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XYZ Machine Tools Ltd
TRAK
2
OP
Installation, Maintenance, Service & Part List Manual
5.9.10
Quick Exhaust
The 2 OP has a quick exhaust valve that helps to exhaust air quickly. On the tool carrier carriage cylinder,
the quick exhaust prevents the air cylinder from seeing too much pressure during the ATC shift from the
first to the second row of tools. If you need to replace a quick exhaust valve, make sure to mount it
properly, as shown on the pneumatic schematic, drawing 27563-2.
5.9.11
Reservoir Tank
This tank is used to store extra volume of compressed air for the front door assist cylinder in the event the
compressed air supply line is disconnected from the machine. It also acts as an air pressure accumulator to
help maintain the air pressure relatively constant during opening and closing of the front door. This tank
will keep the door feeling light even if the air supply is suddenly disconnected or removed. Due to the
check valve, the pressure will stay in the front door reservoir tank overnight assuming you do not open and
close the door too many times with the air disconnected.
5.9.12
Check Valve
There is one check valve found prior to the inlet of the door pressure regulator. It prevents depressuring of
the reservoir tank (which would lead to a very heavy door operation) if the main air supply is removed.
5.9.13
Tank Bleed-Off Valve
This is used to remove air and drain any water or oil from the reservoir tank. This valve must remain closed
during normal operation.
5.9.14
Air Quality
Air quality is very important in the pneumatic system of the 2 OP Mill. The most common problem with the
compressed air quality is the presence of water. Water contamination has a negative impact on the
longevity and performance of various pneumatic components. For this reason, we strongly recommend
installing an air dryer or a water separator upstream of the 2 OP Mill.
The 2 OP does have a filter with water separation ability but it can only handle a small amount of water per
day, and if a larger amount of water enters the pneumatic supply at one time, water may move
downstream of this device and degrade the pneumatic components.
Note: Valves and cylinders on this machine are internally pre-lubricated with grease from the manufacturer;
therefore no external lubrication is needed nor recommended.
5.9.15
Troubleshooting
The following table is a quick reference guide for troubleshooting problems related to the pneumatic
system.
Problems with
Can contribute to
Air Pressure Switch or low air pressure Flashing air pressure warning message on screen
Inability to change tools or load tools in the spindle. An error
message can occur when trying to perform these activities
You can check if the control is seeing this air pressure switch by
performing service code 521.
Air Flow Control Valves
ATC will move in and out either too fast or tool slow
Too little air is coming down through the spindle which can lead
to chips sticking inside of the spindle taper
Make sure they are installed properly and air flows in the
correct direction.
Summary of Contents for TRAK 2OP M11 Mill
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