Heiniger USV/K Manual De Instrucciones página 25

Motor Section
MALFUNCTION
Motor does not run
Overload protection switch con-
stantly trips out (Illustration 5)
Motor runs very slowly
Motor section gets warm
Motor section whistles loudly
Motor vibrates
Instruction manual USV
CAUSE
No power
Faulty cable
Faulty switch or motor
Overload protection switch tripped
out
Blades jammed (Illustration 6)
Air filter blocked (Illustration 12)
Faulty rotor or stator
Faulty over-current protection
switch
Carbon brushes worn down
Rotor or stator are defective
Air filter is blocked; air can no
longer circulate (Illustration 1,
Item 17)
Shearing tension too high clipping
Faulty bearings (ingress of
cleaning fluid)
Reducing gear and shafts without
lubricant
(Illustration 1, Items 9+10)
Rotor runs untrue (caused by
sharp knock)
Bearings are worn out
RECTIFICATION
Check lead and fuse
Have it checked and changed by
service centre
Have it repaired by service centre
Push in (Illustration 5)
Remove jam
Clean or replace air filter
Have rotor/stator replaced
Have overload protection switch
replaced
Have carbon brushes replaced by
service centre
Have rotor and/or stator replaced
Remove air filter and clean with
brush or replace filter
Do not tighten pressure regulating
screw so much (Illustration 7). If
the blades still do not cut, they
should be resharpened or replaced
Have bearings replaced
Have reducing gear and shaft
lubricated
Have rotor replaced
Have bearings replaced
13