Driving mode
5.8 Towing a trailer
5 - 86 3 302 819 en Operating manual
GMK3060
13.12.2018
Checking the
braking force
When a trailer is coupled and connected, you can check whether the braking
force of the truck crane alone is sufficient for braking the truck crane and the
trailer on uphill or downhill roads (e.g. when a brake hose has burst).
To check this, you can release the parking brake of the trailer on its own.
• Apply the parking brake.
• Press the lever in and pull it further to the rear.
As long as you hold the lever in this position, the parking brake on the trailer is
released – the parking brake on the truck crane remains applied.
This allows you to check whether the braking force of the parking brake on the
truck crane alone is sufficient to brake the truck crane and the trailer.
• Let go of the lever. The lever latches into position and the parking brake of the
trailer is applied.
S
Risk of accident from truck crane rolling away!
When parking on downhill or uphill gradients, always secure the truck crane and
trailer against rolling away with wheel chocks in addition to the parking brake.
Even the parking brake result was positive. Observe the corresponding regula-
tions in your country when doing this.
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