Nederman A EX 2GD, Instruction Manual And Users Manual

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A EX 2GD - Vacuum Cleaners
23
EN
9 Troubleshooting
WARNING! Risk of personal injury.
• Disconnect vacuum cleaner from compressed air before any type of service
or transportation.
• Be cautious when performing maintenance; there is a crush risk with a
pneumatic cylinder.
• Empty dust into a container or dust bag, see Figure 8.
• Do not place vacuum cleaner on an uneven surface.
• Always use proper protective equipment where there is a risk for exposure
to dust, see Figure 8.
• Wear an approved breathing mask, and do not spread dust when cleaning or
replacing filters, see Figure 8.
• Always use proper lifting equipment and protective gear.
Problem Fault Solution
If specified vacuum is not
reached.
Clogged suction hose or inlet.
•
If specified vacuum is not reached, check all gaskets and connections.
•
Disconnect suction hose. Turn and suck in the opposite direction. If still clogged,
open it with a rod.
•
Clean ejector nozzles, see Figure 13.
•
Execute the vacuum test with suction inlet(s) closed.
Clogged filter.
•
For filter bag and cartridge filter cleaning, see Section 7 Maintenance .
•
NCF filter cleaning; check filter cleaning function by listening to noise from blow-
out valve. If not in operation, check quick coupling and function of blow-out valve.
Leaking suction hose. Replace suction hose.
Leaking gaskets. Remove and replace damaged neoprene gaskets. Use suitable two-component
glue.
Discharge valve open. Close valve.
Dust in exhaust air. Filter wrongly or not installed. Check the filter and replace if necessary.
Filter defect. Replace filter.
Water in exhaust air. Filter basket or float ball wrongly
or not installed.
Reattach filter basket or float ball.
Filter basket or float ball defect. Replace.
Abnormal noise level. Leaking gaskets. Remove and replace damaged neoprene gaskets. Use suitable two-component
glue.
Sound absorbing material
defect.
Dismantle the silencer hood and remove dirt. Replace damaged silencing material.