Knapen Trailers K200 - Troubleshooting; Troubleshooting moving floor

65
User Manual EN | v201906
7 Troubleshooting
7.1 Troubleshooting moving oor
Iftheoorsystemdoesnotfunctionproperly,ordoesnotfunctionatall,despitethemeticulousfollow-upofthe
operatinginstructions,checkthefollowingpoints:
System malfunction Cause Solution
System is not working,
nooilow
control valve
PTO not switched on Switch on PTO
Block quick couplings Check quick couplings/mount correctly
Pressure-reliefvalvetruckbroken Replacepressure-reliefvalve
System is not working,
oilowat
control valve
Lighting not switched on, no power on the
system
Switch on the lighting
Temperature protection switched on,
oil temperature is higher than 70 ° C
Cool oil to 60 ° C
Emergency switch operated Deactivate the emergency switch
Magnetic valve GS02 on/off Break in coil/
wiring
Temporarily activate the emergency
control GS02 and/or repair the power
circuit
Dirtypressure-reliefvalve Clean with compressed air/replace
Controllever(B-control)isinthecentre
position
Move the control lever towards loading or
unloading
Controlvalve(E-control)isincentre
position Flow < 60 l/m [16 gpm]
IncreasethespeedofthepumpInstall
otherpumpAdjustthethrottle
Controllever(B-control)isinthecentre
position
Hoses connected incorrectly
Firstcheckthelter,thenconnectpressure
and return correctly/turn
Control lever moves heavily due to molten
seals
Replace control lever seals
Start immediately
after switching on PTO
CF3 or CF7 movement switch blocked in
the “on” position
Unblock
Emergency control GS02 activated Turn switch out, yellow clip in between
Pressure and return line exchanged
Firstcheckthelter,thenconnectthe
pressure and return pipe correctly
Individual
movement is
difcultand/orincorrect
withfullsemi-trailer
Dual pressure tipping valve
Put the tipping valve in the correct
position, high pressure
Pressure relief valve truck maximum
pressure too low
Measuring/adjustingthemaximum
pressure of the truck
Pressure relief valve return oil has
restriction
Measure pressure at measuring point M2,
remove restriction
Capacityisinsufcientduetooverloading Partially unload with crane
Capacityisinsufcientduetopolution
betweentheproles
Cleantheoor
Capacityisinsufcientduetofrost Defrost the load
Individualmovement
unloading incorrectly
with full and empty
semi-trailer
Valve in cylinder head 1 or 2 dirty and
prevents proper closure
Remove polution
Broken valve spring in cylinder head 1 or 2 Replace spring
Valve seat cylinder head 1 or 2 loose Replace/secure the seat*
Plug in the common rail is loose Tighten plug/replace common rail
Common rail mounted in wrong way Mount the common rail correctly