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Hyundai HYSC75300 Manual page 32

Screw air compressor

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Filter
element
of
Cleaning and
15
oil-gas
replacement
separator
Mechanical
seal for the
Checking the
16
host
leakage
machine
Checking the
Motor
17
insulation
insulation
resistance
Checking the
18
Relief valve
sensitivity of the
action
Pressures
of
Checking the
automatic
19
sensitivity of the
stop
and
action
automatic
start up
Maintenance and
20
Cooler
cleaning
Indicator of
Checking the
21
the oil level
clarity
indicator
Checking the
Belt
and
22
firmness or
pulley
replacement.
Notes: "☆"refers to parts that are maintained by users, "★"refers to parts that are entrusted to service
center . "¤"refers to parts that must be replaced after the new machine running continuously for 500 hours,
then replace them after 3000 hours' work. The maintenance parts are those whose working time are less
than 6000 hours.
10.1.3 Processing method of long-term shutdown
10.1.3.1 Equipment should be sealed if it is shutdown for a long period of time.
a) Clean the equipment and spread some antirust oil on the parts which are easy to be rusted.
b) Electric equipment such as motor control panel etc., all Valves, tables, indicators shall be
wrapped up with plastic paper or oil paper.
c) The water in the oil cooler (gas and oil barrel), gas cooler and air storage tank shall be all
discharged..
d) Covering all the equipment with plastic paper or some other similar materials.
e) Transportation fixed screw should be locked if the transfer storage space is changed.
10.1.3.2 To restart the sealed air compressor , the Motor insulation resistance should be
measured first (No less than 1 MΩ).then do as the operating instructions on page 16 item
9.3.The air compressor sealed more than one year should replace the lubricant .
Replace
element only
The quantity of oil leakage is
less than 1.5g/h
More than 2MΩ when the
voltage is 500V
In
condition
pressure, it can discharge
when the discharging ring of
the relief valve is pulled with
a force less than 1 kg and the
sundries are cleared off.
Stop pressure and start-up
pressure
condition.
Clean the surface dirt in the
way of blowing
Replace it when the oil level
is fuzzy.
Extrude the center of the belt
with the thumb to make sure
it is 10 to 15 mm and with no
damage.
the
filter
of
rated
are
in
normal

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