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Assembly Instructions

Lubricate all o-rings prior to installation.
Sections should be free of all dirt and foreign matter before being bolted together.
Torque capscrews 9-11 foot Ibs.
Torque tie rod nuts 75-80 in. Ibs.
Assemble or disassemble spool from body with twisting motion to avoid cutting seals.

General Specifications

Number of spools: one or multiple
Rated working pressure: 3500 psi (241 bar)
Maximum shock and surge pressure: 4500 psi (309 bar)
Rated flow capacity: 7 gpm (26.5 11m)
Maximum spool leakage (at 1000 psi w/120 SUS oil at 120·F): 5 cc/min
Spool forces: Full Travel: 30 lb.; Into float position: 80-90 lb.; Out of float: 75-85 lb.
Mounting, any position: 1/4"-20 mtg. holes - 2 per section
Weight, 1 spool: 7 Ibs.

Material Specifications

Standard Features

Series operation
Excellent spool metering characteristics
Open center, 4 way 3 position or 4 way, 4 position (float)
Integral load holding check valves to prevent reverse flow through valve when shifting
Balanced, select-fit spools to provide minimum leakage, smooth operation
9/16-18 (SAE #6) inlet and outlet ports, 9/16-18 (SAE #6) work ports
May stand alone or be stacked in series
Built-in power beyond capability
Complete handle assembly

Optional Features

Optional add-on inlet section with differential poppet type relief valve (SSC must be ordered for the last section in a stack when inlet relief is used – one SSC section is required for every inlet section ordered)
High flow spool available for up to 10 gpm
Single handle actuator
3/4-16 (SAE #8) inlet and outlet ports, 3/4-16 (SAE #8) work ports

Reference Number	Part Number	Description	Quantity
Reference Number	Part Number	Description	Quantity
1	1V3530	Housing (3/4-16, SAE #8)	1
2	1R0132	Differential Relief	1
3	1R0020	Poppet	1
4	1R0130	Lower Body	1
5	1R0219	Upper Body	1
6	1A0687-010	Shim	(As Required)
7	2A0007-011	Back-Up	1
8	2A0007-015	Back-Up	1
9	2A0283-7011	O-Ring	1
10	2A0283-7015	O-Ring	1
11	2A0283-9910	O-Ring	1
12	2A9048-7	Spring (1500-3000)	—

Reference Number	Part Number	Description	Quantity
Reference Number	Part Number	Description	Quantity
1	1V3501	Spool (7 GPM)	1
2	1V3505*	Spool End Lug	1
3	1V3506*	Spool End Screw	2
4	1V3508	Spool Collar	1
5	1V3523	Body Machining	1
6	1A0294P	End Cap	1
7	2A0017-9	Ball	2
8	2A0079-404N	Capscrew	4
9	2A0283-7114	Spool Seal	2
10	2A0283-9903	O-Ring	2
11	2A9030-5	Load Check Spring	2
12	2A9126-1	Centering Spring	1

Reference Number	Part Number	Description	Quantity
Reference Number	Part Number	Description	Quantity
1	1V3511	Handle Stem	1
2	1V3512	Pin Kit	1
3	4Z4306	Handle Bracket	1
4	1A9353	Handle Knob	1
5	2A0079-404N	Capscrew	2

Reference Number	Part Number	Description	Quantity
Reference Number	Part Number	Description	Quantity
1	2A0248-4	1/4-20 Locknut	6
2	2A0283-9012	O-Ring	2
3	2A0283-9021	O-Ring	2
4	2A0581-656	Tie-Rod	2

Reference Number	Part Number	Description	Quantity
Reference Number	Part Number	Description	Quantity
1	1V3502	Spool	1
2	1V3505	Spool End Lug	1
3	1V3507*	Detent Retainer	1
4	1V0205	Detent Sleeve	1
5	1V3508	Spool Collar	1
6	1V3520	Body Machine	1
7	1A0294P	End Cap	1
8	2A0017-8	Ball	4
9	2A0017-9	Ball	2
10	2A0079-416	Capscrew	4
11	2A0283-7114	O-Ring	2
12	2A0283-9903	O-Ring	2
13	2A9126-1	Load Check Spring	2
14	2A9030-5	Centering Spring	2
15	2A9024+3	Detent Spring	4
16	1A0737	Washer	1
17	1A0764	Spacer	1

Seal Kits
Seal Kits
Single Body Section - 2V0085

Stack with Relief	Stack without Relief
Stack with Relief	Stack without Relief
2V0088 - ‡	2V008 - ‡

Reference Number	Part Number	Description	Quantity
Reference Number	Part Number	Description	Quantity
1	1V2555	Washer, AD	1
2	1V3508	Spool Collar	1
3	1V3540	Regen. Collar	1
4	1V3541	Regen. Spacer	1
5	1V3542	Regen. End Screw	1
6	1V3543	Regen. Stop	1
7	1A0294P	End Cap	1
8	1A0905	Regen. Block	1
9	1A9351	Washer, 5/16	1
10	2A0079-412	Machine Screw	4
11	2A0080-304	Machine Screw	1
12	2A0283-9903	O-Ring	1
13	2A9042-5	Spring	1
14	2A9126-1	Centering Spring	1

*Field disassembly not recommended
‡ Dash Number Should Indicate Number of Body Sections