Volvo MD22L Owner's Manual download pdf (Page 11)

Instruments

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Instrument panel De luxe

*Note. Rev. counter with built-in hour counter is optional.

Instrument panel (standard)* with key switch

*Note. Rev. counter with built-in hour counter is optional.

Warning display

8910

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There are two types of instrument panels, “Standard” and

“De luxe”.

Standard

1. Rev. counter

The rev. counter shows the engine speed. Multiply the

value by 100 to calculate revolutions per minute.

Full throttle: operating range,

MD22: 3200–4000r/min.

MD22L: 2700–3000 r/min.

TMD22 : 4100–4500 r/min.

2. Hour counter

Shows the engine operating time in hours and tenth of an

hour.

3. Alarm (siren)

Sounds when lubricating oil pressure is too low

(engine), when coolant temperature is too high or

there is a loss of charge.

4. Warning display

The display has four “windows”. If the acoustic alarm

comes on, one of windows “A −C” starts to blink (red)

to show the cause of the alarm.

A. Coolant too hot. Reduce the speed to idling (in

neutral) until the temperature decreases.

Investigate the cause of the alarm (e.g. restrict-

ed water supply to the engine). Stop the engine if

the temperature does not decrease.

B. Lubricating oil pressure too low. Stop the engine

immediately and locate the cause of the alarm.

C. Alternator not charging.

D. Pre-heating (indicator lamp comes on when glow

plugs are on).

NB. This lamp also works as a filament guard for

the glow plugs. This will also be lit when the key

switch is in position I (operating position) if there is

a fault in the system (break).

Lamp Test (before starting):

All the warning lights will be on but will not flash (for a

maximum of 20 seconds) after the key switch has

been put in the “Running” position (I). The warning

light for high coolant temperature (A) will then go off.

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Volvo MD22L Owner's Manual Page 11

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