Cub Cadet MTD 70 Series - Manual (Page 76)

61, 65 and 70 Series Vertical Shaft Engines
70
4. Inspect the disc for any signs of dirt, damage or
leaking.
5. Inspect the folded wire mesh in the chamber. See
Figure 5.12.
6. Inspect the oil drain-back port. Make sure it will
allow oil to drain back into the engine. See Figure
5.13.
NOTE: Starting in the 2012 model year, some
engines where equipped with a new PCV
breather valve. See Figure 5.14.
Figure 5.12
Disc
Port to
Folded wire mesh
crankcase
PCV hose
Port to
Figure 5.13
Drain-back port
Figure 5.14
New breather valve