BRP-Rotax
MAINTENANCE MANUAL LINE
Points of Inspection
Interval Operating hours
Chapter
Reference
Signa-
ture
* no periodic maintenance (re-
quirement after the first 25 hours
of operation)
25*
50
100
200
400
600
1000
Take note of changes caused by
temperature influence.
See SB-912–030 — latest edition.
11) Checking the propeller gear box
Check gear set (pittings).
X
See Heavy
MM Chap.
72–10–00
Check wear on tooth of overload
clutches.
X
See Heavy
MM Chap.
72–10–00
Gearboxes with overload clutch
(5
if overload clutch part no. 996886,
without lead drain holes, is installed
and use of leaded fuel more than
30% of operation.
Inspect overload clutch.
X
(5
X
05–50–00
Checking
the overload
clutch;
12-20-00
Checking
the propeller
gearbox
Checking the propeller gearbox with-
out overload clutch.
(7
only for engine type 912 UL/ULS
/ULSFR
X
(7
05–50–00
Checking
the overload
clutch;
12-20-00
Checking
the propeller
gearbox
12) Flushing the cooling system
Flush the cooling system if large de-
posits on the expansion tank or radi-
ator cap and/or if the coolant
manufacturer required a change
interval.
when replacing the coolant
12–20–00
Flushing the
cooling
system
13) Engine cleaning
Engine cleaning.
X
X
12–20–20
Engine
cleaning
Page 14
January 01 2020
Effectivity: 912 Series
Rev. 0
