ARO 8365 Instrukcja obsługi - Strona 13

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TROUBLE SHOOTING
M105
20
LISTED BELOW ARE SOME OF THE MOST COMMON CAUSES FOR THE SELF-FEED DRILL TO MALFUNCTION. MALFUNCTIONS BEYOND THE SCOPE
OF THIS MANUAL SHOULD BE BROUGHT TO THE ATTENTION OF YOUR ARO REPRESENTATIVE
OR RETURN THE TOOL TO FACTORY FOR REPAIR.
CONDITION
Failure to feed or ir-
regular or erratic
feed.
Low speed or motor
fails to operate.
Motor continues to
run after retraction
Failure to retract.
POSSIBLE CAUSE
1. Inadequate air supply.
2. Feed control
Valves
improperly
adjusted.
3. Air leak around cap (15).
4. Dirt or damaged "0" rings on
spool valve (16).
5. Clogged air passage in valve
housing.
1. Inadequate air supply.
2. Clogged air passage in valve
housing.
1. Piston not fully retracted.
2. Damaged "0" ring (13) inside
valve housing.
1. Improper adjustment or alignment
between adjustment screw and
button bleed valve,
2. Feed control valves (25) im-
properly adjusted or ditty
3. Air leak around cap (15).
4. Damaged "0" rings in muffler
cap, valve housing or spool valve
or seals on piston.
5. Clogged air passages in valve
housing.
CORRECTIVE ACTION
1. Check air supply for correct regulator adjustment (90 p.s.i.g.
max. when tool is operating).
2. Refer to set-up procedure, page 1.
3. Check for damage to "0" ring. Check and insure caps are
properly tightened.
4. Refer to valve section, page 4, and remove spool valve. In-
spect, clean and replace "0" rings.
5. Remove valve housing from tool. Disassemble and blow all air
passages clear of debris.
1. Check air supply for correct regulator adjustment.
2. Remove valve housing from tool. Disassemble and blow all air
passages clear of debris.
1. Insure piston is not obstructed and is returned all the way
back.
2. Remove valve housing from tool. Replace "0" rings
1. Refer to set-up procedure, page 1
2. Check adjustment, refer to page 2. Remove, inspect and
clean.
3. Check for damage to "0" ring. Check and insure caps are
properly tightened.
4. Disassemble, inspect and replace "0" rings and/or seals.
5. Remove valve housing from tool. Disassemble and blow air
passages clear of debris.