MAINTENANCE
2-5
Page 12
TESCO EQUIPMENT LLC
ML50-30 MAINTENANCE LIFT
Figure 9
ELECTRICAL SCHEMATIC, OPTIONS - SHEET 7 OF 9
[THIS SWITCH REPLACES STD.
JUMPER WIRE FROM IGN TO 17]
6
203
IP
LS3
(CLOSED WHEN MICO BRAKE SET)
MICO [OPT]
120 -
PARK BRAKE
125
6
THIS WIRE INTERNAL
TO MICO CONTROL UNIT
-12V
LOWER E-STOP
UPPER E-STOP
LIFT MODE
[LIFT/DRIVE]
SW8
LIFT MODE
GC
203 -
204 -
UC
GC
SW9
SW10
221
GC5
GC6
UC1
UC2
-12V
NEUTRAL INDICATION
TCM
[ALLISON TRANSMISION]
(GROUNDED IN NEUTRAL)
CC4
EN
CC6-B
CC6-A
124 -
125 -
126 -
NEUTRAL
LOCK
NOTE: WHEN CIRCUIT IS OPEN TRANSMISSION IS LOCKED IN NEUTRAL
11
12
11
12
IGN
+12V
- 12V
42
(GROUND POWER CONNECTED)
CR20
GROUND
POWER
CONNECTED
GROUND POWER
CONNECTED
R
LTX
CR20
125
GP
IP
GROUND
POWER
WARNING
LIGHT
217 -
GROUND POWER
315 -
316 -
120VAC WHEN
GROUND POWER
CONNECTED
CR20
(GROUND POWER CONNECTED)
316
217
316
+120VAC
GROUND
41
42
34
33
A1
A2
42
+12V
306 -
BP
PS17
PLATFORM
EXTEND
-12V
BP
PS17-A
SW21
SW21-A EXTEND
AU-1
AU-4
PLATF INHIBIT
SOL9
PLATF EXT
BP
1
3
2
1
3
2
PLATF INHIBIT
LT-1
MB
R13
7
2
IGN
+12V
30
R13
87
8
6
CR4
CR6
(BRAKE SET)
(NEUTRAL)
LIFT MODE
86
85
120
118
MB
IGN
17
18
19
18
17A
17
IGN
+12V
(PARK BRAKE SET)
R14
(STABS STOWED)
120
207
R13
6
8
1
4
IGN
MODE
LIFT
IGN
J22
J6
14
J23
J25
OPTION FOR MICO BRAKE
OPTION FOR LIFT/DRIVE SWITCH
OPTION FOR NO VEHICLE MOVEMENT (NEUTRAL LOCK) WHEN GROUND POWER CONNECTED
OPTIONS
OPTION FOR PLATFORM EXTEND INHIBIT
1.5A
3.0A
Mar. 17
Property of American Airlines
