Machine Manual
Orion
Sentry HP/ LP Flex Stretchwrapper
Revision 3.1
Maintenance
21 May 2020
Page 5-6
Preventative Maintenance Schedule
PM Intervals
PM Intervals are based on an average usage of a 16 hour production day.
All general information about machine maintenance is based on normal machine working
conditions: indoor, moderate dust and low moisture environment, and maximum rotation
of 15 RPM. They should be regarded as guidelines, reviewed and corrected according to
requirements of actual use and conditions.
All Sentry Standard Series
Daily
•
Prior to switching the film roll, inspect that there is no excess film wrapped around
any of the carriage rollers.
•
Use compressed air to blow out any loose debris in the carriage.
•
Monitor the machine during operation for any abnormal noises or vibrations.
5,760 Loads or one month
•
Inspect rubber stretch rollers. Clean as needed per instructions in manual. Replace
worn rollers, as needed.
17,280 Loads or three months
•
Inspect under turntable. Check the chain tensioner. Use compressed air to clean debris
as needed.
•
Inspect turntable support casters for good condition.
•
Inspect carriage lift chain condition. Tension as needed. Apply a light coating of lubri-
cant.
•
Inspect prestretch chain. Tension as needed. Apply a light coating of lubricant.
•
Inspect turntable chain. Tension as needed. Apply a light coating of lubricant.
34,560 Loads or 6 months.
•
Check all hardware. Tighten screws and bolts, as needed.
Table 5-2. PM Frequency
FREQUENCY
PERIOD
DESCRIPTION
12
LPH
(Hour)
96
LPS
(Shift)
192 LPD
(Day)
5760 LPM
(Month)
17,280
LP3M
(3Months)
34,560
LP6M
(6Months)
