TM 55-1905-223-24-8
k. Remove gasket (22) and discard.
l. Remove piston assemblies (5, 6) with connecting rod bolts (7) from inside cylinder block (20) by
pushing up and out top of cylinder block.
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REPLACEMENT
a. Pre-lube the piston assemblies by coating with clean lubricating oil and install piston assemblies (5, 6)
with connecting rod bolts (7) by pushing down through the top of the cylinder block (20) using ring
b. Place gasket (22) on top of the cylinder block.
c. Place head assembly (23) on top of the cylinder block (20) and secure with five counterbore screws
(14) and washers (15). Install seven counterbore screws (16) and washers (17) to secure the cylinder
block to the head assembly.
d. Torque all screws as shown in torque sequence (FIGURE 2-6) to 65 ft-lbs.
e. Install upper bearing sleeves (8) on crankshaft (9).
f. Place gasket (21) on top of crankcase housing (1).
g. Place cylinder block and head assembly (20, 23) on top of crankcase housing (1).
h. Secure to crankcase housing with eight hex head screws (18) and washers (19). Torque to 75 ft-lbs.
i. Install lower bearing sleeves (10) and connecting rod caps (11).
j. Secure to connecting rod bolts (7) with four washers (13) and locknuts (12). Torque to 40 ft-lbs.
k. Replace gaskets (2) and secure inspection plates (3) to crankcase housing (1) with 12 hex head
screws (4). Tighten screws firmly.
l. Install unloader and valve assemblies and tubing (paragraph 2-13).
m. Fill crankcase with oil, refer to LO 55-1905-223-12.
2-22
