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11. Faults, causes, and
remedies
Electric shock
Performing work on products that have not
been de
-energized may result in serious
Disconnect the product from the power supply
before any work on electrical components.
Assembly, maintenance, and repair work may only
be performed on products that have been de
-
energized by qualified technical personnel. The
supply voltage must be switc
hed off before
opening any of the product's components.
Pressure
Damage and injury from working on
pressurized system components
Centralized lubrication systems are pressurized
during operation. Centralized lubrication systems
must therefore be depressurized before starting
assembly, maintenance, or repair work, or any
system modifications or system repairs.
Burn injury hazard
Injury due to hot surfaces on system
components
The hot surfaces of a motor could cause burns.
Motor surfaces may only be
touched with
appropriate gloves or after the motor has been
shut off for an extended time.
Dismantling of the product or individual parts of the product
within the statutory warranty period is prohibited and voids
any claims
Any assembly, maintenance, and repair work beyond this
scope must be performed by the Service
department of
SKF Lubrication Systems Germany GmbH only
Only original spare parts from
SKF
Lubrication Systems Germany GmbH may be used.
Unauthorized alterations to products and the use of non
-
original spare parts and accessories are prohibited.
The following tables provide an overview of possible
malfunctions and their causes. Contact the SKF Service
department if you cannot remedy the malfunction.
11.1 Prior to beginning troubleshooting
If the gear pump unit does not pump, first check the customer’s
power supply. Only after the power supply has been verified and
there are no system-related malfunctions outside of the pump
should you search for and resolve the source of the error on the
pump in accordance with Chapter 11.3 Commissioning, product,
and system malfunctions.
11.2 Replacing a defective fuse (24 VDC)
Defective fuse
Danger from using an incorrect fuse
The cause of the malfunction must be resolved prior to
replacing the defective fuse.
The defective fuse may only be replaced with a fuse of the
same type.
Fuse replacement
Legend to Figure 95:
1 Bayonet closure of the fuse housing
2 Defective fuse
Fuse
Cartridge fuse link (5x20 mm)
T2A per DIN
EN 60127-2
0820-
1. Resolve the cause of the malfunction
2. Disconnect the gear pump unit from the power supply
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