BRP-Rotax
MAINTENANCE MANUAL LINE
CHECK POP-OFF VALVE
NOTE
This functional check is to be performed on an assembled pop-off valve
assembly.
See Chapter 73-10-00 in Maintenance Manual Heavy (MMH) for the re-
spective engine type for removal, disassembly, inspection and assembly
and installation of the pop-off valve assy..
Step
Procedure
1 Loosen the 1-ear clamp and remove the control hose (2).
2
Connect a vacuum pump to the pop-off valve hose nipple (3).
3
Apply a vacuum of 700 mbar (10.15 psi.).
Figure 7.24: Oil tank
1
1-ear clamp
2 Control hose
3
Hose nipple
Step
Procedure
4
The piston must move smoothly and be fully open at 700 mbar (10.15 psi).
5
Release the vacuum, the piston will be returned to fully closed by internal
spring force.
12–20–00
Page 52
December 01 2023
Effectivity: 916 i A / C24
Edition 0/Rev. 1