OPERATION & MAINTENANCE MANUAL STE35SR
For each cleaning of the main filter, one label on the check times label (H) at the end cover of
the empty filter should be torn off. The label can be cleaned up to 6 times, and then it must be
replaced.
Air filter element - replacement
1. Open the engine cover and ensure that the brace is locked.
2. Open the lock on the end cover of the air filter (I).
3. Remove the end cover of the air filter (F).
4. Empty and clean the end cover and dust exhaust valve (G), and clean the inside of the end
cover shell (F) with a clean cloth.
5. Remove the main filter element (E).
Pay attention to
Do not remove the safety filter element at this time
If the dust valve (G) is cracked, damaged or lost, the dust valve needs to be replaced. If the
dust valve is intact, the dust valve needs to be cleaned.
Main filter element (E) adopts radial seal, there will be a certain resistance when taking off,
should be pulled out while rotating the main filter element, remember not to beat the shell and
the main filter element.
6. Clean the inside of the air filter shell (C) with a clean cloth.
7. Prepare the new main filter element and safety filter element, and check whether the new filter
element is damaged, if there is damage, replace it immediately.
8. Remove the safety filter element (D) and quickly install the new safety filter element.
9. Push the edge of the main filter element (E) by hand, carefully install the main filter element, and
confirm that the main filter element is fully loaded into the shell.
10. Make the TOP arrow of the end cover (F) face up and install it on the shell of the air filter, and
fix it with the lock (I).
NOTE
Safety filter filter efficiency is generally much lower than the main filter, the filter area is much
smaller, maintenance work, can prevent impurities into the engine.
When the main filter is damaged, the safety filter will protect the engine.
If the main filter element has been cleaned or replaced, but the differential pressure indicator alarm,
it indicates that the safety filter element is blocked.
NOTICE
Safety filter element can only be replaced, not cleaned.
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