Tesco ML50-30 - Electrical Schematic, Lift & Stab. Control - Sheet 4 of 9; Figure 6

SYSTEM SCHEMATICS
2-5
Page 9
ML50-30 MAINTENANCE LIFT
TESCO EQUIPMENT LLC
Figure 6
ELECTRICAL SCHEMATIC, LIFT & STAB. CONTROL - SHEET 4 OF 9
LIFT UP [LOWER]
LIFT UP
LIFT UP
SOL5
[UPPER]
[LOWER]
MAX HEIGHT
(OPEN @ HEIGHT)
LOWERING ALARM
LIFT UP
LOWER ALARM
MOTION ALARM
STABILIZERS
STABILIZERS
ENABLE
STABL. RETRACT
STABL. EXTEND
SOL4
SOL3
PTO
SOL2
STABILIZERS
PTO
STABILIZERS
EXTEND
RETRACT
[UPPER]
[LOWER]
ENABLE
EXTEND
RETRACT
LIFT DOWN
LIFT DOWN
[UPPER]
UC
GC
EN
AG
MV
AG
MV
MV
CC
ALL
[OPT.]
250 -
251 -
252 -
253 -
254 -
255 -
256 -
257 -
258 -
259 -
262 -
260 -
261 -
263 -
264 -
265 -
266 -
267 -
268 -
269 -
270 -
271 -
272 -
273 -
274 -
275 -
276 -
+12V
IGN
+12V
SW12
SW13
SW14
SW15
SW14-B
SW14-A
SW15-A
SW15-B
SW15-C
SW16
SW17
SW18
SW19
-12V
PC-3
PC-4
GC-1
GC-2
AG-1
AG-2
AG-4
AG-3
HIGH THROTTLE
105
PC-3
GC-1
PC-3
GC-1
PC-6
GC-4
GC-3
PC-5
UC
GC
UC
GC
UP INHIBIT
261
LIFT DOWN
SOL6
LIFT DOWN
SC
-12V
(PLAT. RETRACTED)
LT-3
BP
UC-6
UCS3
UC4
UC5
THROTTLE INHIBIT
254
MODE
LIFT
UC3
LS14
BP
13
2
PLAT RETRACTED
LS15
BP
13
2
PLAT RETRACTED
265
PLAT RETRACTED
302
273
G
273
G
[OPT.] LIFT W/O STABL'S
(OPEN @ HEIGHT)
LS15
BP
9
S1
S2
315
F
321G
320F
319E
(STABL'S EXTENDED)
CR7
ALL MOTION
ALARM [OPT.]
(BODY DOWN)
C
6
8
R16
COMPRESSOR [OPT.]
213
209
D
272
317
250
D
ALARM [OPT.]
ALL MOTION
IGN
LIFT
MODE
30
87
(DOWN CONTROL
ACTIVE)
CR9
269
30
87A
28
28
28
- 12V
S11
S10
S3 S4
S5 S6
- 12V
THROTTLE
CR10
MB
86 85
29 30 31
LIFT
LIFT
LIFT
33
33
34
UP INHIBIT
CR9
MB
86 85
S7 S8
- 12V
MAIN BOX
MAIN BOX
31
32
UPPER
J3
J20
J19
J18
J17
DX
MB
28
86 85
33
THROTTLE INHIBIT
CR5
MB
267
(THROTTLE INHIBIT)
87A
CR5
30
LOWER
J14
F
126
COMPRESSOR INHIBIT
COMPRESSOR INHIBIT
COMPRESSOR INHIBIT
33A
D5
MB
D6
MB
OIL OVERHEAT
87a
30
CR17
323
CR11
273
30
87
PLATFROM
CR11
MB
86 85
RETRACTED
PLATFROM
CR12
MB
86 85
RETRACTED
CHASSIS
CHASSIS
Black
White
Rd/Wy Bd/Yl
Brown Black
Blue
THESE CONNECTIONS MADE AT UPPER CONTROLS
WAS FOR PBU OPTION
REMOVE FOR ALL MOTION ALARM
RELOCATED FROM LINE 205
PTO REQUEST
0.2A
3.0A
4.0A
4.0A
4.0A
7.2A
7.2A
7.2A
4.0A
4.0A
7.2A
4.0A
3.0A
0.2A
1.0A (?)
6.0A
6.0A
0.2A
0.2A
0.2A
0.2A
Mar. 17
Property of American Airlines