Atlas Copco Secoroc YT29A User Manual

15
Problem Cause Solution
Uneven running
(continued)
The side bolts are unevenly
or insufficiently tightened.
Can cause the various parts
to lose their alignment,
resulting in the seizure of the
movable parts. Abnormal
strains on the side bolt
may result in fracture at the
threads.
Check and repair any damage to
the contact points and tighten the
bolts with the correct tightening
torque
The drill gets
hot
Lack of oil Add oil and check that it runs
through. It is not sufficient that
there is oil in the exhaust air. There
must also be an oil coating on the
shank of the working tool.
Freezing High level of humidity in the
compressed air
Use water traps
Water pressure higher than
the air pressure
Lower the water pressure
Water pipe
breakage
Misalignment of the shank Change working tool or shank
sleeve or both
Damaged flushing hole in
the shank
Change working tool
Chipping of the
piston tip
Misalignment of the shank Change the working tool or shank
sleeve or both
Excessive wear of the piston
tip
Change piston
Spline breakage Lack of lubrication Lower the water pressure if it is
the same as or greater than the air
pressure
Increase lubrication or change oil
Dirt intrusion (specially
when drilling upwards)
Increase service intervals
Piston breakage Lack of lubrication Lower the water pressure if it is
the same as or greater than the air
pressure
Increase lubrication or change oil
Uneven tension in the side
bolts
Tighten the bolts correctly
Worn guide sleeve/piston
guide (can be confirmed by
the cushion test)
Change the worn part
Side bolt
breakage
Uneven tension on the bolts Tighten the bolts correctly
15

Atlas Copco Secoroc YT29A Specifications

General

Brand	Atlas Copco
Model	Secoroc YT29A
Category	Drill
Language	English