Contents Troubleshooting; Lubrication - Central Pneumatic 97870 Set Up And Operating Instructions Manual

Air micro die grinder
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Problem
Decreased output. 1. Not enough air pressure and/
2. Obstructed valve.
3. Incorrect lubrication
4. Blocked air inlet screen (if
5. Air leaking from loose housing.
6. Mechanism contaminated.
7. Rotor blade wear or damage.
Housing heats
1. Incorrect lubrication or not
during use.
2. Worn parts.
Severe air
1. Cross-threaded housing
leakage.
(Slight air leakage
is normal,
2. Loose housing.
especially on older
tools.)
3. Damaged valve or housing.
4. Dirty, worn or damaged Control
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect air supply before service.
SKU 97870
For technical questions, please call 1-800-444-3353.
Troubleshooting
Possible Causes
or air flow.
inadequately lubricated.
equipped).
enough lubrication.
components.
Ring (3).
Likely Solutions
1. Check for loose connections and make sure
that air supply is providing enough air flow
(CFM) at required pressure (PSI) to the
tool's air inlet. Do not exceed maximum air
pressure.
2. Clean around valve to ensure free
movement.
3. Lubricate using air tool oil and grease
according to directions.
4. Clean air inlet screen of buildup.
5. Make sure housing is properly assembled
and tight.
6. Have qualified service technician clean and
lubricate mechanism. Install in-line filter in air
supply as stated in Initial Set Up: Air Supply.
7. Replace all rotor blades as a set.
1. Lubricate using air tool oil and grease
according to directions.
2. Have qualified service technician inspect
internal mechanism and replace parts as
needed.
1. Check for incorrect alignment and uneven
gaps. If cross-threaded, disassemble and
replace damaged parts before assembly.
2. Tighten housing assembly. If housing cannot
be tightened properly, internal parts may be
misaligned.
3. Replace damaged components.
4. Clean or replace Control Ring assembly.
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