Diamond Products FZ-4S - Manual (Page 36)

Troubleshooting FZ-4S
Page 36 FZ-4S_e_0205.fm
Main pressure fluctuates wildly Speed too low Mount correct saw motor according to
motor table
Saw motor worn out Exchange motor
Defective drive unit Check drive unit
Wrong or defective feed motor Exchange motor
Blade does not rotate when main circuit
is switched on Saw blade jams Lift saw blade from cut slightly
Defective drive unit Check drive unit
For safety reasons the main shaft of the
wall saw head is immobilised if no blade
seat flange is mounted on the hub Mount saw blade correctly with blade
seat flange on the hub
Incorrectly coupled Check couplings
Saw motor heavily fouled by oil Defective saw motor shaft sealing ring Exchange shaft sealing ring
Motor size 3 leak oil connection
incorrectly coupled Couple leak oil connection correctly
Leaky seals or couplings (FD) Exchange seals or couplings, contact
HYDROSTRESS after sales service
Coupling leaks Defective seal Replace seal
Defective coupling Replace coupling
No water on saw blade Water valve shut off Open water valve.
Water hose incorrectly coupled Couple water hose, locking ring must
slide forwards
Water pressure too low Water pressure: min. 1 bar
Water supply interrupted Check the water supply
Pipes frozen Thaw pipes, contact HYDROSTRESS
after sales service
Defective seal between shaft and blade
hub Exchange seal, contact
HYDROSTRESS after sales service
Sawing power is inadequate, despite
correctly selected saw motor Defective saw motor Replace saw motor
Defective feed motor Replace feed motor
Defective drive unit Check drive unit
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