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8-7
OPTIONS
4-PORT QUICK-COUPLER
(TL10/TL12)
• Oil may spurt out if the caps or filters
are removed or pipes disconnected
before releasing the pressure in the
hydraulic system.
· When removing plugs or screws, or
when disconnecting hoses, stand to
the side and loosen them slowly to
gradually release the internal pressure
before removing.
• Do not release pressure:
· When the attachment is not in the rest
position.
· During operation of the attachment.
(Due to danger of unexpected
movement of the attachment)
• Do not couple or uncouple when there
is a flow or pump pressure in the circuit.
Disconnection or connection is allowed
only when there is no residual pressure.
• Hydraulic fluid, tubes, fittings and
quick-couplers can get hot when
running machine and attachments. Be
careful when connecting and
disconnecting quick-couplers.
IMPORTANT: When the couplings are
disconnected, it is suggested to use the
protection caps.
IMPORTANT: Before uncoupling, be sure
to release the residual pressure.
4-PORT QUICK-COUPLER
Releasing residual pressure
Coupling and uncoupling
1. Before coupling, clean the flat mating
surfaces of quick coupling to avoid the
inclusion of dirt into the circuit.
2. Release the residual pressure from the
upper coupling (a) (a’) by pulling the knob
(1) outward first and then upward. Release
the residual pressure from the lower
coupling (b) (b’) by pulling the knob (1)
outward first and then downward.
3. To couple, push the male half towards the
female half or vice versa.
4. To uncouple, pull back in sleeve of the
female.
Connecting the hydraulic circuits
To connect the attachment hydraulic lines,
use the following procedures:
1. Connect the attachment hydraulic lines to
ports (a) or (a’) and (b) or (b’).
When fitted with a hydraulic breaker:
a. Connect the return circuit to port (b) or
(b’) and the supply circuit to port (a) or
(a’).
b. Turn on the flow selector switch and
select “one-way”.
Some attachments may have a case
drain, which needs to be connected to
the small port (T).
Summary of Contents for TL8
Page 1: ......
Page 7: ...0 5...
Page 12: ...0 10...
Page 13: ...1 1 SAFETY...
Page 55: ...1 43 SAFETY SAFETY SIGNS DECALS With Lift arm lower button TL10 TL12...
Page 56: ...1 44 SAFETY SAFETY SIGNS DECALS...
Page 57: ...1 45 SAFETY SAFETY SIGNS DECALS...
Page 58: ...1 46 SAFETY SAFETY SIGNS DECALS...
Page 59: ...2 1 CONTROLS...
Page 113: ...3 1 OPERATION...
Page 119: ...3 7 MEMO...
Page 143: ...4 1 TRANSPORT...
Page 148: ...4 6...
Page 149: ...5 1 MAINTENANCE...
Page 211: ...6 1 TROUBLESHOOTING...
Page 234: ...6 24...
Page 235: ...7 1 SPECIFICATIONS...
Page 239: ...7 5 MEMO...
Page 240: ...7 6 SPECIFICATIONS MACHINE DIMENSIONS MACHINE DIMENSIONS...
Page 243: ...7 9 MEMO...
Page 244: ...7 10 SPECIFICATIONS OPERATING RANGES OPERATING RANGES...
Page 246: ...7 12...
Page 247: ...8 1 OPTIONS...
Page 261: ...8 15...