Safety During The Operation Of Hydraulic Machines; Maintenance - Wacker Neuson DPU 25 Series Operator's Manual

4 Safety
Cleaning the engine
Clean the engine when it is cool to remove any dirt.
Do not use gasoline or solvents. Danger of explosion!
4.8

Safety during the operation of hydraulic machines

Hydraulic oil
Hydraulic oil is harmful to health.
Wear safety glasses and safety gloves when handling hydraulic oil.
Avoid direct skin contact with hydraulic oil. Remove hydraulic oil from the skin immediately with soap and
water.
Make sure that no hydraulic oil comes gets in the eyes or on the body. See a physician immediately if
hydraulic oil gets into the eyes or is swallowed.
Do not eat and drink while handling hydraulic oil.
Make sure to have extreme cleanliness. Contamination of the hydraulic oil with dirt or water can cause
premature wear or failure of the machine.
Dispose of left over and spilled hydraulic oil according to the applicable regulations for environmental
protection.
4.9

Maintenance

Maintenance work
Service and maintenance work must only be carried out to the extent described in these operating
instructions. All other procedures must be performed by your Wacker Neuson representative.
For further information, refer to chapter Maintenance.
Switching off the engine
Before carrying out care or maintenance work, switch off the engine and allow it to cool down.
For gasoline powered engines, you must pull off the spark plug cap.
Disconnecting the battery
For machines with electric starter, you must disconnect the battery before working on the electronic
parts.
Using only a Wacker Neuson battery
Use only Wacker Neuson batteries to replace defective batteries, see chapter Technical Data.
Only the Wacker Neuson battery is vibration resistant and thus suitable for the high vibratory stresses.
Working on the battery
Always take the following safety measures when working with the battery:
No fire, sparks, or smoking while working with batteries.

Batteries contain corrosive acid. Use acid-proof protective gloves and protective goggles when

working with batteries.
Avoid short circuits due to improper connection or bypassing with tools.

Disconnect the negative terminal first when disconnecting the battery.

Connect the positive terminal first when connecting the battery.

Re-fasten terminal covers after connecting the battery.

Assembling safety devices
If it was necessary to dismantle safety devices, they must be reassembled and checked immediately
after completing maintenance work.
Always tighten loosened screw connections, complying with prescribed starting torque.
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