Maintenance Instructions
WARNING Make sure machine is unplugged from power source before performing maintenance or making any adjustment.
Lubrication
Keep a light coating of oil on rack and pinion and drill spindle.
Ventilation
Keep drill motor inlet and air passage clear to assure proper motor ventilation.
Motor Brush Replacement
Check motor brushes every 200 hours and replace when brushes become 1/4 inch or less in length.
Bit Replacement
Bit is considered worn when the crown shows excessive wear and has become flush with tube.
Shims
Carriage head will become loose due to vibrations. Tighten shim adjusting screws to remove play.
Vacuum Seal
Replace vacuum seal if it becomes mushroomed on bottom edge, cracked, pitted, or worn.
Machine Storage
Service and Repair
WARNING!
Service and repair work on this Core Drilling Machine must be performed by qualified repair personnel. Machine should be taken to a RIDGID Independent Authorized Service Center or returned to the factory. All repairs made by Ridge service facilities are warranted against defects in material and workmanship.
When servicing this machine, only identical replace- ment parts should be used. Failure to follow these instructions may create a risk of electrical shock or other serious injury.
If you have any questions regarding the service or repair of this machine, call or write to:
Ridge Tool Company
Technical Service Department
400 Clark Street
Elyria, Ohio
Tel: (800)
For name and address of your nearest Independent Authorized Service Center, contact the Ridge Tool Company at (800)
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