OPTIONAL EQUIPMENT
7-3
SY95C Excavator OMM
Install Optional Equipment
WARNING
• Do not release the equipment unless it is on the
ground or on a solid, supportive surface. Block
or support the equipment to prevent rolling or
tipping.
• Hydraulic systems operate under high pressure.
Escaping hydraulic oil under pressure is
dangerous. Always relieve pressure before
disconnecting hoses.
Failure to follow these warnings could result in
death or serious injury.
1. Prepare machine for service. See “Maintenance
2. Relieve system pressure. See “Relieve Hydraulic
System Pressure” on page 5-31.
0003033
Figure 7-1
NOTICE!
Dispose of hydraulic oil according to all
applicable environmental regulations. Failure to
follow this notice could damage the environment.
3. Place a suitably sized container under the hydraulic
connections to catch any residual hydraulic oil.
4. Remove the caps (1) and plugs (2) from the hydraulic
lines.
5. Connect the optional equipment to the machine
according to the manufacturer’s instructions.
6. Connect the optional equipment hydraulic lines and
operate the optional equipment according to the
manufacturer’s instructions.
0004479
Figure 7-2
7. Adjust the return flow selector valve (3) according to
the optional equipment being installed. The return
flow selector valve is located behind the right front
access door. It regulates the direction of hydraulic oil
flow. There are one-way (5) or two-way (4) positions
for operating optional equipment.
A variety of optional one-way and two-way flow
equipment is available for use on this machine. A
hydraulic breaker is an example of one-way flow
equipment; a bucket thumb or shear are examples of
two-way flow equipment.
8. Select the correct operating mode from the monitor.
See “Operating Mode Screen” on page 3-12.
9. Check hydraulic oil level. See “Check the Hydraulic
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