TOMARK, s.r.o.
Airplane Maintenance Manual
Chapter12 Servicing
Issue: 11.AUG 2016 Page 83
12-10-03 Coolant Replacement
Follow the procedures as presented in chapter
12-20-00 of the
ROTAX Maintenance Manual (Line)
(refer to Chapter
01-30 Related
Publications
) observing the following:
Coolant: SHERON Antifreeze Ultra G12++ or equivalent.
The lowest point of the Viper SD-4 RTC cooling system is the RH
fitting of the water cooler. If the cooling system shall be drained
completely carry out the following steps:
CAUTION Burns possible due to hot coolant.
▶ Allow coolant to cool down before working on the cooling system.
▶ Place a suitable container under the water cooler.
▶ Disconnect the hose connected to the RH fitting and drain coolant.
▶ Reinstall the hose.
The overflow bottle has to be drained and refilled separately:
CAUTION Burns possible due to hot coolant.
▶ Allow coolant to cool down before working on the overflow bottle.
▶ Place a suitable container under the overflow bottle.
▶ Drain overflow bottle by disconnecting the coolant hose.
▶ Connect the coolant hose.
▶ Refill coolant.
12-10-04 Brake Fluid Bleeding
WARNING Brake fluid is toxic and can cause disease!
▶ Do not allow brake fluid to come in contact with your skin.
▶ In case of accidental contact flush with water immediately.
NOTICE Brake fluid can damage paint or other material.
▶ Cover the affected areas with appropriate clothes or suitable
containers.
▶ Clean up immediately spilt brake fluid.
Carry out the following procedure generally with two persons. One
(upper) person sitting in the cockpit, one (lower) person next to the
main wheel.
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