BA 901/1101 en – Edition 2.1 * 91101b320.fm 3-15
Operation
Do not put the machine into operation if a brake test gives a negative result or if
there are doubts as to the correct brake function. Contact a Wacker Neuson ser-
vice center and have the malfunction rectified.
The following tests are performed to check the brake function on firm, level and horizontal
ground. On slopes or in the case of machines with loads, for example, the braking effect of
the parking brake may still be insufficient to safely park the machine. If possible, always
park the machine without any load and on level ground, and secure it with suitable means
(chocks, for example).
Test the brakes once a day.
Service brake test
The test must be performed on horizontal, firm and level ground.
1 Raise the bucket 20 – 30 cm (8 – 12 in) from the ground.
2 Start forward machine travel in low speed.
3 Push the control lever forward about 50 % of the lever travel (control lever on the
left if the machine has ISO controls, both control levers if it has H controls).
4 Release the control lever(s).
5 The machine must brake abruptly.
Parking brake test
Testing the parking brake is not possible for technical reasons.
Before starting the engine
☞ Adjust seat position and rearview mirror
– see Seat adjustment, safety bars and seat belt on page 3-40
All controls must be within easy reach. You must be able to move the drive levers
to their limit positions!
☞ Fasten your seat belt – see Seat belt on page 3-43
☞ Lower the safety bars
☞ Release the parking brake
☞ Check whether all levers and pedals are in neutral position
☞ Move the throttle to the center position (between minimum and maximum) if the engine
is cold
Do not use aerosol starting aids, for instance ether –
Explosion and injury hazard.
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