3. Strongly pull the parking brake upward past the dead point zone (see Ill.95, figure a).
The gas spring holds the brake under tension.
4. Detach the breakaway cable.
5. Lower the jockey wheel until the towing mechanism is stress-free.
6. Place chocks under the wheels.
7. Uncouple the compressor from the towing vehicle:
■ Pull up the coupling release lever.
■ Lift the coupling off the towing hitch ball.
8. Slowly remove the towing vehicle from the parked machine.
The gas spring automatically increases parking brake force if the machine rolls backwards or
when parked on a slope.
Parking the machine (fixed-height chassis):
1. Use a coupled towing vehicle to move the machine into position.
2. Disconnect the lighting and signalling cable.
3. Strongly pull the lever of the parking brake upward to the last ratchet tooth (see Ill. 95, figure
b).
Hand brake lever is vertical: the brake is spring-loaded.
Hand brake lever is not vertical: the machine is not secured against rolling.
4. Detach the breakaway cable.
5. Lower the jockey wheel until the towing mechanism is stress-free.
6. Place chocks under the wheels.
7. Uncouple the compressor from the towing vehicle:
■ Pull up the coupling release lever.
■ Lift the coupling off the towing hitch ball.
8. Slowly remove the towing vehicle from the parked machine.
Parking the machine (fixed-height chassis, without parking brake):
Fig. 96 Safety signs: Secure with chocks
1.
Machine without parking brake.
Serious injury or death can result from an unsecured machine rolling away.
➤ Securely chock the machine before uncoupling.
➤ As a general rule, the machine should always be blocked with chocks when it is not being
moved.
➤ The machine should not be manoeuvred by hand.
2. Use a coupled towing vehicle to move the machine into position.
12 Decommissioning, Storage and Transport
12.2 Transport
No.: 901765 05 USE
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
237
Option rc/ro/rs
Option rd/ro/rs
