7 questions about air filter replacement
Jun 01, 2023
1. What damage will your engine be caused by installing the air filter incorrectly or failing to replace and maintain it in a timely manner?
ANSWER:
(1) Cylinder wear
(2) Early wear of piston ring
(3) Insufficient car power
(4) Increased maintenance costs
(5) Shorten engine life
2. What details should be paid attention to in daily air filter maintenance?
ANSWER:
(1) Check if the nuts used to secure the air filter are tightened
(2) Check if all connections between the air filter and the engine are sealed
(3) Check if the dust removal valve remains vertically downwards
3. When will the safety filter element (internal filter) be replaced?
ANSWER:
(1) When the safety filter cannot be cleaned
(2) When the main filter element changes color or is damaged, installed improperly, or has been replaced three times
(3) If the safety filter is very clean, do not loosen the nuts or disturb the gasket of the safety filter unnecessarily
4. How to replace the safety filter element?
ANSWER:
(1) Before replacing the safety filter element, confirm whether the nut is tight
(2) Wipe off all dust that may fall into the safety filter element inside the clean air filter housing (compressed air cannot be used for cleaning)
(3) Before installing a new safety filter element, wipe the installation surface of the filter element clean with a clean damp cloth
(4) Install a new safety filter element
5. When will the main filter element be replaced?
ANSWER:
(1) The main filter element is damaged
(2) The main filter element has been cleaned 5 times and must be replaced. If the driving distance exceeds 5000km, it must be cleaned once (the cycle is halved in harsh environments such as high temperature, dust, humidity, etc.)
(3) After installing the cleaned outer filter element, the engine still runs abnormally (indicating that the main filter element has failed)
(4) After driving a mileage of 30000km, the main filter element must be replaced (the cycle is halved in harsh environments such as high temperature, dust, humidity, etc.)
6. How to clean the main filter element?
ANSWER:
(1) The dashboard in the cab displays a signal that the air filter needs to be replaced (usually after every 30000 km/h)
(2) Open the end cover on the air filter
(3) Carefully remove the main filter element
(4) Use compressed air with a pressure of less than 5 kilograms to blow the surface of the filter element from the inside out in a diagonal direction
(5) Check whether the filter paper surface and gasket inside and outside the filter element are damaged
(6) Check if the sealing ring is damaged
(7) Manually reset the air filter blockage indicator
(8) Clean the interior of the air filter and check for leaks in the intake system
(9) Install the main filter element back, and ensure that the sealing ring is tightly aligned with the sealing ring plane of the assembly
(10) Install the upper end cover and seal it tightly
7. How to replace the horizontal air filter?
ANSWER:
When replacing the horizontal air filter assembly, it is necessary to hold the new air filter by hand, keep it level, slowly insert it, and confirm the sealing. Pay special attention to prevent improper installation and loose sealing of the filter element.





