Printed in U.S.A 25 918215/CP0407
1448 PLUS INDICATORS AND CONTROLS
ACC (Accessory) Position ( ): When the key is
rotated counter-clockwise one position from
vertical. The paver accessory electrical circuit is
activated when the key is in this position.
Instrument Module
(Item 19, Fig. 3)
The instrument module is a multi-function
indicator monitoring four engine/system functions.
During power-up, the instrument module performs
a diagnostic self-test. During the self-test, the
module beeps for 3 seconds and the indicator lights
activate. When the self-test is complete, the lights
deactivate unless an error condition is detected.
IMPORTANT: If the engine oil pressure
indicator activates during normal operation,
STOP the engine immediately. Loss of engine
oil pressure could be an indication of
insufficient engine oil. See “Check Engine Oil
Level” on page 55.
Engine Throttle
(Item 16, Fig. 3)
The throttle controls engine speed.
To place the throttle into idle position, loosen
the throttle lock ring (G) by rotating it counter-
clockwise, push the red throttle release button (E)
and move the throttle control knob (F) all the way
in against the lock ring (G).
To increase engine speed, loosen the throttle lock
ring (G), press the red throttle release button (E)
and pull the throttle control knob (F) out.
For fine adjustment of the throttle, rotate the
throttle control knob (F) counter-clockwise to
increase engine speed; clockwise to decrease
engine speed.
To lock the throttle in position, rotate the throttle
lock ring (G) clockwise until it is tightened/
engaged.
NOTE: The throttle can be quickly placed into
the idle position by firmly pushing against the
throttle release button.
For normal operation, move the throttle release
button (E) and the throttle control knob (F) as a
unit to prevent undue wear to the throttle
mechanism.
Indicator Description
A - Battery
Charge
Indicator is activated if a
charge system fault is
detected. Activates if
system voltage is below
12V or over 15V.
B - Engine
Coolant
Temperature
Indicator is activated if
engine coolant temperature
exceeds 220° F (104° C).
Once activated, indicator
deactivates when coolant
temperature falls below
210° F (99° C).
C - Engine Oil
Pressure
Indicator is activated if a
significant loss in engine
oil pressure is detected.
D - Engine
Pre-Heat
Indicator is activated
during pre-heat. Pre-
heating is required under
cold starting conditions.
A
B
C
D
Fig. 6 - Instrument Module
E
Fig. 7 - Engine Throttle
F
G
Courtesy of Machine.Market
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