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"Oil-Less” Scroll Medical Air Medical Systems

Appendix A - Desiccant Dryer

A.4.1 Maintenance Schedule

20 hp Triplex, 15 hp Quad (Type 2 Dryer) 155 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 01 008 Purge muffler 2
Every 5 years DES 01 001 Desiccant 9 bags
Every 5 years VAL 01 013 Check valve 4
Every 5 years GKT 10 008 Tower o-ring 4
Every 5 years GKT 10 007 Canister o-ring 4
As needed VAL 11 003 Switching valve 2
As needed GAG 01 032 Tower pressure gauge 2
Purge valve (Refer to diagram for correct valve)
Every 5 years VAL 04 020 Diaphragm 2
Every 5 years VAL 04 031 Poppet 2

20 hp Quad (Type 2 Dryer) 200 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 01 008 Purge muffler 2
Every 5 years DES 01 001 Desiccant 11 bags
Every 5 years VAL 01 013 Check valve 4
Every 5 years GKT 10 008 Tower o-ring 4
Every 5 years GKT 10 007 Canister o-ring 4
As needed VAL 11 003 Switching valve 2
As needed GAG 01 032 Tower pressure gauge 2
Purge valve (Refer to diagram for correct valve)
Every 5 years VAL 04 020 Diaphragm 2
Every 5 years VAL 04 031 Poppet 2

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