16
17
!
Is the air filter clogged?
"
Shake out the filter or vacuum clean it. Change the filter if it is damaged.
!
Is the filter unit lid correctly installed?
"
Tension the lid correctly.
!
Is there any leakage in the installation? Get the suction cup to grip an air-tight,
flat board. Listen for leakage along the vacuum hose, couplings, air filter, top
swivel, lifting hose, control unit and suction cup.
"
Seal leaks or change components which leak.
!
Is there any rubbish inside the suction cup?
"
Remove the rubbish out of the suction cup.
!
Is the vacuum hose pinched anywhere?
"
Change the whole or part of the vacuum hose.
!
Do the test to see if a power cut makes the load sink rapidly.
(Please refer to “Weekly Maintenance”)
"
Contact your retailer.
!
Leakage in the lifting hose?
"
Change the lifting hose.
!
Leakage in the vacuum hose?
"
Seal the leakages or change the vacuum hose.
7. TROUBLESHOOTING
The load is not lifted or is lifted more slowly than normal
The load is lifted very slowly at first, but the speed increases as the
lift height increases.
If the load is not lifted, this could be because no vacuum is generated in the
lifting hose and/or suction foot. The reason for this is commonly leakage in
either the load or the lifting unit.
lifting hose and/or suction foot. The reason for this is commonly leakage in
either the load or the lifting unit.
