TM 5-3805-280-24-2
Cylinder Block, Liners, Pistons and Rods
REMOVE PISTONS AND CONNECTING RODS
10
13
If engine is to be removed from the machine, see your
machine technical manual.
CAUTION: Do not drain engine coolant until it
cools below operating temperature. Then slowly
loosen block drain valve to relieve any
pressure.
1. Drain coolant and engine oil.
NOTE: If engine is to be completely disassembled, see
ENGINE DISASSEMBLY SEQUENCE in Group
04.
2. Remove cylinder head. (See REMOVE CYLINDER
HEAD in Group 05.)
3. Remove camshaft followers and keep in order for
reassembly in same position.
4. Clean all foreign material from cylinder block top deck.
RG,10,DT7421 1912NOV971/5
IMPORTANT: Cap screws and washers must be
tightened to the correct specification to
achieve an accurate reading when
checking liner standout (height above
block), as detailed later in this group.
5. Use short cap screws (A) and 3 mm (1/8 in.) thick
washers (B) to bolt down cylinder liners (C). Fasten
each liner in two locations. Tighten cap screws to 68
Nm (50 lb-ft).
NOTE: Do not rotate crankshaft with cylinder head
A--Cap Screws
removed unless liners are fastened down.
B--Washers
C--Liners
Continued on next page
RG,10,DT7421 1912NOV972/5
13-126
