Flexible Shaft Maintenance
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Flex Shaft
Maintenance Kits
It is very important to routinely clean and lubricate
your power tool. Dirt and improper lubrication are the most common causes of
poor operation and excessive wear. The maintenance procedures described in your
Owner's Manual should be carefully followed. The following is a brief summary of
routine cleaning and servicing requirements:
| The flexible shaft should be cleaned and
lubricated every 50 hours of use. When operating
your power tools be careful not to bend the flexible shaft too much at
either the handpiece or motor shaft connections. Excessive heat and war will
occur if the bend is too great. Follow these guidelines for
trouble-free use:
- A 4" or larger radius, as shown to the right, should be
maintained for shafts on all motors.
- The Series H can withstand 28 Ibs. of torque before
breaking in its normal curved position and all other Series can tolerate
up to 12 Ibs. of torque.
- Motor brushes should be replaced when they are worn
downto 1/4" from their original 3/4" length.
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- All Foredom handpieces have permanently lubricated ball
bearings (except Nos. 7 and 7D) that do not require any lubrication.
However, lubrication is required on handpieces with duplex connections and
for gears in angle handpieces Nos. 55A/SSD and 56A/56D.
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The Maintenance Kits listed below contain a
spare flexible shaft to replace worn or broken shafts, one pair of
replacement motor brushes, a tube of flexible shaft grease, (and oil in kits
for sleeve bearing models).
- Kit MK-I for Sleeve Bearing CC, DD, MM, R and RB
models
- Kit MK-6A for Ball Bearing R and RB models
- Kit MK-2 for Sleeve Bearing EE, GG and MMG models
- Kit MK-7 for Ball Bearing EE, GG and MMG models
- Kit MK-3 for Sleeve Bearing F hang-up model
- Kit MK-9 for Ball Bearing CC, DD, MM, S SB & SM
models.
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