Rotax 912 i series Service Manual

BRP-Rotax
MAINTENANCE MANUAL LINE
Table 1: Temperature exceeded less 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 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.
Exceeded for longer than 30 min.
Table 2: Exceeded for longer 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 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.
NON COMPLIANCE WITH THE COOLANT SPECIFICATION
General note
ATTENTION
Use only coolant as recommended in the current Operators Manual and SI-912 i-
001 “Selection of suitable operation fluids“, current issue.
Non compliance with the coolant specification
Step
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 check/replenish.
Effectivity: 912 i Series
Edition 2/Rev. 0
05–50–00
Page 21
September 01/2018

Rotax 912 i series Specifications

General

Brand	Rotax
Model	912 i series
Category	Engine
Language	English