3-108 BA 348-01 * 2.0 * 34801b340.fm
3 Operation
3.56 Additional front/rear control circuit (option)
Overview of quick couplers 40 l/min (40 – 60 l/min)
Quick couplers are installed at the rear and/or front (loader unit) for operating attachments
with additional hydraulic functions.
Possible options:
• Additional control circuit for front 60 l/min and rear 40 l/min quick couplers
• Additional control circuit for front 60 l/min quick couplers
• Additional control circuit for front/rear 40 l/min quick couplers
Clean the quick couplers carefully before connecting an attachment in order to
ensure correct functioning and sealing!
Operation of attachments at the front and rear quick couplers at the same time
is not possible!
☞Use the quick couplers either at the front or rear
Fig. 148 : Quick couplers for additional control circuit (option)
E
C DB
Overview of front/rear hydraulic connections (option)
Connection Function
B Red quick coupler (front double-action pressure line)
C Red quick coupler (front and rear single-action pressure line)
D Blue quick coupler (front and rear unpressurized return to reservoir)
E Red connector (leak oil line)
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