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Hitachi SRL Series Instruction Manual page 26

Oilfree scroll compressor
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Maintenance and Inspection (continued)
【145PSIG Model】
Component
Air Receiver Tank
(Option)
condensate in air receiver.
Accumlation of dirt of
dust
Complete Air
Compressor
Safety Relief Valve
Pressure Sensor
pressure display confirm.
Check Valve
Ventilating Fan
Bolts, Nuts & Screws
Intake Air Filter
Sirocco Fan & Scroll
Fin
Scroll Bearing
Tip Seal & Face Seal
Bearings
Scroll Head
Rubber Hose
I n s p e c t , a d j u s t a n d / o r
V-Belts
replace a loose or damage
v-belt
Electromagnetic
Contactor
Rubber Vibration
Isolator Pads
Electric Main Motor
Coolers
※ ○ represents the periodic inspection period during operation or after parts have been replaced and a ● represents the
parts replacement period.
※ ◎ represents parts that should be replaced at the same time as the scroll head replacement.
※ Operation time on the control panel digital display is the total running hours of the SRL air compressor.
※ The maintenance and service time intervals shown are for normal operation. The inspection period may differ slightly
for different operating conditions, such as high temperature and/or humidity. If the operating conditions are severe and/or
unsatisfactory, reduce the inspection time intervals.
※ Carry out the maintenance and inspections based on the recommended total operating hours and/or calendar time in the
maintenance schedule, whichever occurs first.
※ It is recommended to request maintenance and inspection from the local Hitachi distributor for any items in the shaded
area (
).
Inspection
Instructions
Daily
Drain accumulated
Check or clean.
Inspect for excessive
noise and vibration.
Inspect operation.
Inspect operation and
Inspect for leaks or
replace.
Inspect or replace
the ventilating fan.
Inspect and tighten any
loose items.
Replace a dirty or
clogged filter.
Clean the dirt off
these components.
Grease or inspect
the bearing.
Replace the seals.
Inspect the bearings.
Replace the scroll
head.
Inspect for leaks.
Inspect or replace.
Inspect for any damage
and/or hardness.
Inspect for any damage.
Clean the dirt off or
replace.
Maintenance and Inspection Time Interval
Every
Every
Every
500 Hours
2,500 Hours
5,000 Hours
or 2 Months
or 1 Year
or 2 Years
22
Every
Every
Remarks
10,000Hours
20,000Hours
or 4 Years
or 8 Years
Refer to page 25.
Replace the safety relief
valve if there is any
damage.
Replace the sensor if
there is any damage.
Refer to page 26.
Refer to page 26.
Refer to page 26.
Replace the scroll head if
there is any damage with
bearing.
Replace the scroll head if
there is any damage with
bearings.
R e p l a c e t h e r u b b e r
h o s e i f t h e r e i s a n y
damage.
Refer to page 27.
R e p l a c e t h e p a d s i f
there is any damage.
Replace the motor if
there is any damage.

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