Chapter 5: maintenance – Sterlco TG 1200 Series Thermoform Granulators User Manual
Page 18

T-Series Thermoforming Granulators Maintenance
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Chapter 5: Maintenance
5-1 Preventative Maintenance Schedule
Check
Frequency
Operation of safety interlock switches
Daily
Knife clearance (0.15 mm – 0.20 mm; 0.006” – 0.008”)
Weekly
Knife retaining screws for tightness (271 Nm; 200 lbs./ft.)
Weekly
Knife exposure (1.0 mm; 0.040”)
Weekly
Belt tension
Monthly
5-2 Lubrication
The main drive motor, rotor bearings, feed roll reductor, tension idler sprocket, feed roll
cartridge bearings, and feed roll drive chain are all pre-lubricated at the factory. Check and
re-lubricate according to Figure 3.
Figure 3: Lubrication Requirements
Lubrication Point
Lubricant
Frequency
Drive motor
Refer to instruction plate on
motor
4 months or 3000 hours
Feed roll reductor
#90 Lube oil
Refill as needed
Feed roll cartridge
bearings
Chevron SRI #2
Exxon Andok C
Lidok EP1
2 months or 1500 hours. Grease
when machine is stopped until
small bead appears at bearing
seal, then wipe clean.
Feed roll tension arm
idler sprocket
Chevron SRI #2
Exxon Andok C
Lidok EP1
2 Months or 1500 hours. Grease
when machine is stopped until
small bead appears at nut edge,
then wipe clean.
Feed roll drive chain
Molykote Lubricant
As required by visual inspection
Rotor bearings
Chevron SRI #2
Exxon Andok C
Lidok EP1
2 Months or 1500 hours at 1
oz./bearing.