AVMU MOTOR - FLEXIBLE SHAFT AND POKERS
12
AX25, AX32, AX40, AX48, AX58 - AVMU
TAX1m, TAX1-5m, TAX2m, TAX3m, TAX4m, TAX5m, TAX6m -
AVMU
en
11 LOCATING MALFUNCTIONS OF MOTOR
PROBLEM
CAUSE / SOLUTION
The unit is not working
1. Make sure power is on
2. Carbon brushes defect
3. Defective switch
The motor works but it overheats
1. Clean the frames’ in and out air vents
2. Make sure nuts and bolts fixing outer box are properly
fixed
The motor works slowly and it
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
12 LOCATING MALFUNCTIONS OF FLEXIBLE SHAFT AND POKERS
1
PROBLEM
CAUSE/SOLUTION
The motor works overload
and overheats
1.- Head is overlubricated.
2.- Too much grease in shaft or too little.
3.- Failure of seal and the transmission grease have gone into the head or the head oil
have gone out.
4.- Head movement is restricted.
5.- Transmission with extreme bents.
6.- Transmission in bad condition, broken hose.
Bearing failure
1.- Not enough oil in the head.
2.- The head has been working out of the concrete during a long time.
3.- Water has penetrated the head.
4.- The housing has received strong stroke.
