133-6770 CYLINDER & SEAL GP-BOOM PART OF 5Q-3988 BOOM AR AN ATTACHMENT 320B FM LL EXCAVATOR

HYDRAULIC SYSTEM

CYLINDER GP

0. 133-6770 CYLINDER &

DRIVE GP

1. 087-4771 DRIVE GP-A

LINES GP-AUXILIARY

2. 5Q-3984 LINES GP-A

LINES GP-BOOM

3. 5Q-3990 LINES GP-B
4. 5Q-3989 LINES GP-B

LINES GP-HYDRAULIC

5. 187-1298 LINES GP-H

LINES GP-PILOT

6. 5Q-3985 LINES GP-P
7. 5Q-4263 LINES GP-P
8. 5Q-4893 LINES GP-P
9. 115-8921 LINES GP-P
0. INFORMATION

EXCAVATOR 320B FM LL EXCAVATOR 6LS
320B Material Handler 6LS00001-UP (MACHINE) POWERED BY 3066 Engine SEBC0600 320B FM LL 6LS (1996)

HYDRAULIC SYSTEM

CYLINDER GP

123-2080 CYLINDER & LINES GP-STICK

123-2081 CYLINDER & SEAL GP-BOOM

133-6770 CYLINDER & SEAL GP-BOOM

#SEBC06000040

133-6770: CYLINDER & SEAL GP-BOOM

CYLINDER & SEAL GP-BOOM

133-6770 CYLINDER & SEAL GP-BOOM
PART OF 5Q-3988 BOOM AR
AN ATTACHMENT

i01250651 SEBC0600

1336770 CYLINDER & SEAL GP-BOOM Parts scheme

For full view, you need register

Parts for your 320B FM LL EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	094-4057	[1]	SEAL-LIP TYPE
2.	121-1372 J	[1]	RING-BACKUP
3.	121-1371 J	[1]	SEAL-U-CUP
4.	4I-3626 J	[1]	SEAL-BUFFER
5.	096-5625	[1]	BEARING-SLEEVE
6.	094-1931	[1]	RING-RETAINING
7.	126-1941	[1]	HEAD
8.	4I-3628	[12]	BOLT-SOCKET HEAD
9.	4I-3627 J	[1]	RING-BACKUP
10.	095-1721 J	[1]	SEAL-O-RING
11.	133-6825	[1]	ROD AS
11A.	119-5214	[1]	BEARING-SLEEVE
12.	133-6824	[1]	CYLINDER AS
12A.	143-7965	[1]	BEARING-SLEEVE
13.	4I-8869	[1]	STOP
14.	126-1876 J	[1]	RING-SEAL
15.	121-1541 J	[1]	PISTON
16.	4I-3631 J	[2]	RING-BACKUP
17.	096-1570 J	[1]	SEAL AS
18.	126-1877 J	[2]	RING
19.	096-1571 J	[2]	RING
20.	096-5741 BJ	[1]	SHIM
21.	096-6210 M	[1]	SETSCREW-SOCKET
22.	096-6211	[1]	BALL
23.	119-5211	[1]	LOCKNUT-SPECIAL
24.	096-4411	[4]	SEAL-LIP TYPE
25.	3B-8489	[2]	FITTING-GREASE (1/8-27 THD)

			AVAILABLE REPAIR KIT(S):
	133-6823 J	[1]	KIT-SEAL
	B		USE AS REQUIRED
	J		KIT MARKED J INCLUDES PARTS MARKED J
	M		METRIC PART

#SEBC06000041

087-4771: DRIVE GP-AUXILIARY PUMP

DRIVE GP-AUXILIARY PUMP

087-4771 DRIVE GP-AUXILIARY PUMP
PART OF 5Q-3986 PUMP GP-GEAR
AN ATTACHMENT

i01252084 SEBC0600

0874771 DRIVE GP-AUXILIARY PUMP Parts scheme

For full view, you need register

Parts for your 320B FM LL EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	095-0991	[1]	BALL BEARING
2.	2D-5658	[1]	BALL BEARING
3.	087-4722	[1]	FLANGE
4.	3K-0715	[1]	SEAL-O-RING (101.27MM ID)
5.	087-4721	[1]	GEAR
6.	2H-9247	[1]	SEAL-O-RING (132.94MM ID)

#SEBC06000042

5Q-3984: LINES GP-AUXILIARY HYDRAULIC

LINES GP-AUXILIARY HYDRAULIC

5Q-3984 LINES GP-AUXILIARY HYDRAULIC
PART OF 5Q-1736 SPECIAL AR
AN ATTACHMENT

i01224202 SEBC0600

5Q3984 LINES GP-AUXILIARY HYDRAULIC Parts scheme

For full view, you need register

Parts for your 320B FM LL EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4Z-5913 Y	[1]	VALVE GP-SOLENOID & RELIEF
2.	8T-4956 M	[13]	BOLT (M12X1.75X35MM)
3.	8T-4223	[27]	WASHER-HARD (3.0MM THK)
4.	5Q-3939	[1]	BLOCK
5.	8T-4136 M	[8]	BOLT (M10X1.50X25MM)
6.	8T-4121	[16]	WASHER-HARD (2.5MM THK)
7.	5Q-3795	[1]	VALVE GP-RELIEF
8.	5Q-4185	[1]	PIPE AS
9.	8T-4195 M	[8]	BOLT (M10X1.50X30MM)
10.	4J-0527	[1]	SEAL-O-RING (56.74MM ID)
11.	4J-0523	[1]	SEAL-O-RING (44.04MM ID)
12.	4I-1607 E		HOSE (49CM)
13.	095-1392	[4]	CLAMP-HOSE
14.	5Q-4187	[1]	PIPE AS
15.	1P-4576	[6]	FLANGE
16.	9B-7237	[8]	BOLT (3/8-16X1.25 IN)
17.	4J-5267	[5]	SEAL-O-RING (24.99MM ID)
18.	6V-9004	[1]	ELBOW-45 DEGREE
19.	6V-8625	[4]	ELBOW-90 DEGREE
20.	5Q-4264 I	[1]	HOSE AS
21.	137-0874 I	[1]	HOSE AS
22.	3K-0360	[6]	SEAL-O-RING (16.36MM ID)
23.	6V-8398	[9]	SEAL-O-RING (12.47MM ID)
24.	3G-8054	[3]	CLIP (TAB)
25.	3D-2824	[5]	SEAL-O-RING (23.47MM ID)
26.	5I-4190 I	[1]	HOSE AS
27.	6V-9746	[17]	SEAL-O-RING (18.94MM ID)
28.	4J-0519	[1]	SEAL-O-RING (31.34MM ID)
29.	8T-1159 M	[4]	BOLT-SOCKET HEAD (M10X1.5X25MM)
30.	8T-8899	[1]	ELBOW-45 DEGREE
31.	5Q-4272 I	[1]	HOSE AS
32.	6V-8782	[2]	TEE-FACE SEAL
33.	5Q-4261	[1]	FLANGE
34.	137-0881 I	[2]	HOSE AS
35.	6V-9007	[3]	ELBOW-90 DEGREE
36.	6V-8997	[1]	UNION
37.	2P-1293	[1]	LOCKNUT-BULKHEAD (1 3/16-12 THD)
38.	5Q-4276 I	[1]	HOSE AS
39.	5I-8835 I	[1]	HOSE AS
40.	5Q-4280 I	[1]	HOSE AS
41.	131-9203	[1]	SWITCH AS-PRESSURE (HYDRAULIC CYL)
	102-8803	[1]	KIT-RECEPTACLE (3 PIN)
	3E-3371	[1]	WEDGE-RECEPTACLE LOCK
	8T-8729	[3]	PIN-CONNECTOR
42.	3J-1907	[1]	SEAL-O-RING (11.89MM ID)
43.	3G-8057	[3]	CLIP (SLOT)
44.	3G-8047	[3]	GROMMET
45.	8T-4139 M	[6]	BOLT (M12X1.75X30MM)
46.	6V-9182	[1]	ELBOW-90 DEGREE
47.	7M-8485	[4]	SEAL-O-RING (29.74MM ID)
48.	5Q-4284	[1]	HOSE AS
49.	141-1339	[2]	TUBE AS
50.	4I-1077 I	[2]	HOSE AS
51.	1P-3703	[4]	SEAL-RECTANGULAR (31.86MM ID)
52.	141-1340	[1]	SUPPORT AS
	5I-4082	[1]	PLATE
	8T-3597 M	[1]	NUT-WELD (M12X1.75 THD)
53.	5Q-4287	[1]	HOSE AS
54.	6V-8716	[2]	CONNECTOR-SEAL
55.	5Q-3905	[1]	PLATE
56.	6V-8785	[1]	TEE
57.	5K-9090	[2]	SEAL-O-RING (23.52MM ID)
58.	6V-8946	[1]	REDUCER AS
59.	5Q-4190	[1]	PLATE AS
	8T-3597 M		NUT-WELD (M12X1.75 THD)
60.	8T-4194 M	[2]	BOLT (M12X1.75X50MM)
61.	9X-6032 M	[16]	BOLT-SOCKET HEAD (M10X1.5X30MM)
62.	4S-4682	[2]	COVER-FLANGE
63.	5Q-3904	[1]	BLOCK
64.	124-1234 I	[1]	HOSE AS
65.	5Q-4262	[1]	PLATE
66.	131-9750	[1]	SCREEN AS
67.	137-0889	[1]	PLATE AS
	8T-3597 M	[2]	NUT-WELD (M12X1.75 THD)
68.	5Q-4189	[1]	BLOCK
69.	6V-6707	[1]	SEAL-O-RING (82.14MM ID)
70.	7X-2543 M	[4]	BOLT (M10X1.5X120MM)
71.	8T-4179 M	[2]	BOLT (M12X1.75X20MM)
72.	9S-4183	[1]	PLUG (1 1/16-12 THD)
73.	5I-8748	[4]	SPACER
74.	6V-9853	[1]	ELBOW-SWIVEL (1 3/16-12 THD)
75.	5P-7466	[1]	CLIP (SLOT)
76.	5P-7467	[1]	CLIP (TAB)
77.	5P-8112	[1]	GROMMET
78.	6V-0400	[4]	FLANGE-HALF
79.	8T-4184 M	[8]	BOLT (M12X1.75X45MM)
80.	5Q-4898	[1]	SUPPORT AS
81.	087-5783 I	[1]	HOSE AS
82.	6V-9851	[1]	ELBOW-90 DEGREE SWIVEL
	E		ORDER BY THE CENTIMETER
	I		SEE HOSE FABRICATION GUIDE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBC06000043

5Q-3990: LINES GP-BOOM

LINES GP-BOOM

5Q-3990 LINES GP-BOOM
PART OF 5Q-3988 BOOM AR
AN ATTACHMENT

i01250532 SEBC0600

For full view, you need register

Parts for your 320B FM LL EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5Q-4227	[2]	TUBE AS
2.	5Q-4228	[2]	TUBE AS
3.	5Q-4229	[1]	TUBE AS
4.	5Q-4230	[1]	TUBE AS
5.	5Q-4231	[1]	PIPE AS
6.	5Q-4233	[2]	PIPE AS
7.	5Q-4235	[2]	PIPE AS
8.	5Q-4237	[1]	TUBE AS
9.	5Q-4238	[1]	TUBE AS
10.	5Q-4239	[1]	TUBE AS
11.	5Q-4240	[1]	PIPE AS
12.	5Q-4242	[1]	PIPE AS
13.	135-3966	[1]	PIPE AS
14.	087-5312 I	[1]	HOSE AS
15.	5Q-4248 I	[1]	HOSE AS
16.	5Q-4252 I	[1]	HOSE AS
17.	4I-6242 I	[2]	HOSE AS
18.	7I-7439	[724]	GUARD
19.	6C-6305	[1]	BLOCK
20.	6V-9182	[1]	ELBOW (FACE SEAL)
21.	030-7947	[2]	ELBOW (9/16-18 STR THD)
22.	5Q-4904	[1]	FLANGE
23.	5Q-4213	[16]	CLIP
24.	5Q-4256	[2]	CLIP
25.	4I-1674	[4]	CLIP
26.	4I-1676	[4]	CLIP
27.	7Y-3732	[2]	CLIP
28.	7Y-4868	[4]	CLIP
29.	135-3980	[6]	CLIP
30.	7X-2543 M	[4]	BOLT (M10X1.5X120MM)
31.	8T-4139 M	[38]	BOLT (M12X1.75X30MM)
32.	8T-4196 M	[4]	BOLT (M10X1.50X35MM)
33.	8T-4910 M	[4]	BOLT (M12X1.75X60MM)
34.	8T-4121	[4]	WASHER-HARD (2.5MM THK)
35.	8T-4223	[38]	WASHER-HARD (3MM THK)
36.	3J-1907	[2]	SEAL-O-RING (11.89MM ID)
37.	4J-5267	[1]	SEAL-O-RING (24.99MM ID)
38.	5K-9090	[3]	SEAL-O-RING (23.52MM ID)
39.	6V-8398	[8]	SEAL-O-RING (12.47MM ID)
40.	6V-9746	[13]	SEAL-O-RING (18.94MM ID)
41.	7M-8485	[1]	SEAL-O-RING (29.74MM ID)
42.	1P-3703	[1]	SEAL-RECTANGULAR (31.86MM ID)
43.	1P-3704	[1]	SEAL-RECTANGULAR (38.2MM ID)
44.	2M-9780	[1]	SEAL-O-RING (19.18MM ID)
45.	7T-7679	[1]	PLUG-STRAIGHT THREAD
46.	118-4205 Y	[1]	VALVE GP-CHECK & RELIEF
47.	6K-0806 B	[9]	STRAP-CABLE
	B		USE AS REQUIRED
	I		SEE HOSE FABRICATION GUIDE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBC06000044

5Q-3989: LINES GP-BOOM CYLINDER

LINES GP-BOOM CYLINDER

5Q-3989 LINES GP-BOOM CYLINDER
PART OF 5Q-3988 BOOM AR
AN ATTACHMENT

i01250576 SEBC0600

5Q3989 LINES GP-BOOM CYLINDER Parts scheme

For full view, you need register

Parts for your 320B FM LL EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5Q-4214	[1]	TUBE AS
2.	5Q-4215	[1]	TUBE AS
3.	5Q-4934	[1]	TUBE AS
4.	5Q-4935	[1]	TUBE AS
5.	5Q-4936	[1]	TUBE AS
6.	5Q-4937	[1]	TUBE AS
7.	5Q-4220	[1]	BLOCK
8.	5Q-4221	[1]	BLOCK
9.	5Q-4222	[2]	SUPPORT AS
10.	5Q-4223	[6]	SUPPORT AS
			(EACH INCLUDES)
	8T-3490 M	[2]	NUT-WELD (M10X1.5 THD)
11.	4I-1674	[4]	CLIP
12.	7Y-4868	[4]	CLIP
13.	6V-9182	[2]	ELBOW (FACE SEAL)
14.	118-4205 Y	[2]	VALVE GP-CHECK & RELIEF
15.	119-2802	[2]	BAR
16.	7X-2543 M	[8]	BOLT (M10X1.5X120MM)
17.	8T-4136 M	[4]	BOLT (M10X1.50X25MM)
18.	8T-4139 M	[8]	BOLT (M12X1.75X30MM)
19.	8T-4185 M	[8]	BOLT (M10X1.5X50MM)
20.	8T-4186 M	[4]	BOLT (M10X1.50X40MM)
21.	8T-4195 M	[20]	BOLT (M10X1.50X30MM)
22.	096-9986 M	[8]	BOLT
23.	7T-7679	[4]	PLUG-STRAIGHT THREAD
24.	8T-4121	[20]	WASHER-HARD (2.5MM THK)
25.	8T-4223	[8]	WASHER-HARD (3MM THK)
26.	1P-3703	[4]	SEAL-RECTANGULAR (31.86MM ID)
27.	1P-3704	[2]	SEAL-RECTANGULAR (38.2MM ID)
28.	4J-5267	[2]	SEAL-O-RING (24.99MM ID)
29.	6V-9746	[8]	SEAL-O-RING (18.94MM ID)
30.	7M-8485	[2]	SEAL-O-RING (29.74MM ID)
31.	2M-9780	[4]	SEAL-O-RING (19.18MM ID)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBC06000045

187-1298: LINES GP-HYDRAULIC

LINES GP-HYDRAULIC

187-1298 LINES GP-HYDRAULIC
PART OF 186-5141 GENERATOR AR-HYDRAULIC

i01369393 SEBC0600

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Parts for your 320B FM LL EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	188-3946	[1]	HOSE AS
2.	190-4127	[2]	HOSE AS
3.	6S-5693	[1]	TEE
4.	148-8362	[2]	ELBOW AS
			(EACH INCLUDES)
	3D-2824	[1]	SEAL-O-RING (23.47MM ID)
	5K-9090	[1]	SEAL-O-RING (23.52MM ID)
	8T-6684	[1]	ELBOW-90 DEGREE (1 1/16-12 THD)

#SEBC06000046

5Q-3985: LINES GP-PILOT

LINES GP-PILOT

5Q-3985 LINES GP-PILOT
PART OF 5Q-3979 OPERATOR AR
AN ATTACHMENT

i01230359 SEBC0600

For full view, you need register

Parts for your 320B FM LL EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5Q-4345 I	[5]	HOSE AS
2.	121-1738 I	[6]	HOSE AS
3.	108-7396 I	[2]	HOSE AS
4.	137-0859	[1]	SUPPORT
5.	5Q-4400	[1]	SUPPORT AS
		[1]	PLATE
		[2]	BOSS
		[1]	PLATE
	5Q-4402	[1]	PLATE AS
	6V-9632 M	[1]	NUT-WELD (M6X1 THD)
	8T-3597 M	[1]	NUT-WELD (M12X1.75 THD)
		[1]	PLATE
6.	5Q-4390	[1]	SUPPORT AS
		[1]	PLATE
		[1]	PLATE
		[1]	PLATE
		[2]	BOSS
	5Q-4399	[1]	PLATE AS
	8T-3597 M	[1]	NUT-WELD (M12X1.75 THD)
7.	5Q-4891	[1]	SUPPORT AS
	8T-3490 M	[1]	NUT-WELD (M10X1.5 THD)
8.	030-8156	[4]	ELBOW
9.	3J-1907	[5]	SEAL-O-RING (11.89MM ID)
10.	6V-8988	[2]	ELBOW-45 DEGREE BULKHEAD (13/16-16 THD)
11.	137-0869	[1]	FITTING
12.	137-0868	[12]	UNION
13.	2P-1279	[13]	LOCKNUT (9/16-18 THD)
14.	6V-9169	[2]	NUT-BULKHEAD (13/16-16 THD)
15.	8S-4950	[4]	CAP (37 DEGREE FLARED)
16.	9X-8257	[13]	WASHER (3.50MM THK)
17.	6V-8398	[6]	SEAL-O-RING (12.47MM ID)
18.	4P-7582	[6]	CLIP (26.0MM ID)
19.	5P-5148	[6]	STRAP-TIE (120.65MM DIA)
20.	8T-4179 M	[4]	BOLT (M12X1.75X20MM)
21.	8T-4192 M	[2]	BOLT (M12X1.75X25MM)
22.	8T-4223	[18]	WASHER-HARD (3MM THK)
23.	8T-4137 M	[4]	BOLT (M10X1.50X20MM)
24.	8T-4121	[4]	WASHER-HARD (2.5MM THK)
25.	4I-9521	[6]	BAND-HOSE (L1-RED)
26.	4I-9522	[8]	BAND-HOSE (L2-YELLOW)
27.	4I-9523	[2]	BAND-HOSE (L3-BLUE)
28.	4I-9524	[2]	BAND-HOSE (L4-BROWN)
29.	4I-9525	[6]	BAND-HOSE (R1-ORANGE)
30.	4I-9526	[4]	BAND-HOSE (R2-WHITE)
31.	4I-9527	[4]	BAND-HOSE (R3-GREEN)
32.	4I-9528	[2]	BAND-HOSE (R4-PURPLE)
33.	2R-6806	[1]	CONNECTOR (9/16-18 STR THD)
34.	6V-8639	[2]	CONNECTOR-SEAL
35.	3K-0360	[2]	SEAL-O-RING (16.36MM ID)
36.	5Q-4395	[1]	BAR AS
37.	8T-4244 M	[6]	NUT (M12X1.75 THD)
38.	8T-4139 M	[4]	BOLT (M12X1.75X30MM)
39.	5Q-4405	[1]	BAR AS
	I		SEE HOSE FABRICATION GUIDE
	M		METRIC PART

#SEBC06000047

5Q-4263: LINES GP-PILOT

LINES GP-PILOT

5Q-4263 LINES GP-PILOT
PART OF 5Q-1736 SPECIAL AR
AN ATTACHMENT

i01224616 SEBC0600

For full view, you need register

Parts for your 320B FM LL EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	061-9258	[2]	TEE
2.	3J-1907	[4]	SEAL-O-RING (11.89MM ID)
3.	4I-3772 I	[1]	HOSE AS
4.	5I-3154 I	[1]	HOSE AS
5.	2R-6806	[4]	CONNECTOR (9/16-18 STR THD)
6.	5I-4487 I	[2]	HOSE AS
	I		SEE HOSE FABRICATION GUIDE

#SEBC06000048

5Q-4893: LINES GP-PILOT

LINES GP-PILOT

5Q-4893 LINES GP-PILOT
PART OF 5Q-1736 SPECIAL AR
AN ATTACHMENT

i01224633 SEBC0600

For full view, you need register

Parts for your 320B FM LL EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	141-1342	[2]	HOSE AS
2.	030-7947	[2]	ELBOW
3.	3J-1907	[9]	SEAL-O-RING (11.89MM ID)
4.	2R-6806	[3]	CONNECTOR (9/16-18 STR THD)
5.	7K-1181 B	[5]	STRAP-CABLE
6.	4I-9521	[4]	BAND-HOSE (L1-RED)
7.	137-0869	[2]	FITTING
8.	9X-8257	[2]	WASHER (3.5MM THK)
9.	2P-1279	[2]	LOCKNUT (9/16-18 THD)
10.	4I-7684 I	[1]	HOSE AS
11.	4I-1410 I	[1]	HOSE AS
12.	4I-9525	[4]	BAND-HOSE (R1-ORANGE)
13.	137-0895	[1]	PLATE
14.	8T-4139 M	[2]	BOLT (M12X1.75X30MM)
15.	8T-4223	[2]	WASHER-HARD
16.	1P-1376	[2]	CONNECTOR-PORT
17.	3E-9205	[1]	VALVE GP-SOLENOID
18.	8T-6869 M	[2]	BOLT (M8X1.25X60MM)
19.	8T-4224	[2]	WASHER-HARD (8.8X16X2MM THK)
20.	9X-9097	[1]	MANIFOLD AS
21.	9S-4191	[2]	PLUG-O-RING (9/16-18 THD)
22.	128-7560 I	[2]	HOSE AS
	B		USE AS REQUIRED
	I		SEE HOSE FABRICATION GUIDE
	M		METRIC PART

#SEBC06000049

115-8921: LINES GP-PILOT

LINES GP-PILOT

115-8921 LINES GP-PILOT
PART OF 5Q-1736 SPECIAL AR
AN ATTACHMENT

i01224858 SEBC0600

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Parts for your 320B FM LL EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4S-3652	[2]	TEE-UNION
2.	4I-7608 I	[1]	HOSE AS
3.	4I-7611 I	[1]	HOSE AS
4.	7K-1181	[12]	STRAP-CABLE (4IN DIA)
5.	030-7947	[4]	ELBOW (9/16-18 STR THD)
6.	3J-1907	[5]	SEAL-O-RING (11.89MM ID)
7.	138-5032 I	[4]	HOSE AS
8.	6M-6853	[1]	TEE-O-RING
9.	146-7082	[1]	ADAPTER
10.	6V-8397	[1]	SEAL-O-RING (9.27MM ID)
	I		SEE HOSE FABRICATION GUIDE

Information:

HYDRAULIC SYSTEM

CYLINDER GP

Special Instruction

Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}

Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}

Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}

Technical Information Bulletin

The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}

Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}

Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}

Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}

Specifications

Boom Cylinder
320B Excavator Machine System Specifications

Stick Cylinder
320B Excavator Machine System Specifications

Boom Cylinder
320B Excavator Machine System Specifications

Stick Cylinder
320B Excavator Machine System Specifications

Bucket Cylinder
320B Excavator Machine System Specifications

Tool Operating Manual

Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}

1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}

Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}

Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}

Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}

Systems Operation

Boom Cylinder
320B Excavator Hydraulic System

Stick Cylinder
320B Excavator Hydraulic System

Bucket Cylinder
320B Excavator Hydraulic System

Reuse And Salvage Guidelines

Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}

Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}

Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}

HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}

Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}

Contamination Control Guidelines

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Applied Failure Analysis

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Information Release Memo

PRODUCT LINE ADDITIONS: REMANUFACTURED CYLINDERS AND RODS
PRODUCT LINE ADDITIONS: REMANUFACTURED CYLINDERS AND RODS

Bench Test Procedures

Disassembly and Assembly

Bucket Cylinder
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Stick Cylinder
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Boom Cylinders
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

New Grapple Leg Cylinders Available For Service Replacement {5564}
1998/08/03

New Backup Rings Are Available for Sealing Hydraulic Cylinders with Pitted Grooves {4303, 5102, 5104, 5106, 5456, 7562}
2002/07/01

New Assembly Instructions for Rod Seals on Hydraulic Cylinders are Available {7562}
2002/04/08

New High Temperature Buffer Seals Reduce Oil Leakage From Hydraulic Cylinders {7562}
2002/05/06

Correctly Assembling the Buffer Seal Will Prevent Failure of the U-Cup Seals {7562}
2001/07/30

Procedure for the Removal of Air From Hydraulic Cylinders {7562}
2003/01/06

Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09

Boom Cylinder Link Assemblies Support Implement During Service {0635, 0738}
2004/03/08

Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2012/10/04

Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2009/01/05

Correct Ring Orientation Provides Smooth Hydraulic Cylinder Operation {5456, 5458}
2009/03/16

A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

Caterpillar Parts SIS Catalog 320B FM LL :

123-2081 CYLINDER & SEAL GP-BOOM

123-2080 CYLINDER & LINES GP-STICK

9W-9356 TRACK GP

102-8109 TRACK ADJUSTER GP

136-2414 SPRING GP-RECOIL

5Q-4193 IDLER GP-FRONT

5Q-4192 IDLER GP-FRONT

5Q-3983 IDLER GP-FRONT

087-4771 DRIVE GP-AUXILIARY PUMP

5Q-3984 LINES GP-AUXILIARY HYDRAULIC

5Q-3990 LINES GP-BOOM

5Q-3989 LINES GP-BOOM CYLINDER

187-1298 LINES GP-HYDRAULIC

5Q-3985 LINES GP-PILOT

5Q-4263 LINES GP-PILOT

5Q-4893 LINES GP-PILOT

133-6770 CYLINDER & SEAL GP-BOOM PART OF 5Q-3988 BOOM AR AN ATTACHMENT 320B FM LL EXCAVATOR

HYDRAULIC SYSTEM

133-6770: CYLINDER & SEAL GP-BOOM

Parts for your 320B FM LL EXCAVATOR:

087-4771: DRIVE GP-AUXILIARY PUMP

Parts for your 320B FM LL EXCAVATOR:

5Q-3984: LINES GP-AUXILIARY HYDRAULIC

Parts for your 320B FM LL EXCAVATOR:

5Q-3990: LINES GP-BOOM

Parts for your 320B FM LL EXCAVATOR:

5Q-3989: LINES GP-BOOM CYLINDER

Parts for your 320B FM LL EXCAVATOR:

187-1298: LINES GP-HYDRAULIC

Parts for your 320B FM LL EXCAVATOR:

5Q-3985: LINES GP-PILOT

Parts for your 320B FM LL EXCAVATOR:

5Q-4263: LINES GP-PILOT

Parts for your 320B FM LL EXCAVATOR:

5Q-4893: LINES GP-PILOT

Parts for your 320B FM LL EXCAVATOR:

115-8921: LINES GP-PILOT

Parts for your 320B FM LL EXCAVATOR:

Information:

Caterpillar Parts SIS Catalog 320B FM LL :

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