HAYWARD GORDON LTD
Page
10
Rev:
1
HRF Series Mixers
Date 11/99
Section: RF
MAINTENANCE
MOTORS
Each motor should be inspected at regular intervals. The frequency and degree of thoroughness
depends upon the environment and nature of service. The following suggested check list requires
only a few minutes and may result in considerable savings if followed regularly.
1. Cleanliness - coatings of dirt, dust and grease retard the flow of heat to the atmosphere and
may cause overheating. Wipe the motor clean and apply an inhibitor to rusted parts.
2. Temperature - allowable temperature is stamped on the motor nameplate. Overheating
indicates overloading, shorts or burned insulation.
3. Moisture - be sure motor is dry, inside and out, totally enclosed motors may accumulate
condensation under certain conditions. Most motors are equipped with a plugged hole to
permit drainage.
4. Noise - unusual noises from a motor mean trouble. This may be the first indication of a failing
bearing or loose connection.
GEAR DRIVES
Other than periodic lubrication as outlined in the LUBRICATION section, no routine operational
gear drive maintenance is required. In order to assure the longest life from your drive, annual shut
downs which can correspond with plant shut downs should be planned. Gear tooth contact and
wear patterns, shaft/bearing end play, alignment, bolting and condition of all seals should be
checked.
