Page 127 - 2019 Technical NMT Hybrid4

HYBRID4 NMT – TNGA Engines – Lubrication System
Oil nozzle valve (Check valve) inspection

Inspection for Stuck Check Valve Inspection of Check Valve Function

Verify valve moves when Verify no air leaks Verify air flows when
depressed manually with when air is applied. valve depressed.
the 1 mm wire.
Wire
5 mm
(0.197 in.)

1 mm
(0.0394 in.)

Hose

Air
Check Valve Air