Optimum Optimum 3292385, Руководство по эксплуатации, Страница: 69 / 80

Malfunctions
Version 1.0.4 - 2020-10-13 69 Translation of original instruction
SD500AV EN
SD500A
V_G
B
_8.
fm
7 Malfunctions
Malfunction
Cause/
possible effects
Solution
New metal band saw does
not start up. • Frequency converter detects over-
load. • Run in a new metal band saw.

Running-in process on page
26
Machine does not turn on • Engine protective switch released
• No electrical power supply
• Operation control lamp is off
• Saw blade is not tensed
• Protective cover is not closed
• Check the engine
• Check the electrical connection
• Lamp defective, no power supply
• Control tension of saw blade
• Control protective cover and end
position switch
Saw motor overloading
Saw motor overheating
• Engine cooling air intake
obstructed
• Motor not correctly fixed
• Power unit for saw blade not pro-
perly fixed
• Wrong electrical connection
• Tension of saw blade too high
• Saw blade with too fine toothing
for large workpiece dimensions
• Check and clean
• Requires technical service! Have
the machine repaired in the work-
shop
•

First commissioning on page
26
• Reduce tension of saw blade
• Use saw blade with correct too-
thing
Cooling agent
feed not working • Cooling agent tank empty
• Cooling agent tap locked
• Cooling agent tap blocked
• Cooling agent duct bent or blocked
• Air in the system, e.g. after refilling
• Pump doesn’t work
• Fill
• Open
• Cleaning
• Check and clean
• Bleed by opening the valves
• Check pump
Short life of saw band
(Teeth blunt)
• Quality of saw band not suitable
for this material
• An incorrect tooth spacing causes
breakage of teeth (the broken
tooth in the workpiece blunts the
other teeth)
• Missing cooling
• Cutting speed too high
• Feed too high
• Saw band of higher quality
(choose bimetallic)
• Select correct tooth pitch
• Use coolant equipment
• Reduce cutting speed
• Reduce feed
Breakage of tooth • The chip space in the saw band is
overcharged, tooth pitch incorrect • Use saw band with a different
tooth pitch or reduce feed
Breakage of the saw blade • Tension in the saw band too high
or too low
• Saw blade defective
• Saw blade guide adjusted incor-
rectly
• Check tension of saw blade
• Replace
• Adjust blade guide correctly