13
PVD2000 / PVS / PVM
D
ok
: 101503A
-GB 1931
PROBLEM
CAUSE / SOLUTION
The drive unit is not starting
1. Make sure power is on
2. Carbon brushes defect
3. Defective switch
The motor rotate but it overheats
1. Clean the air intake and output openings in the
housing and/or change filter.
2. Make sure nuts and bolts fixing outer box are
properly fixed
The motor works slow and overheats
1. Verify voltage of electrical system
2. Check the cable specification
3. Defective poker or shaft
The motor becomes too noisy
1. Defective carbon brushes
2. Defective bearings
3. The rotor might be touching the stator
4. Outer cladding broken or has loose bolts
FAULTY TRACING, DRIVE UNIT
FAULTY TRACING, FLEXIBLE SHAFT AND POKER
PROBLEM
CAUSE / SOLUTION
The motor works with overload and
become overheated
1. Head is over lubricated with oil
2. To much or to less grease in the shaft
3. Failure on the seal, the transmission grease have
escaped to the tube, or the opposite. The oil has
escaped to the shaft
4. Head movement is restricted.
5. The flexible shaft is extreme bent
6. Transmission shaft is in bad condition
Bearing failure
1. Not enough with oil in the tube
2. The vibrator tube has been working to long
outside the concrete slab.
3. Water has penetrated into the tube
