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5.7.7 REPLACEMENT OF SAFE FILTER ELEMENT OF AIR FILTER
When clean the main filter element five times, it is
required to replace the safe filter element, and
only to replace but not cleaning to use it again.
1. Shut down the engine, remove the air filter
cover.
2. Remove the main filter element; clean the air
filter internal wall.
3. Remove the security filter carefully.
4. Install new security filter element, must keep
even contact of the seal ring at the surface end of
the security filter element, and keep sealing well.
5. Install the main filter element and air filter
cover.
6. Press down the air filter indicator to reset it.
5.7.8 CLEAN DUST COLLECTION CUP OF THE AIR FILTER
Dust collection cup is for collecting the dust and water inside the air filter, press the dust
cup regularly, and drain out the water and dust.
1. When the air filter element is broken, it must be replaced.
2. Conduct the maintenance on air filter periodically according to the requirement
of the air filter maintenance instructions.
3. In case of maintenance, do not pollute the internal side of the filter.
4. Do not start the engine with air filter or air filter element disassembled.
5.8 USE OF FUEL SYSTEM AND RELATED MAINTENANCE
5.8.1FUEL TANK CLEANING
Removal of moisture and impurities from fuel:
1. If conditions permit, diesel shall be allowed to settle for 24 hours before being filled into
fuel tank.
2. Before oil filling, unscrew the drain plug on the bottom of fuel tank once every week to
remove moisture and impurities at the bottom of fuel tank.
3. After end of daily work, fill up the fuel tank with diesel to remove moisture from fuel tank.
4. After each filling up of fuel tank, keep still for 5~10 minutes so that moisture and
Warning