11 problems / trouble shooting – Lukas P 600 OB User Manual
Page 15

15
11
Problems / trouble shooting
Index: P = problem
S = symptom
C = check
P:
pump fails to deliver oil
S:
rescue tool doesn’t move when the star grip is turned
C:
hoses and quick couplers properly connected ? Battery properly charged ?
-> After adding or changing hydraulic oil the pump must be vented (see 10.3)
-> Is the red light on the charge indication panel on ?
-> Recharge the battery.
P:
system pressure is not reached
C:
check with a testing pressure gauge
-> Spring of the pressure relief valve needs readjustment
-> Valve must be readjusted by an authorized dealer
-> Radial piston pump doesn’t function properly
-> Function of piston elements to be checked by an authorized dealer
P:
hose couplings cannot be connected
S:
the hose is still presurized
-> Open the dump valve to release pressure from the hose
P:
the connected rescue tool cannot be fully opened
C.
the tool can be properly closed
-> The oil quantity in the reservoir is not sufficient
-> Close and uncouple the tool. Refill hydraulic oil as per para 10.3. Please read also
Para 9.8 ”operation of several rescue tools”
P:
the thermo breaker on the main switch is activated
S:
the main switch returns to ”off” automatically
C:
check correct power supply – 24V DC and max. 20A
-> switch the pump on again
-> should the thermo switch open again, the electric system must be checked by an
authorized dealer
P:
the indicator pin is extended
S:
the red shaft of the pin becomes visible
-> adjust the hydraulic oil level as per para 10.3
F: Pump cannot be switched off
S: The pump is running even with the main switch set to ”off”
-> Remove the battery from the pump (see chapter 9.6)
Attention! This will cause sparks on the electric contacts. In hazardous atmosphere
there is the risk of a explosion. Take suitable measures for your personal protection so
as not to come in contact with eventual sparks.
F:
No rescue tool is connected, the hoses on the pump are pressurized and the dump valve is
faulty.
S:
Couplings cannot be connected, even when the dump valve is opened
-> Make sure that the pump intentionally or unintentionally cannot be switched on and
contact a authorized LUKAS dealer or the LUKAS service department.
If the defects cannot be repaired, contact an authorized LUKAS dealer or the LUKAS service
department. The address: LUKAS Hydraulik GmbH, Weinstraße 39, 91058 Erlangen – Germany,
Tel. +49 / 9131 698 348, Fax +49 / 9131 698-353.