Mec Speed Level Series Service & Parts Manual page 177

Secton 10 - Schematcs
3084RT Diesel - Lower Control Box Electric Schematic
SCHEMATIC SCHEMATIC
Model: / Serial # Model: / Serial #
3084 | Serial #11800025 - UP
Lower Control Box - Diesel
Reference Art #: Publication Art #:
none
GP400
MICROPROCESSOR
ALL CIRCUITS 12 V ONLY
P1
CAN BUS H P1-1
CAN BUS L P1-2
GROUND P1-3
P4
CHOKE / PREHEAT P4-1
STARTER P4-2
THROTTLE P4-4
P4-5
P4-6
ALTERNATOR EXCITER P4-7
IGNITION P4-8
REAR WHEEL BYPASS VALVE P4-10
PROPORTIONAL VALVE P4-12
DOWN VALVE 1 P4-14
P5
MANIFOLD & MISC
LIFT VALVE P5-1
STEER RIGHT P5-2
P5-3
STEER LEFT
DRIVE FORWARD P5-4
DRIVE REVERSE P5-5
ALARM P5-6
HIGH TORQUE P5-7
HIGH SPEED P5-8
HOUR METER P5-9
START INHIBIT WARNING P5-14
P6
BACK PITCHING VALVE P6-1
FRONT PITCHING VALVE P6-2
RIGHT ROLLING VALVE P6-3
LEFT ROLLING VALVE P6-4
AXLE LOCK VALVE P6-13
GENERATOR P6-15
P7
BASE & LOWER CONTROLS
VALVE SUPPLY P7-1
BASE SELECTED P7-2
UP SWITCH P7-3
PLATFORM SELECTED P7-4
DOWN SWITCH P7-7
CHOKE / PREHEAT IN P7-10
START IN P7-12
OIL PRESSURE SWITCH P7-13
P8
Load Sense (CE)
ELEVATION TRANSDUCER P8-2
CE ELEVATION P8-5
ANALOG IN P8-6
TBM ANALOG IN
P8-9
GROUND
P8-13
GROUND P8-14
GROUND P8-15
TERMINAL BLOCK
MODULE (TBM)
B+
1
2
3
4
B−
15
Page 170
3084RT DIESEL
ART_3197
LOWER CONTROL BOX
414
413
412
124
120
125
16
19
417
333
105
204
107
108
111
110
37
313
213
411
36
75
76
77
78
152
225
1
405
406
404
409
24
450
21
43
407
42
117
15
1
404
405
117
408
36
Speed Level Seres - Servce & Parts Manual
E-STOP
415
DOWN DIODE
ASSEMBLY
1 2
105 105
BASE/PLATFORM
SELECT
404
515
405
UP
406 405
START
450
DOWN
409 405
PREHEAT
24
405
411 HOUR METER
START DISABLE
January 2019
408
EMERGENCY
DOWN
105
408
15A
BREAKER
ALARM
37
15
J1
1
414
413 2
412 3
124 4
5
120
6
125
7
22
8
23
9
16
10
19
417 12
13
333
105 14
15
204
107 16
17
108
18
111
19
110
313 20
21
213
75 25
26
76
77 27
28
78
34
152
36
225
407 38
40
21
42
43
44
42
55
15
57
515
58
415
59
15
1 60
1
61
64
15
65
15
66
15
67
15
J2
408
15