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VISUALLY INSPECT PISTONS
VISUALLY INSPECT CYLINDER LINERS

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Cylinder Block, Liners, Pistons and Rods
CLEAN CYLINDER LINERS
10
23
1. Use a stiff bristle brush to remove all debris, rust, and
scale from O.D. of liners, under liner flange, and in
O-ring packing areas. Make certain there are no nicks
or burrs in areas where packings will seat.
IMPORTANT: Do not use gasoline, kerosene or
commercial solvents to clean liners.
Solvents will not remove all abrasives
from liner walls.
2. Thoroughly clean liner I.D. with a 50 percent solution of
hot water and liquid detergent.
3. Rinse thoroughly and wipe dry with a clean rag.
4. Swab out liner as often as necessary with clean SAE
10W oil. Clean liner until a clean, white rag shows no
discoloration.
RG,10,DT7425 1912NOV971/1
13-136


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