PRO-POINT 8348674 Mode D'emploi page 12

8348674
PROBLEMS
Tools will not
run. Air flows
freely from
exhaust.
Tool will not
shut off.
Loss of
power or
erratic
performance.
12
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AIR NEEDLE SCALER
POSSIBLE CAUSES
Piston is jammed.
1. Throttle valve
o-ring dislodged
from seat inlet
valve.
2. Trigger mechanism
jammed or dirty.
Excessive drain on the
air hose. Incorrect size
or type of hose
connectors.
Moisture or restriction
in the air hose/tank
Air compressor has
insufficient flow.
For technical questions call 1-800-665-8685
SUGGESTED SOLUTIONS
3. Sharply strike punch with
a hammer to loosen
piston.
4. If still jammed,
disassemble barrel from
housing and use punch to
push piston through the
rear of barrel.
5. Clean the barrel and
piston. Remove any rust.
6. Reassemble.
1. Replace throttle valve
o-rings.
2. Clean trigger mechanism
and lubricate.
Check the air hose and
confirm the hose fitting is
correct for the inlet bushing.
Depressurize system and
drain tank and air hose of
water.
Ensure tool is connected to
a compressor with a rate
flow that matches the tool.
V1.0