Cub Cadet Yanmar 3TNV72 - Manual (Page 124)

ENGINE
TNV IDI Service Manual 6-25
Cylinder Head
Cleaning of Cylinder Head
Components
Thoroughly clean all components using a
non-metallic brush and an appropriate solvent.
Each part must be free of carbon, metal filings and
other debris.
Inspection of Cylinder Head
Components
Visually inspect the parts. Replace any parts that
are obviously discolored, heavily pitted or otherwise
damaged. Discard any parts that do not meet its
specified limits.
IMPORTANT
Mark all valve train components so they can
be installed in their original locations.
Note: Record all measurements taken during
inspection.
Inspection of Push Rods
Push Rod Bend
Determine if the bend of the push rods is within the
specified limit.
1. Place the push rods on a flat inspection block or
layout bed.
2. Roll the push rods until a gap can be observed
between a portion of the push rod and the
surface of the block or layout bed.
3. Use a feeler gauge to measure the gap
(Figure 6-11). See Push Rod on page 6-6 for
the service limit.
Figure 6-11
A
WARNING
FUME / BURN HAZARD!
• Always read and follow safety related
precautions found on containers of
hazardous substances like parts
cleaners, primers, sealants and
sealant removers.
• Failure to comply could result in death
or serious injury.
0000014en
CAUTION
Any part which is found defective as a
result of inspection or any part whose
measured value does not satisfy the
standard or limit must be replaced.
0000119en
CAUTION
Any part determined to not meet the
service standard or limit before the next
service, as determined from the state of
current rate of wear, should be replaced
even though the part currently meets the
service standard limit.
0000120en
0000204
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