Doosan D50S-5 Operation & Maintenance Manual page 123

8. 8. The direction of travel will change automatically The direction of travel will change automatically
when the vehicle speed is reduced as much as when the vehicle speed is reduced as much as
the pre-selected speed in the controller. the pre-selected speed in the controller.
Bring the loaded lift truck to a complete stop Bring the loaded lift truck to a complete stop
before changing travel direction. before changing travel direction.
Changing travel direction while traveling may Changing travel direction while traveling may
cause the lift truck to lose the load or tip over. cause the lift truck to lose the load or tip over.
9. 9. When the direction change is completed, When the direction change is completed,
continue to push down on the accelerator pedal continue to push down on the accelerator pedal
to obtain the desired travel speed. to obtain the desired travel speed.
The transmission of your lift truck may be reversed The transmission of your lift truck may be reversed
under full power up to a travel of 6.0 km/h (3.73 under full power up to a travel of 6.0 km/h (3.73
mph). But the Inhibit Speed of Auto Shift is set by mph). But the Inhibit Speed of Auto Shift is set by
the factory at 4~5 km/h (2.5~3.2 mph) because the factory at 4~5 km/h (2.5~3.2 mph) because
reversing the transmission at lower travel speeds reversing the transmission at lower travel speeds
prolongs the lift of the transmission, axle shafts and prolongs the lift of the transmission, axle shafts and
tires. tires.
Two-Speed Auto Shift Control Two-Speed Auto Shift Control
While traveling forward with the high speed gear, While traveling forward with the high speed gear,
that is, 2nd gear selected, the ASC-204 /202 can that is, 2nd gear selected, the ASC-204 /202 can
upshift or down-shift the transmission automatically upshift or down-shift the transmission automatically
according to the vehicle speed by its own speed according to the vehicle speed by its own speed
ratio control so that the appropriate gear may be ratio control so that the appropriate gear may be
engaged in every situation. engaged in every situation.
Two-Speed Auto Shift Control function can be Two-Speed Auto Shift Control function can be
accomplished only when the direction control lever accomplished only when the direction control lever
is placed in the high speed (2nd gear) po is placed in the high speed (2nd gear) position.
WARNING WARNING
NOTICE NOTICE
NOTICE NOTICE
sition.
In the manual mode, direction inhibition function In the manual mode, direction inhibition function
can not be operated normally. The sudden can not be operated normally. The sudden
reversal of a loaded lift truck traveling forward reversal of a loaded lift truck traveling forward
can cause the load to fall or the lift truck to tip can cause the load to fall or the lift truck to tip
over. over.
1. 1. Park the lift truck in a designed service area. Park the lift truck in a designed service area.
2. 2. Lower the lift truck's forks or lode engaging Lower the lift truck's forks or lode engaging
attachment to the travel surface, shift the attachment to the travel surface, shift the
direction control lever to NEUTRAL, engage the direction control lever to NEUTRAL, engage the
parking brake, shut OFF the engine and remove parking brake, shut OFF the engine and remove
the key. the key.
3. 3. Turn OFF the electrical disconnect switch, if Turn OFF the electrical disconnect switch, if
equipped. Chock the front and rear tires to equipped. Chock the front and rear tires to
prevent unintentional movement of the lift truck. prevent unintentional movement of the lift truck.
4. 4. Remove the Controller cover plate screws and Remove the Controller cover plate screws and
cover plates. cover plates.
5. 5. Locate the FWD/RVS selection switch (1) and Locate the FWD/RVS selection switch (1) and
the High/Low(H/L) selection switch (2) on the the High/Low(H/L) selection switch (2) on the
printed circuit board. printed circuit board.
6. 6. Move Move the the switches switches
Automatic(AUTO) Automatic(AUTO)
Manual(MANUAL) operation. Manual(MANUAL) operation.
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as as indicated, indicated, up up for for
operation operation or or down down for for
Operation Section Operation Section