Rearview mirror for trailer coupling (option

1.13Pressure relief on the quickhitch couplers

98 121

S 101

Fig. 14: Pressure relief on the quickhitch couplers

Notice!

The hydraulic system of the machine is still pressurised even when the engine is not running! The hydraulic quick couplers can be released, however they cannot be re-attached because the pressure in the hydraulic lines has not been released.

☞ Release the pressure as follows: •Lower the telescopic boom •Apply the parking brake ☞ Unlock the 3rd control circuit. To do this: slide lock C on switch 98 in the direction of the arrow and press it to position B •Release lock C ➥ The indicator light on the indicating instrument comes on ➥ 3rd control circuit is unlocked •Stop the diesel engine •Do not switch off ignition •Press and hold switch 101 •At the same time, press and hold potentiometer scroll wheel 121 on the control lever to the left or right about8seconds in either position ➥ Pressure in hydraulic lines is released •Switch off ignition and remove the ignition key •Connect the hydraulic lines of the attachment onto the hydraulic connections of the quickhitch