2-50
8 - EXTERIOR DRAIN-BACK
Enables connection of an attachment for which
drain-back is required.
MT 1440 E3
A - Fixed position, drain back not connected.
B - Movable position, drain back connected.
9 - HYDRAULIC ATTACHMENT LOCKING
Enables the attachment to be locked onto the carriage and a hydraulic attachment to be
used by the same hydraulic circuit.
ATTACHMENT LINE CONTROL
- Set valve 1 to position A.
- Push button 2 forward or backward.
ATTACHMENT LOCKING CONTROL
- Set valve 1 to position B.
- Push button 2 forward to lock the attachment and backward to release it.
Once the attachment is locked, return valve 1 to position A to prevent accidental release of the
attachment.
10 - JIB HEAD ELECTROVALVE
Enables use of two hydraulic functions on the attachment circuit.
ATTACHMENT LINE L1 CONTROL
- Push button 1 forward or backward.
ATTACHMENT LINE L2 CONTROL
- Hold down button 2 and push button 1 forwards or backwards.
MT 1440 E3 MT 1840 E3
B
A
1
L1
L1
L2
L2
2
1
2