26
2.14- THE HOPPER DOOR DOES NOT OPEN (ONLY MODEL SR 1300)
Additional comment: the hopper goes normally up and down
T
T
T
Trrrro
o
o
ou
u
u
ub
b
b
blllle
e
e
e ss
s
sh
h
h
ho
o
o
oo
o
o
ottttiiiin
n
n
ng
g
g
g
a
a
a
a)))) Use the joystick and simultaneously press the red button C
C
C
C1
1
1
13
3
3
3; if the
hopper door doesn’t open, go on with the next inspections
b
b
b
b)))) Check the fuse on the jack motor M
M
M
M1
1
1
11
1
1
1; on older machines the fuse could
be inside the electronic board compartment, connected in series with the
grey wire (pin 4 of the electronic card S
S
S
SK
K
K
K4
4
4
4 connector C
C
C
CN
N
N
N2
2
2
2)
c
c
c
c)))) Check the efficiency and the electric connections of the red button C
C
C
C1
1
1
13
3
3
3
and of the joystick (pin 3 of the electronic board S
S
S
SK
K
K
K4
4
4
4 connector C
C
C
CN
N
N
N1
1
1
1)
d
d
d
d)))) Check the electric connections between the jack motor M
M
M
M1
1
1
11
1
1
1 and the
electronic card S
S
S
SK
K
K
K4
4
4
4 (see TSB IT 2000-012 in Section 5)
e
e
e
e)))) Check the function of the jack motor, which consists of the electric motor
M
M
M
M1
1
1
11
1
1
1 and the two internal end of stroke microswitches; if the jack motor is
not equipped with a 3 Amp fuse, look for a suitable fuse holder and mount it
in series with one of the two motor M
M
M
M1
1
1
11
1
1
1 electric wires (see also TSB IT
2000-012 in Section 5)
ffff) If the jack motor operates, replace the electronic board S
S
S
SK
K
K
K4
4
4
4
2.15- THE HOPPER IS NOT GOING DOWN (ONLY MODEL SR 1300)
C
C
C
Ca
a
a
ass
s
se
e
e
e N
N
N
N°°°° 1
1
1
1: you cannot hear the hydraulic pump turning
T
T
T
Trrrro
o
o
ou
u
u
ub
b
b
blllle
e
e
e ss
s
sh
h
h
ho
o
o
oo
o
o
ottttiiiin
n
n
ng
g
g
g
a
a
a
a)))) Use the joystick and simultaneously press the red button C
C
C
C1
1
1
13
3
3
3
b
b
b
b)))) If the hopper is not going down, check the efficiency and the electric
connections of the red button C
C
C
C1
1
1
13
3
3
3 and of the joystick (pin 2 of the electronic
card S
S
S
SK
K
K
K4
4
4
4 connector C
C
C
CN
N
N
N1
1
1
1)
c
c
c
c)))) Check the electric connections between the hydraulic pump electric
motor M
M
M
M1
1
1
10
0
0
0 and the electronic card S
S
S
SK
K
K
K4
4
4
4
d
d
d
d)))) Check the 24 Volt feeding between the terminals (+) and “GND” of the
electronic card S
S
S
SK
K
K
K4
4
4
4
e
e
e
e)))) Take a functional test of motor M
M
M
M1
1
1
10
0
0
0 by applying a 24 V voltage first on
black and green wires and then on black and blue wires as shown in Draw.
1. (Warning: use a protection fuse)
Summary of Contents for SR 1100 P/B
Page 1: ...SR 1100 P B SR 5110 P B S30N1100 1 2002 01 MANUALE DI ASSISTENZA SERVICE MANUAL ...
Page 21: ...SERVICEMANUAL SWEEPING SYSTEM GB S30N1100 1 2002 01 83 Figure 12 S300160 ...
Page 55: ...SERVICEMANUAL ELECTRICAL SYSTEM GB S30N1100 1 2002 01 117 Figure 4 S300146 ...
Page 57: ...SERVICEMANUAL ELECTRICAL SYSTEM GB S30N1100 1 2002 01 119 Figure 5 S300146 ...
Page 69: ......