8
Hydraulic system / Electro-hydraulic equipment
101
MACHT’S MÖGLICH
Troubleshooting guide
Fault
Possible causes
Remedy
Cargo bed cannot be lowered.
Telescopic cylinder does not retract.
A line or screw connection in the hydraulic system is
defective.
Have the line / screw connection replaced in a specialist
workshop.
A screw connection in the hydraulic system is loose.
Tighten up the screw connection.
The hydraulic oil is too cold (viscous).
Ensure that the hydraulic oil has the requisite operating
temperature and viscosity.
The hydraulic oil is too old (viscous).
Have the hydraulic oil changed in a specialist workshop.
Telescopic cylinder is frozen.
Defrost the telescopic cylinder.
Line break safety device is activated, but no leakage
apparent.
Use the manual pump (build up pressure).
Then turn the hand wheel of the manual pump very
slowly to open it (release pressure).
Supply battery has failed.
Have the supply battery replaced in a specialist work-
shop.
Supply battery is too weak (empty).
Charge the supply battery.
Malfunction
Possible causes
Remedy
Cargo bed cannot be tipped.
Telescopic cylinder cannot be extended.
Supplied quantity of hydraulic oil is too low.
Check the hydraulic oil level in the hydraulic oil container.
Hydraulic oil container.
Top up hydraulic oil if required.
Excessive hydraulic oil pressure applied - with towing
connection.
Comply with the max. hydraulic oil pressure.
The hydraulic oil is too viscous and too cold.
Ensure that the hydraulic oil has the requisite operating
temperature and viscosity.
Hydraulic oil pressure in the system is too low.
Check that sufficient hydraulic oil pressure is generated
by the towing vehicle in the case of a towing connection.
Check that the electric hydraulic pump is functioning and
generating pressure.
Check that there are no hydraulic oil leaks, e.g. cracked
hoses, leaky connection points.
Supply battery has failed.
Have the supply battery replaced in a specialist work-
shop.
Supply battery is too weak (empty).
Charge the supply battery.
Tip the cargo bed with the emergency hand pump.
Valve wheel on the hand pump is open.
Close the hydraulic oil valve wheel on the manual pump
and actuate the manual pump once again.
Telescopic cylinder is frozen.
Defrost the telescopic cylinder.
Содержание 3000 Series
Страница 1: ...3000 Series MACHT S MÖGLICH humbaur com Operating Instruction en Part 2 HUK 1 3 t 3 0 t Rear tipper ...
Страница 7: ...7 MACHT S MÖGLICH Intended 8 W Wheel chock 25 Towing ring connection 235 ...
Страница 8: ...8 MACHT S MÖGLICH ...
Страница 9: ...MACHT S MÖGLICH 1 7 Safety ...
Страница 13: ...MACHT S MÖGLICH 2 11 General information ...
Страница 21: ...MACHT S MÖGLICH 3 19 Operation ...
Страница 30: ...Check before departure when parking 3 28 MACHT S MÖGLICH Operation ...
Страница 31: ...MACHT S MÖGLICH 4 29 Operating the chassis ...
Страница 49: ...MACHT S MÖGLICH 5 47 Load securing Operating the body ...
Страница 80: ...Load securing 5 78 MACHT S MÖGLICH Load securing Operating the body ...
Страница 81: ...MACHT S MÖGLICH 6 79 Electrical system ...
Страница 83: ...MACHT S MÖGLICH 7 81 Testing care and maintenance ...
Страница 100: ...Cleaning care 7 98 MACHT S MÖGLICH Testing care and maintenance ...
Страница 101: ...MACHT S MÖGLICH 8 99 Troubleshooting guide ...
Страница 104: ...Hydraulic system Electro hydraulic equipment 8 102 MACHT S MÖGLICH Troubleshooting guide ...
Страница 105: ...MACHT S MÖGLICH We wish you a pleasant safe journey Service card ...