Dongfeng DFA1101GZ5AD6J-907. Manual — part 65
Electric and Instrument
EL-16
Instruments
Structure
This part consists of air pressure meter, fuel meter, water temperature meter, tachometer and speedometer.
Name of the indicators and warning lights
Electric and Instrument
EL-17
Instrument Panel
Technical parameter and function
Technical parameter
Constitution and function
The instrument panel assembly is consisted by speedometer, tachometer, water temperature meter, fuel
meter, warning system (14 warning indicator), and matched with the sensor and warner.
Disassembly
Speedometer (km/h)
0~140
Tachometer (r/min)
0~5000
Fuel meter
0-1/2-1
Water temperature meter ( ℃ )
40-80-100-120
Nominal voltage (V)
24
1.Panel assembly
2.Speedometer
3.Washer
4.Self-tapping screw
5.Warning lamp pattern piece
6.Big case
7.Soft printed circuit board
8.Nylon rivet
9.Speedometer lighting bulb holder
10.Small warning signal lamp bulb
holder assembly
11.Big warning signal lamp holder
12.Oil pressure gauge assembly
13.Fuel level gauge
14.Water temperature gauge
15.Small gauge transition
connector
16.Electronic tachometer
17.Washer
18.Self-tapping screw
19.Spring washer
20.Screw
21.Spring washer
22.Screw
23.Small gauge voltage drop
resistor
Electric and Instrument
EL-18
Disassembly
Pull out connectors and the flexible shaft, and then detach wires connected with the electronic tachometer before
removing the instrument panel assembly.
1.Remove the speedometer after detaching 3 tapping screw.
2.Pull out bulb when turning the bulb holder counter clockwise to make it aligned with the notch.
3.The voltage drop resistors of small meters are also tightened by tapping screws so that they can be removed.
4.The wire connectors of the speedometer are connected to the big case by the tapping screws and they can be
pulled out after removing the bulb holder and loosening screws. When assembling, fit lamps by passing
through the circuit board or by removing all the warning lamps first, connect wires and fit the lamps.
5.The circuit board is riveted to the case, so pull it out by force when detaching.
6.After removing the big case, the pattern pieces can be removed because they are stuck with glue which will not
dry. But they should be put in appropriate positions when assembling.
7.Remove meters after loosening screws at the back of the big case. Fit it carefully when assembling to avoid the
bad fit between transition connecting parts and the big case.
8.Take out the circuit board only after all the bulbs and screws are removed.
Instruments replacing
The speedometer and tachometer can be replaced directly after disassembling according to the above
method. The three small meters can be replaced after the transition connecting parts have been removed which
should be fit and tightened after the meters are replaced.
Reassembly and check
Reassemble the removed parts in the reverse order of removal and tighten screws when reassembling. Check
if there is any part assembled wrongly or any scratches, damages and so on. Then attach the connectors, the
tachometer wires and the flexible shaft of the speedometer. Assemble the instrument panel assembly and operate
it for a while to see if the meters work normally.
Notice
Attach connectors A and B appropriately and note if the voltage of the electric system is connected.
Stop the vehicle to check immediately if the warning indicator illuminated and something troubled
happened.
The light spring washer and washer of the small meters should be copper plated or galvanized.
Meters on the instrument panel should be matched with appropriately specified sensors.
The speedometer assembly and the big case are connected with panel by tapping screws, so please be careful
when assembling and disassembling in order to avoid damages of the tapping thread and result in loose
connecting.
Trouble analysis
Trouble
Cause
Method
Warning lamps
does not go on
Bulb holder slackened
Tighten the holder
Bulb damaged
Replace bulb
Wire slackened
Connect wire or tighten
Warning sensor damaged
Replace
Illuminator
does not go on
or in bad condi-
tion
Power of the bulb is over sufficient, insufficient or the bulb is aging. Replace
Holder is not tightened or bulb is damaged.
Tighten or replace
Wire slackened or broken
Tighten, connect
Electric and Instrument
EL-19
Speedometer
Dial description
The speedometer needle indicates the vehicle speed in kilometers per hour. The odometer indicates the accu-
mulated driving distance in kilometers.
The trip odometer indicates the distance driven per day or driving distance between specified regions. Firmly
press the reset knob to reset the meter indicator to zero and then release it before using this speedometer. The red
figure at the far right with the white background indicates readings in units of 0.1km.
Note:
Do not press the reset button during the driving period.
Do not pull or turn the reset button when press it.
Technical parameter
Type
Magnetic inductive
Speed indicator range (km/h)
0~140
Mileage counting figures (km))
Total
99999
Sum
999.9
Speed ratio
1:625
Connector thread
M18 × 1.5
The inner square hole of drive (mm)
2.6C × 2.6C
+0.12
11 +0.06
+0.12
11 +0.06
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