Operation Manual

Electric motor performance P = 1500 W S3 (8 mi
n/2 min)
50 – 250 mm
520
Problem possible cause remedy
Logs are not bein
g split properly
(insufficient splitting performance)
⇒ The log is not positioned correctly
⇒ The log exceeds the maximum
dimensions or the wood is too hard for
the performance of the machine
⇒ The splitting wedge is not working
properly
⇒ Oil leak
⇒ Hydraulic pressure too low
⇒ Incorrect connecting lead (longer than
10 m or too small cable cross-section)
⇒ Reposition the log correctly
⇒ Cut the log to the required dimensions
⇒ Sharpen the splitting wedge, and check
for any burrs or notches
⇒ Place a sheet of cardboard under the
log splitter in order to locate the leak.
To correct the problem, refer to the
manufacturer.
⇒ Check the oil level and add more oil if
necessary.
If the problem cannot be rectified, refer
to the manufacturer.
⇒ Use the correct connecting lead
Log ram travels out je
rkily or under heavy
vibration
⇒ Air in the circui
t ⇒ Open the bleed screw
⇒ Check the oil level and add more oil if
necessary.
If the problem cannot be rectified, refer
to the manufacturer.
Log ram will not move out
⇒ Hydrau
lic pump defective ⇒ To correct the problem, refer to the
manufacturer.
Motor will not start
⇒ No electrical powe
r
⇒ Connection cable defective
⇒ Electric motor defective
⇒ Check the fuse (13A).
⇒ Replace the connection cable or have it
checked by an electrician.
⇒ To correct the problem, refer to the
manufacturer.
Oil leak at the dipstick
⇒ Oil seal at the dipstick not s
ealin
g ⇒ Replace the oil seal.
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Name
Model
Splitting force
Log length 520 mm
Log diameter
Stroke
Power supply 230 V ~ 50 Hz
Rev
o
l
u
ti
ons 28
20 r
pm
8
LS520H -LS520D
50kN(5T)
COBRA LS520H
T
Trouble Shooting