Figure 3-62. Precombustion chamber positioning diagram.
Section XVI. PISTON AND CONNECTING ROD
(13), and piston pin (12), then separate rod (5) from
3-56. General
piston (9).
The piston and connecting rods of both engines are
(5) Remove piston rings (7, 8, 10, and 11)
similar in construction, with the major differences being
from piston (9).
in the number of rings used, length of piston skirt, rod
(6) Remove sleeve bearing (15) from rod (5).
configuration, and ring placement.
(7) Repeat steps (2) through (6) above for each
3-57. Piston and Connecting Rod (Engine Model
cylinder.
687C-18-ES)
b. Cleaning, Inspection, and Repair.
a. Removal and Disassembly.
(1) Clean all parts and dry thoroughly before
(1) Remove cylinder head and liner (para 3-54).
inspection or reassembly.
(2) Remove piston and connecting rod from
cylinder head and liner.
NOTE
(3) Remove upper bearing half (4, fig. 3-63).
Assure that all carbon deposits have been
(4) Remove two plug.(14), retaining ring
removed from piston and ring grooves.
3-73
