9.15.12 Preheater thermostats – Replacement
Preconditions
☑
Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Thermostat
(→ Spare Parts Catalog)
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
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.
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
Coolant contains antifreeze and is toxic.
Risk of poisoning and slipping!
• Avoid contact with eyes and skin.
• Do not inhale vapors or mist, wear breathing protection.
• Do not eat, drink, smoke when working with antifreeze.
• Wear protective clothing, protective gloves and goggles/safety mask.
• Wipe up escaped/spilled coolant immediately.
Preparatory steps
1.
Switch off preheater.
2.
Disconnect all preheater power sources.
3.
Allow heating elements to cool down.
300 | Coolant System, General, High-Temperature Circuit | MS15065/01E 2019-01
TIM-ID: 0000081762 - 003
