TM-5-4310-389-14
Figure 4-22. Checking Connecting Rod for Squareness
r.
Weigh the connecting rods.
NOTE
The set of connecting rods for an engine should be of the same weight class. When renewing connecting rods,
observe the color code on the rod cap indicating the weight tolerance within a certain weight class.
Gauging and replacing piston pin bushing.
INSPECT
a.
Set inside micrometer to starting dimension using a micrometer frame.
b.
Measure the piston pin bush at points one and two in planes a and b (figure 4-20).
NOTE
Compare recorded values with those specified in the specifications in table 4-5.
Follow on Maintenance.
Replace pistons; paragraph 4-14.
Replace fuel pump; paragraph 4-18.
4-52
