TF3 - Manual
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3.17 Groundpower Unit (GPU)
The TF3 has a ground power connection located behind the right side lid. However, the device
cannot be used as a classic GPU, but should not exceed a maximum power of 50 amps. Please
note that the batteries have a total power of 24V.
3.18 Maintenance Products
The maintenance products used in aircraft tugs are reduced to a minimum, thus minimising the
risk of leaking operating materials:
• Helical Gear: Glygoyle 220 CLP VG 220
• Drive Chain: Interon Lube EP+ Teonspray
3.19 Ambient Temperature & working environment
With constant use under extreme temperature changes and condensing air humidity special
equipment and approval is required for the aircraft tug. In order to ensure the best functionality,
we recommend to use the equipment at the following temperature range:
-20°C to +50°C / -4°F to +122°F
In order to preserve a long durability of the device and the batteries, store it neither in very
cold, nor in very warm outdoors. Working in rain and snow is no problem for the TF5, but even
in these weather conditions, we recommend to store the unit in a protected place after use.
WARNING: Do not start engines with the unit as this may damage the batteries.
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