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Quick Coupler
Quick Change QC45 - QC80
Warning! From a safety point of view,
the quick coupler with its locking function
is a particularly important part of Rototilt®.
A system function defect can cause costly
downtime, and in the worst case, serious
personal injury. Follow the instructions
carefully and note the warnings given in
this document. If there is a problem or
you discover a fault with the Quick coupler's
locking function, contact your dealer.
The QC quick coupler is fitted with QuickChange
automatic hydraulic connections which enable
hydraulically-operated tools to be changed from the
driver's cab. Note that tools must also be equipped
with QuickChange hydraulic connections.
Function
The quick coupler consists of a quick coupler body
(pos. 1) and an H cylinder unit (pos. 2) with two
integral hydraulic cylinders, linked by two locking
pistons (pos. 3). The center section of the cylinder
unit has space for hydraulic quick connect fittings.
When the unit's cylinders move, the quick coupler
locks and the hydraulics are connected simultaneously.
Connection and disconnection of tools and
hydraulics is done with the same cylinder movement.
The coupler is also fitted with a mechanical dirt
protector (pos. 4) which stops dirt getting into
the quick connect fittings when using tools without
QuickChange quick hose connections.
When the quick coupler locking function is in the
locked position without the QuickChange tool, the
cover that stops dirt getting into the quick connect
fittings will be closed. This closed position should
always be used if the machine has no tool attached.
Cylinder unit movement acts on the cover, which is
opened by a rod (pos. 5) fixed to the quick coupler
frame.
Optional extras
The quick coupler can be fitted with an optional
sensor (pos 6 and 7) to monitor the locking unit and/
or or an electrical plug (pos 8) to the tool connected.
Also refer to the Control system section.
2200293
EN
_5982
2016 05 02
1
3
Figure 1.
Quick coupler locking
function open
7
5
6
English
2
4
8
Figure 2.
Quick coupler
locking function
closed
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Summary of Contents for ROTOTILT Quick Change QC45
- Page 1 Quick Change QC45 - QC80 Warning! From a safety point of view, the quick coupler with its locking function is a particularly important part of Rototilt®. A system function defect can cause costly downtime, and in the worst case, serious personal injury.
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Page 2: Quick Connect Fittings
1/2" 1/2" 1/2" 1/2" Figure 4. Quick coupler QC60 E2 / E2 / QC45-5 1/2" 3/8" 3/8" 3/8" 1/2" = Rototilt® standard without function E2 / E2 / QC60 1/2" 3/4" 3/4" 1/2" E2 / E2 / QC60-5 3/4" 3/8"... -
Page 3: Connecting Tools
Connecting tools This procedure assumes there is a tool attached to the tiltrotator and that the quick coupler is in its locked position. • Check that nobody is present in the machine’s working area. • Open the quick coupler lock as described in the Control system operation section. - Page 4 • Operate the tiltrotator to a position where the quick coupler acquires an angle of 30°-45° in relation to the tool’s attachment fitting (figure 11). 30°-45° • Hook the quick coupler’s forward attachment onto the tool’s front shaft. Figure 11 •...
- Page 5 Check, tool connection Warning! The operator must always check that the tool is locked according to the description below. In case of doubt, the tool must be disconnected and the cause investigated. Refer to the Troubleshooting section. • Check that the locking cylinders have a proper grip beneath the tool’s rear shaft.
- Page 6 Disconnecting tools Important! Special requirements may apply to individual tools. Read the tool documentation in this regard. DANGER! No one may be present within the machine’s working area when tools are connected, replaced or set down. Tools may come lose or overturn unexpectedly during the connection procedure, causing injury or damage.
- Page 7 Refer also to the grapple module’s instructions for use. Figure 21 Extra grapple function The extra function enables the use of a grapple module with Rototilt®. It also controls the oil flow to the connection nipples (figure 22). Refer also to the grapple module’s instructions for use. Figure 22 2200293...
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Page 8: Maintenance
Maintenance Regular inspections and maintenance are essential to ensure good function and high reliability of the QuickChange quick coupler system. Daily checks At the beginning of the day. • The indicator rod must be retracted. • The quick coupler and the tool attachment must be kept free of snow and ice in winter. - Page 9 Quick coupler grease points Quick coupler grease points are shown below. The table lists a description of grease points, their number and greasing frequency. Figure 23 Description Number of Interval lubrication points Guide plane Daily Locking cylinders Daily 2200293 _5982 2016 05 02 English...
- Page 10 H cylinder quick connect fittings maintenance Important! Protective gloves must be worn when working with hydraulic oil to avoid direct contact with the skin. There is a risk of skin irritation and allergies. Protect and care for the environment. Collect all waste oil and clean up any spillage.
- Page 11 6. In the case of the 1/4" and 3/8" female connectors, the support ring and the O-ring must be inserted from the other end of the pusher tube (the end furthest away) compared to figure 23. NOTE! The support ring must be inserted first, black marking facing up toward the pusher, followed by the O-ring.
- Page 12 Replacing quick connect fittings secured by locking rings Parts included: 1. Hydraulic connector 2. Quick connect fitting 3. Protective cover 4. Guide plate 5. Locking ring 6. Steel washer 7. Quick connect fittings seat Procedure: • Shut down the machine and relieve the pressure in the hydraulic system. •...
- Page 13 Quick coupler troubleshooting Wrong Reason Measure Check tool connection according Incorrectly performed tool attachment to the Control section Check the pressure in the lock circuit. If it is too low, check lock Hydraulic pressure in the lock circuit valve function. If the lock valve is is too low to close the quick coupler.
- Page 14 Max. F Max. F Max. F Max. F Max. F Max. F Max. F The quick coupler attachment is offset 6 to the tool 6° ° ready for connection under Rototilt® (figure 30). Figure 30 2200293 _5982 2016 05 02 English...
- Page 15 Hydraulics diagram, quick coupler locking function 2200293 _5982 2016 05 02 English...
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