AP83.70-T-0001AA | Clean coolant filter of auxiliary heater | 5.6.01 |
MODELS 671.015 /020 /021 /030 /042 /332 /333
T83.70-0018-04
1 Coolant filter of auxiliary heater
A 'Closed' position
B 'Open' position
T20.30-0018-01
2 Coolant expansion reservoir
1 | Open rear flap and service flap at right rear, fold down bumper cover | ||
Danger! | Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage bottles. Wear protective gloves, protective clothing and eye protection. | |
2 | Open cap at coolant expansion reservoir (2) slowly and release remaining pressure from cooling system | The cooling system must have cooled down so that for the most part there is no overpressure in the system. | |
3 | Turn shutoff cock of coolant filter (1) into 'Closed' position (A) | When this is done, the feed and outlet opening of the coolant filter are closed. The shutoff cock is located on the underside of the coolant filter. | |
4 | Unscrew cap of coolant filter housing and remove filter element from coolant filter housing | ||
5 | Blow out filter element with compressed air | Maximum air pressure: approx. 5 bar. After blowing out filter element, inspect for damage, replace if necessary. | |
6 | Insert filter element into coolant filter housing and screw cap onto coolant filter housing | Replace O-ring. | |
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7 | Turn shutoff cock of coolant filter into 'Open' position (B) | ||
Danger! | Risk of accident. Accidents may result if the vehicle starts off unintentionally with the engine running. Risk of injury as working around the engine during start-up or while running may result in contusions and burns | Secure vehicle to prevent it from moving off by itself. | |
8 | Start engine, run for a short time and inspect coolant filter for leaks |
Heater unit of stationary heater
Referenced documents
- as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
- as2000z000101a Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.