8) Exceeding Of Oil Temperature; 9) Oil Pressure Below Minimum Value - Rotax 914 F Maintenance Manual

12.4.8) Exceeding of oil temperature

Any exceeding of the max. admissible oil temperature has to be entered by
the pilot into the logbook, stating duration and extent of excess temperature
condition.
With oil temperature in excess of 130 °C (266 °F) for max. 5 minutes localize
the cause. Check oil level in tank. Check oil cooler for soiling and the
complete oil circuit for proper operation. Cut oil filter apart and check oil filter
mat for foreign matter. Carry out oil change. See Chapter 12.3.8) and 12.3.9)
oil filter replacement.
If the oil temperature exceeds 160° C (320° F), consequential damage is
likely. A complete examination and engine repair is required.

12.4.9) Oil pressure below minimum value

If noticed on ground, immediately stop the engine and check for reason.
Check complete lubrication system, trace cause and rectify.
With oil pressure below 0,5 bar (1 p.s.i.) at flight reduce engine speed to value
as low as justifiable and carry out precautionary landing. Check complete
lubrication system, trace trouble and rectify.
— Check free passage of oil feed line. See chapter 9.3).
— Check oil quantity. See chapter 12.3.8).
— Check oil pressure gauge. See chapter 13.7).
— Check indication instrument as per manufacturer's specifications, replace
— Check correct function of pressure release valve. Renew valve and spring
— If no cause of low oil pressure is found after doing the above checks,
— If after the previous checks the oil pressure remains too low, the engine
Modification no.
- 0 -
if necessary.
as requried. See chapter 13.2).
change the oil using a product meeting the requirements of Chapter 8.2)
and 13.2).
must be completely checked and overhauled.
Reference Main Date
914 F 1997 02 01
Page
117