6S9331 LINES AND VALVE GROUP Serial No. 87U755-Up and 88U594-Up Part of 6S4538 and 6S9400 Backhoe Arrangements listed on Pages 4 and 4A 3G5634 Valve parts are shown on Page 46C 931

HYDRAULIC SYSTEM

LINES GP

0. 6S-9331 LINES AND

VALVE GP-BANK

1. 3G-5634 BANK VALVE

VALVE GP-CONTROL

2. 3G-5635 CONTROL VA

VALVE GP-RELIEF

3. 9J-0796 RELIEF VAL
4. 9J-0797 RELIEF VAL
5. 9J-0798 RELIEF VAL

VALVE GP

6. 3G-0777 VALVE GP

VALVE GP-BANK

7. 3G-0646 BANK VALVE

VALVE GP-RELIEF

8. 9J-0723 VALVE GP-R

VALVE GP-CONTROL

9. 3G-0778 VALVE GP-C
0. INFORMATION

BACKHOE 931 BACKHOE 87U
D3 AND 931 BACKHOE 87U00001-UP UEG0703S 931 87U (1973)

HYDRAULIC SYSTEM

LINES GP

6S-9331 LINES AND VALVE GROUP

#UEG0703S0080

6S-9331: LINES AND VALVE GROUP

LINES AND VALVE GROUP

6S9331 LINES AND VALVE GROUP
Serial No. 87U755-Up and 88U594-Up
Part of 6S4538 and 6S9400 Backhoe Arrangements listed on Pages 4 and 4A
3G5634 Valve parts are shown on Page 46C

c221720 UEG0703S

6S9331 LINES AND VALVE GROUP Parts scheme

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Parts for your 931 BACKHOE:

Pos.	Part No	Qty	Parts name
1.	6S-9307	[1]	TUBE ASSEM.
2.	2R-6276	[3]	CONNECTOR
3.	3D-2824	[5]	SEAL
4.	5P-5373	[1]	ADAPTER ASSEM.
			(Includes)
		[1]	NUT
5.	0S-1587	[4]	BOLT
	3B-4508	[4]	LOCKWASHER
6.	3G-5634 Y	[1]	VALVE GROUP
			(Separate Illustration)
7.	030-7950	[1]	ELBOW
8.	6S-9810	[1]	TUBE ASSEM.
9.	0L-1351	[2]	BOLT
	1D-4717	[2]	NUT
	3B-4506	[2]	LOCKWASHER
10.	3H-0019	[2]	CLIP
11.	5G-1074 C	[1]	PLUG
12.	5G-1075 C	[1]	SOCKET
13.	6S-7210	[1]	HOSE ASSEM.
			(Includes)
	9S-0247 CH		HOSE 29.14 in. (74 cm)
14.	3S-7166	[2]	SLEEVE
15.	8S-3759	[2]	COUPLING ASSEM.
16.	1D-4719	[1]	NUT
	4B-4280	[1]	WASHER
17.	5P-5777	[1]	ADAPTER
	7M-8485	[1]	SEAL
18.	5G-0749	[1]	VALVE (relief)
19.	006-5490	[1]	ELBOW
20.	5P-4961	[1]	CLAMP
21.	5P-1442 H		HOSE 105 cm(41.34 in.)
22.	8L-8413	[2]	STRAP
23.	8F-8513	[1]	CLIP
	H		ORDER BY THE INCH
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE

#UEG0703S0081

3G-5634: BANK VALVE GROUP

BANK VALVE GROUP

3G5634 BANK VALVE GROUP
Part of 6S9331 Lines & Valve Group shown on Pages 46A and 46B
3G5635, 9J796, 9J797, 9J798, 3G777 and 3G778 Valve parts are shown on Pages 46D, 47 and 48A

c169292 UEG0703S

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Parts for your 931 BACKHOE:

Pos.	Part No	Qty	Parts name
1.	3G-0779	[1]	OUTLET SECTION ASSEM.
			(Includes)
2.	9S-4183	[1]	PLUG
	3D-2824	[1]	SEAL
3.	3G-0778	[1]	VALVE GROUP (R.H. - stabilizer)
4.	3G-0777	[1]	VALVE GROUP (boom)
5.	9J-0798	[3]	VALVE GROUP (pressure relief)
6.	3G-0778	[1]	VALVE GROUP (bucket)
7.	3G-5635	[1]	VALVE GROUP (swing)
8.	9J-0796	[2]	VALVE GROUP (pressure relief)
9.	9J-0797	[1]	VALVE GROUP (pressure relief)
10.	3G-0777	[1]	VALVE GROUP (stick)
11.	3G-0778 Y	[1]	VALVE GROUP (L.H. stabilizer)
			(Separate Illustration)
12.	9J-0709	[1]	PLUG ASSEM.
			(Includes)
	3D-2824	[1]	SEAL (large)
	9J-1272	[1]	RING
	4J-5309	[1]	SEAL (small)
13.	9S-4181	[1]	PLUG
	7M-8485	[1]	SEAL
14.	2H-4145	[1]	SEAL
15.	3G-0781	[1]	ROD
	1B-4205	[2]	NUT
16.	3G-0283	[2]	ROD
	1B-4204	[4]	NUT
17.	9J-0720	[1]	HOUSING
	Y		SEPARATE ILLUSTRATION

#UEG0703S0082

3G-5635: CONTROL VALVE GROUP

CONTROL VALVE GROUP

3G5635 CONTROL VALVE GROUP
Part of 3G5634 Bank Valve Group shown on Page 46C

c169293 UEG0703S

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Parts for your 931 BACKHOE:

Pos.	Part No	Qty	Parts name
1.	032-9805	[2]	SEAL
2.	5F-7054	[2]	SEAL
3.	8J-9464	[1]	POPPET
4.	8J-9463	[1]	SPRING
5.	2H-4145	[1]	SEAL
6.	005-8141	[1]	CAP
7.	005-8145	[1]	SCREW
8.	005-8144	[2]	SEAT
9.	3G-5023	[1]	SPRING
10.	6L-5897	[2]	BOLT
11.	005-8143	[3]	PLATE
12.	8F-5758	[2]	SCREW
13.	3G-5633	[1]	WASHER

#UEG0703S0083

9J-0796: RELIEF VALVE GROUP

RELIEF VALVE GROUP

9J796 RELIEF VALVE GROUP--Pilot Operated--2150 PSI
9J797 RELIEF VALVE GROUP--Pilot Operated--2700 PSI
9J798 RELIEF VALVE GROUP--Pilot Operated--3000 PSI
Part of 8J6786 and 3G646 Control Valve Group shown on Pages 45 and 48

c118954 UEG0703S

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Parts for your 931 BACKHOE:

Pos.	Part No	Qty	Parts name
1.	3D-2824	[2]	SEAL-O-RING
2.	9J-0707	[1]	RING-BACK-UP
3.	6F-4855	[1]	SEAL-O-RING
4.	1H-1023	[1]	SEAL-O-RING
5.	030-0167	[1]	RING-BACK-UP

#UEG0703S0084

9J-0797: RELIEF VALVE GROUP

RELIEF VALVE GROUP

c118954 UEG0703S

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Parts for your 931 BACKHOE:

Pos.	Part No	Qty	Parts name
1.	3D-2824	[2]	SEAL-O-RING
2.	9J-0707	[1]	RING-BACK-UP
3.	6F-4855	[1]	SEAL-O-RING
4.	1H-1023	[1]	SEAL-O-RING
5.	030-0167	[1]	RING-BACK-UP

#UEG0703S0085

9J-0798: RELIEF VALVE GROUP

RELIEF VALVE GROUP

c118954 UEG0703S

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Parts for your 931 BACKHOE:

Pos.	Part No	Qty	Parts name
1.	3D-2824	[2]	SEAL-O-RING
2.	9J-0707	[1]	RING-BACK-UP
3.	6F-4855	[1]	SEAL-O-RING
4.	1H-1023	[1]	SEAL-O-RING
5.	030-0167	[1]	RING-BACK-UP

#UEG0703S0086

3G-0777: VALVE GP

VALVE GP

3G777 CONTROL VALVE GROUP
Part of 3G646 Bank Valve Group shown on Page 48

c207136 UEG0703S

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Parts for your 931 BACKHOE:

Pos.	Part No	Qty	Parts name
1.	032-9805	[2]	WIPER
2.	5F-7054	[2]	SEAL
3.	8J-9464	[1]	POPPET
4.	8J-9463	[1]	SPRING
5.	2H-4145	[1]	SEAL
6.	005-8141	[1]	CAP
7.	005-8145	[1]	SCREW
8.	005-8144	[2]	SEAT
9.	005-8146	[1]	SPRING
10.	6L-5897	[2]	BOLT
11.	005-8143	[2]	PLATE
12.	8F-5758	[2]	SCREW

#UEG0703S0087

3G-0646: BANK VALVE GROUP

BANK VALVE GROUP

3G646 BANK VALVE GROUP
Part of 6S9331 Lines and Valve Group shown on Page 46
9J796, 9J797, 9J798, 3G777, 9J723 & 3G778 Valve parts are shown on Pages 47 & 48A

c158152 UEG0703S

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Parts for your 931 BACKHOE:

Pos.	Part No	Qty	Parts name
1.	3G-0779	[1]	OUTLET SECTION ASSEM.
			(Includes)
2.	9S-4183	[1]	PLUG
	3D-2824	[1]	SEAL
3.	3G-0778	[1]	VALVE GROUP (R.H. stabilizer)
4.	3G-0777	[1]	VALVE GROUP (boom)
5.	9J-0798 C	[3]	VALVE GROUP (pressure relief)
6.	3G-0778	[1]	VALVE GROUP (bucket)
7.	3G-0777	[1]	VALVE GROUP (swing)
8.	9J-0796	[2]	VALVE GROUP (pressure relief)
9.	9J-0797 C	[1]	VALVE GROUP (pressure relief)
10.	3G-0777	[1]	VALVE GROUP (stick)
11.	3G-0778 Y	[1]	VALVE GROUP (L.H. stabilizer)
			(Separate Illustration)
12.	9J-0723 YC	[1]	VALVE GROUP (pressure relief)
			(Separate Illustration)
13.	9S-4181	[2]	PLUG
	7M-8485	[2]	SEAL
14.	2H-4145	[1]	SEAL
15.	3G-0781	[1]	ROD
	1B-4205	[2]	NUT
16.	3G-0283	[2]	ROD
	1B-4204	[4]	NUT
17.	9J-0720	[1]	HOUSING
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#UEG0703S0088

9J-0723: VALVE GP-RELIEF

VALVE GP-RELIEF

9J723 RELIEF VALVE GROUP--Pilot Operated
Part of 6S4538 and 6S9400 Backhoe Arrangements and 3G646 Bank Valve Group
shown on Pages 4, 4A and 48

c119637 UEG0703S

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Parts for your 931 BACKHOE:

Pos.	Part No	Qty	Parts name
1.	3D-2824	[2]	SEAL-O-RING
2.	9J-0707	[1]	RING-BACK-UP
3.	6F-4855	[1]	SEAL-O-RING
4.	1H-1023	[1]	SEAL-O-RING
5.	030-0167 C	[1]	RING-BACK-UP
	C		CHANGE FROM PREVIOUS TYPE

#UEG0703S0089

3G-0778: VALVE GP-CONTROL

VALVE GP-CONTROL

3G778 CONTROL VALVE GROUP
Part of 3G5634 and 3G646 and Bank Valve Groups shown on Pages 46C and 48

c207215 UEG0703S

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Parts for your 931 BACKHOE:

Pos.	Part No	Qty	Parts name
1.	032-9805	[2]	SEAL
2.	5F-7054	[2]	SEAL
3.	8J-9464	[1]	POPPET
4.	8J-9463	[1]	SPRING
5.	2H-4145	[1]	SEAL
6.	6L-5897	[2]	BOLT
7.	005-8145	[1]	SCREW
8.	005-8141	[1]	CAP
9.	005-8146	[1]	SPRING
10.	005-8144	[2]	SEAT
11.	005-8143	[2]	PLATE
12.	8F-5758	[2]	SCREW