OPERATION & MAINTENANCE MANUAL SWE18UF
97
When engine is running, the cooling water level should reach the lower surface of flume neck. If the water
level is lower than the lower surface, add cooling water to water tank.
Check and adjust fan belt tension
Every 100 hours (the first check should be after 50- hour operation)
Press the belt with thumb at the middle point between strap wheels and crank, if the press is 58.8N (6kg), the
maximum flexibility should be 10mm.
Visually check the damage, crack, and abrasion of belt. If
there is any ill evidence, change the belt.
Clean radiator and oil cooler element
Exterior……every 250 hours
Interior……every 2000 hours or one year
Open right covering part.
Use compressed air (less than 0.2MP) or water to
clean or wash the radiator of oil cooler.
【Warning】：
Before this operation, please shut down the engine and cool down the machine.
Touching the parts may cause scald after stopping the engine just for a while,
because the machine body, muffler, radiator and other parts are in a high
temperature.
The engine coolant is in the condition
of high pressure and high temperature.
Be careful to screw off the radiator
cover and drain plug to avoid
injection of high pressure coolant
with high temperature.
If maintenance is necessary when
engine is running, two personnel
cooperation is required. One person
Slack fan belt may cause insufficient
power of battery, engine overheat, and
quick & abnormal belt abrasion. On the
other hand, over tighten the belt will
damage bearing and belt.
FIG.98
Never start engine when the
hydraulic oil tank is empty.
Don’t check, test, and replace belt when
engine is running.
Mount new belt, run engine at low revs for
3-5 minutes, adjust tension again to ensure
the new belt is perched correctly.
FIG.98
Never start engine when the
hydraulic oil tank is empty.
Use low pressure compress air (less
than 0.2MP) to do clean work, be aware
of flying claps, wear individual
protect equipment, including eye
protection items.
When working in the dusty
environment, check the sundries and
blocking of radiator, oil cooler and
condenser core.
FIG.98
Never start engine when the
hydraulic oil tank is empty.
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