MMD Equipment 400S-6B1 - Manual (Page 33)

5. Periodic Inspection/Maintenance
5-3
5.4 Periodic Inspection List
Such items marked ○ shall be carried out by customers.
For the following items or clauses marked ●, contact us directly or our distributors because they
require expert technical knowledge on them.
The following table shows the inspection and maintenance intervals under normal operation conditions.
In case the unit is operated under harsh environmental conditions and operation conditions, the
intervals should be shortened.
◎Refer to engine operation manual for inspection and maintenance of an engine.
(Unit:Hour)
Maintenance Daily 250 300 500 1,000 2,000 3,000 12,000 Page
Check compressor oil level. ○ 4-4
Drain separator receiver tank. ○ 4-4
Check looseness in pipe connecting part, and wear
and tear of pipe.
○ 4-6
Check oil, water, fuel and air leak. ○ 4-10
Check performance of gauge and indication lamps. ○ 4-10
Change compressor oil. ○
○ 5-7
Change compressor oil filter. ○
○ 5-8
Clean strainer in the scavenging orifice. ○ 5-8
Clean and change air filter element. ○ 5-8
Clean outside of the oil cooler. ○ 5-9
Supply grease to trailer spring pin ○ 5-11
Change speed regulator diaphragm. ●
Change unloader regulator o-ring. ●
Change oil separator. ○ 5-11
Change nylon tubes. ●
Change pressure regulator. ●
Check rubber hoses. ●
Check diaphragm of auto-relief valve. ●
Change pressure control valve of o-ring. ●
Change rubber coupling. ●
Com
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Change oil seal and bearing ●
First time
First time