TM 5-3805-262-34
4-1. ENGINE MAINTENANCE (CONT)
This task covers removal, disassembly, cleaning,
inspection, reassembly, and installation of pistons and connecting rods.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Drill bit, 0.156 inch diameter
Retaining-ring pliers
Safety glasses
Torque wrench, 1/2 inch
Automotive Mechanic’s Tool
Socket wrench set, 1/2:
Thickness gage
Bore gage
drive
Kit
inch drive
Fine wire, 0.156 inch diameter maximum
Hydraulic press
Micrometer, zero to 5 inches
Piston ring expander
Plastigage
Reamer (FSCM 10988 PN A43113)
Ring compressor
Wooden dowel, 1 inch diameter
Ridge reamer
Capscrews, three, 5/8-11 by 3/4 inch (FSCM 10988 PN 13-1012)
Washers, flat, three, 1-3/4 inches OD, 11/16 inch ID, 9/64 inch
thick (FSCM 10988 PN 95-10)
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Engine lubricating oil, OE/HDO 30 (Appendix C, item 9)
Paint (Appendix C, item 22)
Piston ring set (FSCM 10988 PN A48320)
NOTE
PRELIMINARY PROCEDURE:
Cylinder
heads removed (page 3-45), oil pan
removed (page 3-89), and oil pump
suction tube disconnected from oil
pump (page 3-92).
REMOVAL (SHEET 1 OF 3)
(1)
Check side clearance of each
connecting rod (2) using thick-
ness gage. Side clearance shall
be between 0.007 to 0.016 inch.
If side clearance exceeds 0.016
inch, replace connecting rod
(2). If side clearance is less
than 0.007 inch, regrind crank-
shaft (page 4-23).
4-42
