EFA SB 326 Originalbetriebsanleitung Seite 26

Malfunction
Run-out of saw cut
Belt comes off the wheel
No water while cleaning /
disinfecting
Sparks in controller when
switching on
Tab. 2 Troubleshooting
Schmid & Wezel
Possible cause
Saw belt guide worn
Guide seat on rail (front or back)
worn out leading to the whole guide
being aslant
Belt saw suspension wound around
bolt leading to the entire saw being
aslant
Belt not properly in place, teeth
won't grip
Excessive groove in front or rear
guide pulley
Excessive groove in front or rear
guide pulley or pulley worn out
Too little torque
Ball race of wheels (front / rear)
worn out
Frame warped
Solenoid valve in controller (see
7009757/7009622) dirty or defective
or loose
Electrical connection defective
Water connection defective or loose
No water connection on-site or con-
nection defective
Timing relay delay setting too short
in controller
Nozzles or water pipe scaled or
dirty
2-hand safety block (labelled KO)
defective
Power contactor (labelled K1/K1M)
defective
Wrong voltage supplied
Seite / Page
26 / 33
Solution
See section 5.2 "Saw belt guide"
Replace rail - always replace both rails
(front and back) together!!!
Provide correct suspension or replace
bolt
Place belt on wheel with teeth facing the
motor, see section 5.2 "Saw belt guide"
Check and replace wheels as necessary
Check and replace wheels as necessary
Re-tighten belt using the torque wrench
Check bearing play and replace bearing
as necessary
Total loss; new frame with components
installed
Clean or replace solenoid valve
Check, replace wires as necessary
Check, replace hoses as necessary
Check and correct
Adapt delay setting (see Annex "Tech-
nical Data"
Clean or replace parts
Check and replace 2-hand safety block
as necessary
Check and replace power contactor as
necessary
Check power contactor and 2-hand
safety block for damage and replace as
necessary
Stand / Version
01 / 2020