BRP-Rotax
MAINTENANCE MANUAL LINE
Exceeding up to 135 °C (275 °F)
Table 1: Temperature exceeded less then 30 min.
Step
Procedure
1 The whole cooling system must be inspected, repaired or overhauled in ac-
cordance with the BRP-Rotax instructions for continued airworthiness.
2
Inspect all further systems for correct functioning.
3 Carry out detailed inspection of the affected engine components such as:
• Leakage check on the cooling system.
• Check that the cylinder head attachment is fitted securely. If any of the
cylinder head nuts are loose, proceed as instructed in sec. “Temperature
exceeded 135 °C (275 °F) and/or the operating limit for longer than 30
min.“.
• Check all coolant fittings (feed/outflow) for secure fit.
Exceeding over 135 °C (275 °F)
Table 2: Temperature exceeded 135 °C (275 °F) and/or the operating limit for lon-
ger than 30 min.
Step
Procedure
1 The whole cooling system must be inspected, repaired or overhauled in ac-
cordance with the BRP-Rotax instructions for continued airworthiness.
2 Inspect all further systems for correct functioning.
3
Carry out detailed inspection of the affected engine components.
4
Check compression by carrying out a differential pressure check.
5
All cylinder heads and cylinders must be removed and subjected to a de-
tailed check including hardness testing. See Chapter 72-00-00 of the
Heavy Maintenance Manual.
Effectivity: 912 Series
Rev.
05–50–00
Page 23
January 01 2020