Porter-Cable 7800 - Manual (Page 12)

Fig. 10
TRANSPORTATION AND STORAGE
Keep the Drywall Sander dry during transport and storage. Do not allow
anything to press against the abrasive pad. The pad might deform, causing it
to sand unevenly. If the pad cannot be protected during transport or storage:
remove the abrasive pad and store it separately.
MAINTENANCE
KEEP TOOL CLEAN
Periodically blow out all air passages with dry compressed air. All plastic parts
should be cleaned with a soft damp cloth. NEVER use solvents to clean
plastic parts. They could possibly dissolve or otherwise damage the material.
CAUTION: Wear safety glasses while using compressed air.
FAILURE TO START
Should your tool fail to start, check to make sure the prongs on the cord plug
are making good contact in the outlet. Also, check for blown fuses or open
circuit breakers in the line.
LUBRICATION
This tool has been lubricated with a sufficient amount of high grade lubricant
for the life of the unit under normal operating conditions. No further lubrication
is necessary.
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