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Model RC

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To increase pressure in the Style 2 Cartridge, add Shims 16. To decrease pressure, remove Shims. Use care when separating Plug 6b from lower body 4 so that the Lower Body is not damaged.

CAUTION: Never attempt to adjust pressure without the use of a reliable gauge in the system.

Relief Housing Options

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
1R0051 With 1/2 NPTF Ports (Optional) 1
1R0052 With 3/4 NPTF Ports (Optional) 1
1R0053 With 3/4-16 SAE Ports (Optional) 1
1R0054 With 7/8-14 SAE Ports (Optional) 1
1 1R0055 With 1 1/16-12 (3/4" SAE 12) Ports (Standard) 1

Parts For RC1 — Adjustable Relief (Style 1) 1R0047 — Standard Relief Cartridge

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
2 1R0013 Relief Piston 1
3 1R0015 Adjustment Screw 3
4 1R0019 Lower Body 1
5 1R0057 Poppet 1
6a 1R0214 Plug (Upper Body) 1
7 1A0569 Nut (3/8-24) 1
8 1A0570 Acorn Nut 1
9 2A007-011 Back-Up (Poppet) 2
10 2A0007-015 Back-Up (Lower Body) 1
11 2A0283-7011 O-Ring (Poppet) 1
12 2A0283-7012 O-Ring (Piston) 1
13 2A0283-7015 O-Ring (Lower Body) 1
14 2A0283-9910 O-Ring (Plug) 1
15 2A9048-7 Spring 1500-2999 psi 1
2V0015 Seal Kit 0

Special Part For 1R0046 — Optional Relief Cartridge

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
15 2A9048-6 Spring 500-1499 psi 1

Special Part For 1R0088 — Optional

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
15 2A9048-8 Spring 3000-4000 psi 1

Parts For RC2 — Non–Adjustable Relief (Style 2) 1R0049 — Standard Relief Cartridge

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
4 1R0019 Lower Body 1
5 1R0057 Poppet 1
6b 1R0219 Plug (Upper Body) 1
9 2A0007-011 Back-Up (Poppet) 2
10 2A0007-015 Back-Up (Lower Body) 1
11 2A0283-7011 O-Ring (Poppet) 1
13 2A0283-7015 O-Ring (Lower Body) 1
14 2A0283-9910 O-Ring (Lower Body) 1
15 2A9048-7 Spring 1500-2999 psi 1
16 1A0687 Shim (.010 Thick) As Requested
16 1A0688 Shim (.030 Thick) As Requested

Special Part For 1R0048 — Optional Relief Cartrige

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
15 2A9048-6 Spring 500-1499 psi 1

Special Part For 1R0087 — Optional

Reference Number Part Number Description Quantity
Reference Number Part Number Description Quantity
15 2A9048-8 Spring 3000-4000 psi 1
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