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Problem possible cause remedy
Logs are not being 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 jerkily or under heavy
vibration
⇒ Air in the circuit ⇒ 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
⇒ Hydraulic pump defective ⇒ To correct the problem, refer to the
manufacturer.
Motor will not start
⇒ No electrical power
⇒ Connection cable defective
⇒ Electric motor defective
⇒ Check the fuse (16 A).
⇒ 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 sealing ⇒ Replace the oil seal.
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Model ASP 4-370 ASP 5-520
Name ASP 4 ASP 5-520 N
Splitting force 40 kN (4 t) ± 10 % 50 kN (5 t) ± 10 %
Log length 370 mm 520 mm
Log diameter 50 – 250 mm
Stroke 302 mm 392
Piston rod diameter 30 mm
Hydraulic oil (max.) 2.7 litres 3.2 litres
Electric motor performance P = 1500 W ( S3 )
Power supply 230 V ~ 50 Hz
Revolutions 2850 rpm
Dimensions (Length x Width x Height) 770 x 260 x 455 mm 940 x 260 x 455 mm
Weight 36 kg 41 kg
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