8.17.7 Preheater – Solenoid switch replacement
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Solenoid switch
(→ Spare Parts Catalog) 1
DANGER
Electric voltage supply for operation.
Danger of burns and fatal electric shock!
• Make certain that the power supply to the product is switched off before starting work. Secure
against unintentional switching on!
WARNING
Coolant is hot and under pressure.
Risk of injury and scalding!
• Let the engine cool down.
• Wear protective clothing, gloves, and goggles / safety mask.
WARNING
Hot components/surfaces.
Risk of burns!
• Allow the engine to cool down to below 50 °C before beginning work.
• Wear suitable protective equipment/thermal gloves.
• Avoid unprotected contact with hot surfaces.
Preparatory steps
1. Switch off preheater.
2. Disconnect all preheater power sources.
3. Allow heating elements to cool down.
4. Close shutoff valves in the supply and return line to/from preheater.
Replacing solenoid switch
1. Undo screws on control box (1) and open
control box.
MS15054/03E 2018-07 | Preheater | 201
TIM-ID: 0000082982 - 001
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