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"Oil-Less” Scroll Medical Air Medical Systems

Appendix A - Desiccant Dryer

A.4.1 Maintenance Schedule

15 hp Duplex, 7-1/2 hp Triplex (Type 2 Dryer) 55 cfm
Service Interval Part number Description Quantity
Every year (see section 5.2) Pre-filter 2
Every year (see section 5.2) After-filter 2
Every year MUF 01 006 Purge muffler 2
Every 5 years DES 01 001 Desiccant 4 bags
Every 5 years VAL 01 014 Check valve 4
Every 5 years ORG 01 009 Tower o-ring 4
Every 5 years ORG 01 010 Canister o-ring 4
As needed VAL 11 001 Switching valve 2
As needed GAG 01 032 Tower pressure gauge 2
Purge valve (Refer to diagram for correct valve)
Every 5 years VAL 04 018 Diaphragm 2
Every 5 years VAL 04 029 Poppet 2

20 hp Duplex, 10 hp Triplex, 7-1/2 hp Quad (Type 2 Dryer) 75 cfm
Service Interval Part number Description Quantity
Every year (see section 5.2) Pre-filter 2
Every year (see section 5.2) After-filter 2
Every year MUF 01 007 Purge muffler 2
Every 5 years DES 01 001 Desiccant 4 bags
Every 5 years VAL 01 014 Check valve 4
Every 5 years ORG 01 009 Tower o-ring 4
Every 5 years ORG 01 010 Canister o-ring 4
As needed VAL 11 002 Switching valve 2
As needed GAG 01 032 Tower pressure gauge 2
Purge valve (Refer to diagram for correct valve)
Every 5 years VAL 04 018 Diaphragm 2
Every 5 years VAL 04 030 Poppet 2

15 hp Triplex, 10 hp Quad (Type 2 Dryer) 105 cfm
Service Interval Part number Description Quantity
Every year (see section 5.2) Pre-filter 2
Every year (see section 5.2) After-filter 2
Every year MUF 01 007 Purge muffler 2
Every 5 years DES 01 001 Desiccant 6 bags
Every 5 years VAL 01 014 Check valve 4
Every 5 years ORG 01 009 Tower o-ring 4
Every 5 years ORG 01 010 Canister o-ring 4
As needed VAL 11 002 Switching valve 2
As needed GAG 01 032 Tower pressure gauge 2
Purge valve (Refer to diagram for correct valve)
Every 5 years VAL 04 018 Diaphragm 2
Every 5 years VAL 04 030 Poppet 2

A-11