4-6
4 Maintenace
4
Every 6 months
a) Remove Weld/Cut Knife blade and replace it if its 6 months old.
Every 2 years
a) Replace rubber and sponge on the rear pack clamp.
Every 5 years
a) Replace all seals in the pneumatic cylinders or replace whole cylinders.
4.1-2 Shrink Tunnel
Weekly
a) Clean the residue of polymer from tunnel at the outfeed of the tunnel whilst the
tunnel is running and hot. A piece of cloth or a brass brush should be used.
When finished use a rag saturated in silicon oil and rub it on the belt as it moves
around.
b) Lubricate conveyor support runners with silicon oil or grease.
c) Check inside of the shrink tunnel chamber and remove if some foreign particles
or PE melt residues are found.
d) Take out and clean the ventilation grill and sponge located on the side of
control box.
Months after installation
a) Check the chain for slacking and remove a few links if required.
b) Check tunnel’s belt condition. Lubricate top of belt’s slides with silicone oil,
coule of drops per slide when belt is moving.
Note! The bottom of the tunnel can be lowered down and easily removed for the
purpose of major cleaning.
Once a year
a) Check the chain for slacking. Remove a few links and rejoin if the chain is found
extended.
b) Adjust the conveyer motor to down position to reduce the slack in the drive
chain. Lubricate the chain with oil.
c) Replace the curtains at the entry or the exit to the tunnel if damaged.
d) Check the conveyor support bars. Specifically the middle ones. If necessary
replace or swap inside pair with outside pair.
Once in 2 years
a) Check heater switching contactor(s) for contact burnout. Replace if necessary
damaged or heavy blackening.
Once in 5 years
a) Replace conveyor belt if underside is showing excessive wear.
b) Replace conveyor belt support runners.
To Next Page