Weber Rescue Systems SP 35 AS, Operating Instructions Manual

Page: 37 / 44

9 Malfunctions
Fault Possible cause Remedial measures
Equipment fails to deliver full
performance
Control buttons not fully depressed Fully depress control buttons
Equipment delivers no power or
moves in the opposite direction to that
commanded Pressure line (P) and return line
(T) were transposed when hoses or
couplings were replaced
Change round, repair by authorised
customer service
Spreader cannot be coupled
Pressure build-up due to heating
(only SKS coupling)
Coupling is damaged or heavily
soiled
Drain a little oil out of the equipment
with the pressure relief plug, see
chapter 4.3 (only SKS coupling)
Oil escaping at the control handle (hole
between the hoses) Return hose is not correctly coupled
(only SKS coupling)
Move power unit control lever to the
"0" position and couple correctly (only
SKS coupling)
Equipment non-functional despite
actuating the control buttons
Pressure hose is not coupled
Move power unit control lever to the
"0" position and couple correctly (only
SKS coupling)
Spreader exhibits movement in the
opposite direction under load
Check non-return valve
Have the equipment checked by
authorised customer services
Oil discharge on the hoses or their
bondings
Hoses leaking, possibly due to damage Repair by authorised customer service
Degradation of the surfaces of the
hoses
Contact with aggressive chemical fluids Repair by authorised customer service
Oil escaping at the coupling halves Coupling leaking
Replace coupling, repair by authorised
customer service
Malfunctions | 37