Parking Brake Test - Doosan DL550-5 Operation & Maintenance Manual

9. Stop engine. Remove key.
If the machine moved during the test, contact your dealer for a
brake inspection. Make any necessary repairs before the
machine is returned to operation.

Parking Brake Test

Refer to the Operation & Maintenance Manual, "Operating
Controls" section for more information.
1. Start the engine.
2. Attach the heaviest approved attachment. If using a
bucket, fill the bucket with material. DO NOT exceed the
rated operating load of the wheel loader.
3. Move the machine to an area with a dry, hard surface with
a slope equivalent to the maximum authorized slope on the
work site where the machine will be operated.
AVOID DEATH OR SERIOUS INJURY
• Keep the heavy end of the machine uphill.
• Do not travel on slopes greater than 30 degrees.
• Do not exceed Rated Operating Capacity (ROC).
• Check for adequate traction.
4. Drive the wheel loader up the incline with the heavy end of
the machine facing uphill. (Figure 58)
5. Apply the service brake. (Figure 59)
DL550-5
WARNING
Figure 58
Figure 59
Inspection, Maintenance and Adjustment
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WL1400677
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