User manual

97
Version 2.4 (10/2011) en
Original instructions
Drum Motor
Maintenance and cleaning
Warning notices concerning maintenance and cleaning
Preparation for maintenance and hand cleaning
¾ Switch off the power supply of the Drum Motor.
¾ Turn off the main power supply switch to disconnect the Drum Motor.
¾ Open the Terminal Box and disconnect the cables.
¾ Put up a sign at the control box signalizing the maintenance work.
Maintenance
In general Interroll Drum Motors are maintenance-free and require no specific
attention during their normal operational lifetime. Nevertheless some inspections
should be done at periodical intervals:
Checking the Drum Motor
¾ Each day, ensure that the Drum Motor is free to rotate without encumbrance.
¾ Each day, check the Drum Motor for visible damage.
¾ Each day, check that the belt is aligned correctly and runs central to the drum
motor and parallel with the conveyor frame. Adjust the alignment if necessary.
¾ Once per week, ensure that the drum motor shaft and brackets are secured
properly to the conveyor frame.
¾ Once per week, ensure that cables, leads and connections are in good
condition and fixed securely.
Re-greasing the Drum Motor Some Drum Motors are equipped with re-greasable nipples.
¾ If re-greasable nipples are supplied, top up as necessary with Shell Cassida
grease RLS 2 food grade synthetic after every cleaning with hot water and
high pressure. If the cleaning is only done with warm running water, regrease
the Drum Motor once a week.
Maintaining Drum Motors with
optional re-greasable IP66
seals
¾ Re-grease IP66 re-greasable seals regularly with anti-friction and/or food-
grade grease in accordance with the operating and environmental conditions.
¾ Re-grease more frequently if installed in aggressive environments and
continuous contact with water, salt, dust, etc. or where working under full load.
Replacing a Drum Motor If a Drum Motor is damaged or broken, remove it before repair or replacement
(see "Abandonment", page 117 and see "Mounting the Drum Motor", page 87).
Risk of injury due to improper handling or accidental
motor starts
¾ Maintenance work and cleaning may only be executed
by qualified and authorized persons.
¾ Only perform maintenance work after switching off the
power. Ensure that the Drum Motor cannot be turned on
accidentally.
¾ Set up signs indicating maintenance work.
CAUTION