Tadano GR-300EX-3, Service Manual

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Z- 4
WZ03-7880E
Electric Circuit (Upper)
Z- 4 Z- 4
IWZ03-7330E06a
15
1
344-127-26000
4.6 Electric circuit (two-blocking)
15
[NOTICE]
1. If not specified, wire type is AVS and wire size is 0.5mm
2
.
Two-blocking signal
3rd/top boom full retraction detection switch
When operating boom,
connect this connector.
When operating single top,
connect this connector.
When operating Jib 1,
connect this connector.
When operating Jib 2,
connect this connector.
Single top
Joint connector to “boom”
Jib 1
Jib 2
W B
1
2
3
M6_1.25-2_Water-proof
E015
Ground
M6_1.25-2_Water-proof
E016
Ground
1
2
3
1
2
3
1
2
3
1
2
1
2
3
1
2
3
1
2
3
1
2
1
2
3
2
1
3
1
2
3
1
2
3
CN901
1
2
3
CN902
2
1
CN1094
Two-blocking detection switch (boom) (left)
1
2
3
CN901A
1
2
3
CN948
1
2
3
CN948B
1
2
3
CN900
1
2
3
CN901
Joint connector
Joint connector
Joint connector
Joint connector
Joint connector Joint connector
Joint connector
Joint connector
1
2
3
CN901B
2
1
3rd/top boom full retraction detection switch
(contact close : full retraction)
CN859
2
1
Two-blocking detection switch (boom) (right)
(contact open: two-blocking)
CN862
1
2
3 1
2
3
CN948A
1
2 1
2
CN1778
1.25 (816AA) LG/B
1.25 (B60AA) B
(C07-018) W
(C07-019) B 1.25 (819AA) Y
1.25 (839AA) R
(839AA) R
1.25 (B60AB) B
(C08-018) W (C08-018) W
(C08-019) B (C08-019) B
(C06-019) B (C06-019) B
(C06-018) W (C06-018) W
(C09-018) W
(C12-018) W
(C12-019) B
(C09-019) B
(C10-018) W (C10-018) W
(C10-019) B
(C10-019) B
(C11-018) W
(C11-019) B
When operating single top,
connect this connector.
When operating jib,
connect this connector.
When operating jib,
connect this connector.
Connector (CN901)
Joint connector
Sub two-blocking detection switch
(jib, single top)
(contact open: two-blocking)