SkyTrak 8042 Service Manual - Manual (Page 868)

10.27 Model 8042, 10042, 10054 Legacy Rev. 10/03
Stabil-TRAK™ System and Boom Interlock System
10054 Stabil-TRAK™ Electrical Circuit
SN 13198-17984
Boom Extend Mode 3 MODE 3 1. Ignition “ON” 4. PB Applied By Interlock Sys.
Conditions
2. Boom Below 40° 5. Trans. in Neutral By Interlock Sys.
3. Boom Extended Beyond 42 Foot Ext. Limit 6. Outriggers Lowered
Right
Outrigger
UP
Solenoid
Right
Outrigger DOWN Solenoid
Lef
t
Outrigger
UP
Solenoid
Secondar
y
Function Manifold
Park Brake
Solenoids
Pa
rk
B
ra
ke
Light
86 85
87A
87
30
51D
51C
51 PB B
PB
A
52
2K2
2K1
51B
51A
Park Brake Interlock Relay
70A
2B2
1
152A3
152A
152A2
107B
DE
E
86 85
87A
87
30
86 85
87A
87
30
86 85
87A
87
30
86 85
87A
87
30
E
86 85
87A
87
30
86 85
87A
87
30
86 85
87A
87
30
DE
C
86 85
87A
87
30
86 85
87A
87
30
86 85
87A
87
30
23
2R
Lower Transmission Connect
ors
Upper Transmission Connectors
ZF
Transmission WG 98
Y6
Y5
Y4
Y1
Y3
Y2
6 5 4 7 7 1 2 3
Y4
Y5
Y6 Y1
Y3
Y2
102B
2H
150B 101B 105B 104B 103B
2J
To Bac
k-
Up
Alar
m
31
150
103
102
104
105 101 150 103 104
102 105 101 150 103 104
2DD
104A
150A
103A
102A
101A
10A
To Fuel
Shutoff
+
+
40A
1
3C
7.5A
Park Brake Disengage Relay
153A
45
Park Brake Switch
Ignition Switch
26A
–
–
111
113A
113B
111 113
2CC
2AA
35
10A
7
39
SHIFTER
ZF
TRANSMISSION
9 8 7 6 5 4 3 2 1
FOR
W
ARD
NEUTRAL REVERSE
GEAR GEAR GEAR GEAR
B+ B+
153 105 101 150 103 104
102
112 113
102
45
114
112A
112
114A
24
10A
34
2BB
2EE 153
102B
112
113
2D
CONSOLE/ ST
ABILIZER
& ENGINE HARNESS
CONNECT
ORS
2HH
24A To Hor
n
114B
10
114A
FOR
W
ARD
REVERSE
F N R
Back-Up Alarm Relay
86 85
87A
87
30
48
SOL.
3
47
40B
St
abilizer
Lock Relay
Boom Switch Relay
47
28
SOL. 4A
SOL. 4B
SOL. 12A
SOL. 12B
40
28B
47B
28A
47A
40
1
40A
2M
2L
2N
2P
2K
DE
DIODE P
ACK
DIODE P
ACK
45
2T
7.5A
C
41B
45A2
152A1
40
47
28 28
42A
102A
105
105A
101
7.5A
3B
3
3
3C
3A
3B
7.5A
7.5A
Right
Outrigger Cylinder Pressure Switch
Lef
t
Outrigger Cylinder Pressure Switch
60A
45B
45A
41
41C
St
abilizer
Interlock Relay
St
abilizer
Lock-Up Relay
2C1
2C2
70C
2E
2D
2H
64
58
56A
56
7
35
Right
Outrigger Switch
Lef
t
Outrigger Switch
60
60B
60E
64
62
71
50B
Boom Extend Interlock Relay
71
66
Boom Extend Lockout Relay
65A
2B2
2B1
50C
55
58
57
56
2G
2F 62
61 Right Outrigger Lock Relay
Outrigger Lockout Relay
63
Lef
t
Outrigger Lock Relay
50B
65A
59A
2B3
2B1
59B
68
2A3
2A1
50C
59A
2A2
56
70B
49
65B
67
50A
LEGEND
=
De-
energiz
ed
=
Energiz
ed
=
Open
=
C
losed
=
Activ
e Circuit (Hea
vy Line)
=
Inline Har
ness Connection
=
Component/
Bulkhead Connection
DE E O C
152B
152B2 152B1
DE
DE
DE
O
E
E
E
DE
E
DE
E
E
E
E
1
2
O
O
RELA
Y
LOCA
TIONS
E
E E
E E
Stab
iliz
er
Inter
loc
k
Rela
y
Pa
rk
B
ra
ke
Inter
loc
k
Rela
y
Boom/
Outr
igger
Inter
loc
k
7.5
Boom/
Outr
igger
Inter
loc
k
7.5
Stab
iliz
er
Loc
k Up
Rela
y
Boom Extend Loc
kout
Rela
y
Boom Extend Inter
loc
k
Rela
y
Outr
igger
Loc
kout
Rela
y
Right
Outr
igger
Loc
k
Rela
y
Left
Outr
igger
Loc
k
Rela
y
DE
DE
DE
10
Light Switch Rela
y
Lights 1
Headlight Switch
Rela
y
Pa
rk
B
ra
ke
Disengage
Rela
y
Open Fuse
Tr
ansmission
Optional
W
asher/
W
iper
Stab
iliz
er
Steer Select
Switch
Hor
n/
Heater
Instr
ument
Panel Main 7.5
Light Swtch
Rela
y
Neutr
al
Star
t
Rela
y
Stab
iliz
er
Loc
k
Rela
y
Bac
k-
up
Alar
m
Rela
y
Boom Switch Rela
y
7.5 20
7.5 10 10 15 10 40
E
DE E
DE
Stab
iliz
er
Light
BLU
BRN
BLK
C
B
A +
-
Boom Angle Sensor
Boom Extend
Interlock Sensor
BLU
BRN
BLK
C
B
A +
-
Extend Circuit Solenoid Va
lv
e
Lef
t
Outrigger DOWN Solenoid
MH5791