TM-9-2320-273-10

TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; OPERATOR’S MANUAL

DECEMBER 2012

TM-9-2320-273-10 - Page 105 of 452

Table 5. Tachograph

.

1

RPM

HAND

RPM

HAND

MPH

HAND

MPH

HAND

CLOCK

HANDS

KEY

1

M915 THROUGH M920

M915A1

CHART

Figure 5. Tachograph.

Key

Control/Indicator

Function

1.

Tachograph

The Tachograph, located on the instrument panel to the

right of the instrument cluster, indicates and records the

following data on a 7-day graph chart:

Ground speed is indicated by the mph hand.

Engine speed is indicated by the rpm hand.

Distance traveled is indicated in miles on the odometer.

Hours and minutes are indicated by analog clock hands.

CAUTION

Do not operate tractor without tachograph chart

installed or damage to tachograph will result.

The chart is replaced by opening the front of the

tachograph. Insert key in bezel lock and turn key

counterclockwise until tachograph can be opened.

Swing tachograph down to its horizontal position and

remove and replace the chart. Ensure new chart is

seated prior to closing.

TM 9-2320-273-10

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