or replace
Return zero button damaged Repair or replace
Speedometer
noise
Speedometer bearing worn and damaged Replace meter
Speedometer gear lacks of lubricating and causing
worn
Fill with grease
Speedometer flexible shaft lacks of lubricating and
causing worn
Fill with grease
Type Moving coil
Range(r/min) 0~5000
Deflecting angle(º) 245
Min. graduation (r/min) 100
Accuracy level 1.5
Connector DJ7043-6.3-20 type, 4-cable combined socket
Trouble Cause Method
To Next Page
Loading...