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Atlas Copco Cobra TT User Manual

Atlas Copco Cobra TT
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Dismantling of the drive piston
Remove and discard the locking rings (1).
Use a suitable drift to press out the gudgeon pin (2),
supporting the connecting rod and the piston at all
times.
Lift the piston (3) from the connecting rod (4). Re-
move and discard the piston ring (5) and the O-ring
(6).
Examine the grooves and the surfaces of the piston,
and replace if damaged or worn.
Dismantle the locking ring (7) and the washer (8); the
locking ring must be discarded. Lift the connecting
rod (4) from the hammer piston crankshaft.
Dismantling and reassembly of the
connecting rod bearings
Dismantle the needle bearing (1) using service tools
S1, S2, S3, S10 and S25.
Fit a new bearing using service tools S1, S2, S3 and
S25.
Dismantle the needle bearing (2) using tools S1, S2,
S3, S5 and S25.
Note: Once it has been dismantled, a needle bearing
must not be re-used and must be discarded.
21
Fig. 23
Fig. 24
Crowder Supply Co., Inc. • 8495 Roslyn St., Commerce City, CO 80022 • Toll Free: 888-883-5144 • www.CrowderSupply.com
www.CrowderSupply.com • Toll Free: 888-883-5144

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Atlas Copco Cobra TT Specifications

General IconGeneral
BrandAtlas Copco
ModelCobra TT
CategoryPower Tool
LanguageEnglish

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