DRESSTA TD-25M EXTRA, Service Manual

Page: 291 / 595

ELECTRICAL
SECTION 8
Page 15
DRESSTA TD-25M EXTRA
WIRING DIAGRAM
Drive control system is provided with a LED array that presents the controller current operation
status which facilitates the controller diagnosis. Below find LED function description whose labeling
will be referred to later in this instruction.
•
D28
– service signal light that is used during the controller programming only;
•
L1
– ON, when the up shift button (
Up
) at the control lever is depressed;
•
L2
– ON, when the downshift button (
Dn
) at the control lever is depressed;
•
L3
– ON, when the drive train neutral lock lever is in locked position.
•
L4
– OFF, not used in SUREGRIP control lever;
•
L5
– OFF, not used in SUREGRIP control lever;
•
L6
– ON, when the LH switch is at the high range;
•
L7
– ON, when the RH switch is at the high range;
•
L8
– ON, when the machine moves forward – the WF forward motion sensor activated;
•
L9
– ON, when the machine moves reverse – the WR reverse motion pressure switch
will get activated;
•
L10
– not used
•
L11
– not used
•
L12
– ON, when the solenoid valve
EZR
is activated which means;
the machine operates at the high range (
L 6, L7 L13
and
L14
are ON also)
or
the machine has been operated at the high range straight on (
L6
,
L7
,
L12
,
L13
and
L14
were
ON
)
and with the LT left switch changed from the high to low range that is a gradual turn to the
left (
L13
,
L14
and
L6
came OFF while both
L15
and
L7
are still ON) and if the drive train
neutral lock lever is in unlocked position, (
L3
LED is OFF);
or
the machine has been operated at the low range straight on (
L15
was ON) and with the RT
right switch changed from the low to high range that is a gradual turn to the left (
L7
ON) and if
the if the drive train neutral lock lever is in unlocked position, (
L3
LED is OFF);
•
L13
– ON, when the solenoid valve
EZL
is activated which means;
the machine operates at the high range (
L 6, L7 L12
and
L14
are ON also)
or
the machine has been operated at the high range straight on (
L6
,
L7
,
L12
,
L13
and
L14
were
ON
)
and with the RT right switch changed from the high to low range that is a gradual turn to
the right (
L12
,
L14
and
L7
came OFF while both
L15 and L6
are still ON) and if the drive train
neutral lock lever is in unlocked position, (
L3
LED is OFF);
or
the machine has been operated at the low range straight on (
L15
was ON) and with the left
switch changed from the low to high range that is a gradual turn to the right (
L6
ON) and if the
drive train neutral lock lever is in unlocked position, (
L3
LED is OFF);
•
L14
– ON, when the machine operates at the high range,
L15
must not be ON;
•
L15
– ON, when the machine operates at the low range,
L14
must not be ON;
•
L16
– ON, when the 3rd gear was engaged,
L17
and
L18
must not be ON;
•
L17
– ON, when the 2nd gear was engaged,
L16
and
L18
must not be ON;
•
L18
– ON, when the 1st gear was engaged,
L16
and
L17
must not be ON;
•
L19, L20, L21
– are used to learn the machine type code (different wiring). Refer to
Table 8.1.