Maintenance and Inspection (continued)
22
Component
Inspection
Instructions
Maintenance and Inspection Time Interval
Remarks
Daily
Every
500 Hours
or 2 Months
Every
2,500 Hours
or 1 Year
Every
5,000 Hours
or 2 Years
Every
10,000Hours
or 4 Years
Every
20,000Hours
or 8 Years
Air Receiver Tank
(Option)
Drain accumulated
condensate in air receiver.
○
Accumlation of dirt of
dust
Check or clean. ○
Complete Air
Compressor
Inspect for excessive
noise and vibration.
○ Refer to page 25.
Safety Relief Valve Inspect operation. ○
Replace the safety relief
valve if there is an y
damage.
Pressure Sensor
Inspect operation and
pressure display confirm.
○
Replace the sensor if
there is any damage.
Check Valve
Inspect for leaks or
replace.
○ ●
Ventilating Fan
Inspect or replace
the ventilating fan.
○ ● Refer to page 26.
Bolts, Nuts & Screws
Inspect and tighten any
loose items.
○ Refer to page 26.
Intake Air Filter
Replace a dirty or
clogged filter.
○ ● ◎ Refer to page 26.
Sirocco Fan & Scroll
Fin
Clean the dirt off
these components.
○ ◎
Scroll Bearing
Grease or inspect
the bearing.
○ ◎
Replace the scroll head if
there is any damage with
bearing.
Tip Seal & Face Seal Replace the seals. ● ◎
Bearings Inspect the bearings. ○ ◎
Replace the scroll head if
there is any damage with
bearings.
Scroll Head
Replace the scroll
head.
●
Rubber Hose Inspect for leaks. ○ ●
Replac e th e ru b b e r
ho se i f the re i s an y
damage.
V-Belts
I n s p e c t , a d j u s t a n d / o r
replace a loose or damage
v-belt
○ ● Refer to page 27.
Electromagnetic
Contactor
Inspect or replace. ○ ●
Rubber Vibration
Isolator Pads
Inspect for any damage
and/or hardness.
○
Re pl a ce t he p ads i f
there is any damage.
Electric Main Motor Inspect for any damage. ○
Replace the motor if
there is any damage.
Coolers
Clean the dirt off or
replace.
○ ●
【145PSIG Model】
※ ○ 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 ( ).
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