Non Compliance With The Coolant Specification - BRP Rotax 915 i A Series Maintenance Manual

Step
Exceeded for longer than 30 min.
Step

NON COMPLIANCE WITH THE COOLANT SPECIFICATION

General note
Step
05–50–00
Page 20
June 01 2019
BRP-Rotax
MAINTENANCE MANUAL LINE
Table 1: Temperature exceeded less than 30 min.
Procedure
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. "Excess tem-
perature of over 180 °C (356 °F) and/or for longer than 30 min.".
• Check all coolant fittings (feed/outflow) for secure fit.
Table 2: Exceeded for longer than 30 min.
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 compression 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.
Use only coolant as recommended in the current Operators Manual
Non compliance with the coolant specification
Procedure
1 When a incorrect coolant is used, then the coolant system has to be
flushed.
See Chapter 12-20-00 section Flushing the cooling system.
2
Fill expansion tank with new coolant (highest point of the coolant system).
See Chapter 12-10-00 section Coolant
ATTENTION
check/replenish.
Effectivity: 915 i A Series
Rev. 1