Maintenance And Troubleshooting - EFA SK18 S Originalbetriebsanleitung

5 Maintenance and
troubleshooting
Malfunction
Turn on the switch (a16.6),
motor does not start
Saw blade does not come to
a standstill within 3 seconds
Turn on the switch (a16.6),
motor runs, motor grows hot,
saw blade runs
Saw makes an abnormally
loud sound (motor or gear
head)
Saw blade "wobbles"
No cutting performance
Table 2 Troubleshooting
Repairs may only be carried out by authorised
specialists. Our Service department is at your
disposal for all repair work. In the event of a re-
pair, please contact your nearest service cen-
tre or our parent company directly.
Schmid & Wezel
Possible cause
Connection to works mains defective
Circuit breaker of works mains FAULT
Snap-action switch (a16.7) faulty or connec-
tion is loose
Cable core in cable (a20) broken/defective
Inductor stampings (a14) or armature (a6)
defective
Electronics faulty
Inductor stampings (a14) or armature (a6)
defective
Check if engine mounting (a8 and a9) defec-
tive
Bearing in gear head defective (b4,b5,b6 or
b7)
Sprockets of bevel gear wheel pair (b16) are
worn out
Saw blade (10) not correctly mounted or se-
cured
Bearing (b6 or b7) defective
Saw blade blunt
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Malfunctions may occur during operation, but
these are generally relatively simple to remedy.
In Table 2: "Malfunctions and troubleshooting"
these malfunctions with possible causes and re-
sulting remedial actions are indicated.
Solution
Check the connection and install a
new connection, if necessary
Inspect the circuit breaker, switch
on again or replace
Check contacts and connection, re-
place switch if necessary
Inspect the cable (a20) and replace,
if necessary
Inspect, replace if necessary
Inspect, replace if necessary
Inspect, replace if necessary
Inspect, replace if necessary
Inspect, replace if necessary
Inspect, replace if necessary
Inspect saw blade retainer (square),
replace, if required and fasten with
nut (b20).
Inspect, replace if necessary
Sharpen or replace saw blade
On request, spare parts lists can be supplied to
the repair workshop with qualified specialist
staff.
Stand / Version
08 / 2018