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MAINTENANCE
Door machines work in an environment of endless sawdust. Sawdust is not only very abrasive when
allowed to penetrate motors, bearings, etc., but it also contains pitch. Pitch clings to sliding surfaces and
eventually coats the bearings. Mechanisms become “sticky” and, if not cleaned, soon become inoperable.
To combat the effects of sawdust on your machine the following recommendations are made:
1. Using an air hose blow all motors and routers off 2-3 times daily.
2. Clean slide rods on router carriage and latch drill daily with a non-oil based solvent (Electrical/Elec
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tronic Grade Contact Cleaner), and wipe rods completely dry with clean dry cloth. DO NOT LUBRI
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CATE! Any type of lubrication on these slide rods will merely collect more sawdust. Clean and wipe
dry the slide rods on the lock and latch drills weekly.
3. Clean gears and gear racks on elevator mechanism daily. A good stiff brush is best, but an air hose is
better than nothing. DO NOT LUBRICATE! Wipe vertical posts on elevator clean daily.
4. Once a month remove door edge rollers and clean the roller I.D. and shaft O.D. with a non-oil based
solvent, electrical/electronic contact cleaner. Wipe dry, DO NOT LUBRICATE!
5. Inspect and clean weekly the two cam guides and rollers on the jamb rack These components are
located on the backside of the jamb rack on opposite ends. First blow the cavities clean, then take a
brush and clean any pitch left on the rollers and guides.
5-2 CUTTERHEADS:
When the blades of the Cutterhead become dull or damaged it will be necessary to replace them. Please
keep the following three items in mind.
1. Each blade is reversible and can be used twice.
2. Only use the correct inserts for this cutterhead for proper operation, The replacement blades are
available from Norfield Tools and Supplies.
3. The head turns in excess of 7000 RPM and any imbalance will result in severely shortening the life of
the bearings in the cutterhead mandrel, in addition to giving a poor finish to the door edge.
Most local grinding services are not equipped to provide the proper sizing and balancing. Therefore, we
urge owners not to send their cutterheads or knives for sharpening. Use only the correct replacement
knives.
Keep all cutting tools sharp. Dull cutterheads, router bits or drill bits will not only do shabby work, they
shorten the life of essential parts of your machine.
SECTION 5:
MAINTENANCE
5-1 GENERAL MAINTENANCE: