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. | |
| |||
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
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