TROUBLESHOO
TING
20
AIR-POWERED HAMMER/CHISEL 058-9331-2
Troubleshooting
The following chart lists common issues and solutions. Please read it carefully and follow all
instructions closely.
WARNING!
Potential hazard that could result in serious injury or loss of life.
•
If any of the following symptoms appear wh
ile the tool is in use, turn it off and
disconnect it from the air supply immedi
ately. Failure to heed this warning
could result in serious injury or loss of life.
•
Disconnect the tool and the electrical plug from the air supply before making
any adjustments.
•
Repairs must be performed by a qualified service technician only.
P
R
OBLEM
POSS
I
BLE CAUSES
SOLUT
I
ONS
Tool runs at normal
speed but loses
power under load.
1. Motor parts are worn or
damaged.
2. Cam clutch is worn or stuck due
to lack of lubricant.
1. Lubricate clutch housing.
2. Check for excess clutch oil. Clutch cases
should only be half filled, as overfilling can
cause drag on high
-
speed clutch parts. A
typical oiled/lubricated wrench requires ½
oz (14 ml) of oil.
Grease lubrication:
Heat is generated due to insufficient grease in
the chamber. Severe operating conditions may
require frequent lubrication.
I
f the
p
roblem
p
ersists,
p
lease contact
1
-
800
-
689
-
9928.
