 |
|||
|
|
|||
|
Page Title:
Section IV. PISTON AND CONNECTING ROD |
|
||
| ||||||||||
|
|
 TM 10-4320-202-15
Section IV. PISTON AND CONNECTING ROD
6 - 7 . General
The engine uses a conventional piston and
connecting rod assembly. The crankpin bearing
and wrist pin bearing are an integral part of
the connecting rod and are not removed during
disassembly. The piston uses four piston rings,
two compression rings, one scraper ring and
one oil ring.
6-8. Piston and Connecting Rod
a. Removal.
(1) Remove the cylinder head (para 3-
40).
(2) Remove the engine base (para 6-6).
(3) Remove the piston and connecting
rod assembly (fig. 6-4).
b. Disassembly. Disassemble the piston and
connecting rod in the numerical sequence as
indicated in figure 6-5.
c. Cleaning and Inspection.
(1) Clean all parts with approved clean-
ing solvent and dry thoroughly.
(2) Inspect piston for cracks, distortion,
scoring, wear and other damage. Refer to
(3) Inspect connecting rod for cracks,
distortion and wear. Refer to table 4-1 for
tolerances.
(4) Inspect piston rings for cracks, dis-
tortion and wear. Refer to table 4-1 for toler-
ances on ring end gap and side clearance.
(5) Check the fit of the wrist pin in the
piston and connecting rod. Refer to table 4-1
for tolerances.
Figure 6-4. Piston and connecting rod removal and
(6) Inspect all other parts for cracks, dis-
installation.
tortion, and other damage.
e. Installation.
(1) Install the
piston and connecting rod
d. Reassembly. Reassemble the piston and
assembly. Refer to
connecting rod in the reverse of the numerical
(2) Install the
engine base (para 3-48).
sequence, illustrated in figure 6-5. Figure 6-
(3) Install the
cylinder head (para 3-41).
6 shows the arrangement of the piston rings.
6-7
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals