1M3385 DASH LAMP ASSEMBLY--24 Volt Part of Battery and Wiring shown on Page 56 225 EXCAVATOR

ELECTRICAL AND STARTING SYSTEM

LIGHTING GP

0. 1M-3385 DASH LAMP
1. 1M-1882 LAMP GP
2. 8K-2531 LIGHTING G
3. 8K-8810 BOOM LIGHT
4. 8K-4025 STUB BOOM

HYDRAULIC SYSTEM

MISCELLANEOUS INFORMATION

5. 8K-4209 SUPPORT AS

SUPPORT GP

6. 8K-1915 VALVE AND
7. 8K-1915 VALVE AND

VALVE GP-CONTROL

8. 8J-3887 CONTROL VA
9. 8J-3887 CONTROL VA
0. INFORMATION

EXCAVATOR 225 EXCAVATOR 51U
225 EXCAVATOR 51U00001-00589 (MACHINE) UEG0663S 225 51U (1972)

ELECTRICAL AND STARTING SYSTEM

LIGHTING GP

1M-3385 DASH LAMP ASSEMBLY

1M-1882 LAMP GP

8K-2531 LIGHTING GROUP

8K-8810 BOOM LIGHTING GROUP

8K-4025 STUB BOOM LIGHTING GROUP

#UEG0663S0090

1M-3385: DASH LAMP ASSEMBLY

DASH LAMP ASSEMBLY

1M3385 DASH LAMP ASSEMBLY--24 Volt
Part of Battery and Wiring shown on Page 56

c114977 UEG0663S

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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2M-1446	[1]	NUT
2.	7M-4870	[1]	COVER
3.	3H-2691	[1]	BULB
4.	2M-1449	[1]	LENS

#UEG0663S0091

1M-1882: LAMP GP

LAMP GP

1M1882 FLOOD LAMP ASSEMBLY--24 Volt
Part of 8K2531 and 8K8810 Lighting Groups shown on Pages 61 and 62
Only separate parts serviced. AN ATTACHMENT

c119409 UEG0663S

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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1M-5898	[1]	LAMP-SEALED UNIT
2.	2P-2541	[1]	BODY AS
3.	2M-5282	[1]	RING-MOUNTING
4.	2M-5284	[2]	MOLDING AS
	5M-6668	[2]	SCREW-MACHINE

#UEG0663S0092

8K-2531: LIGHTING GROUP

LIGHTING GROUP

8K2531 LIGHTING GROUP--24 Volt
AN ATTACHMENT

c214424 UEG0663S

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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8K-1432	[1]	HARNESS ASSEM.
			(Includes)
	5P-5629 CH		WIRE 6.07 m(239 in.)
2.	2L-8075 C	[2]	TERMINAL
3.	8K-6211	[17]	CLIP
4.	1M-1882 Y	[2]	LAMP ASSEM.
			(Separate Illustration)
5.	0S-1594	[4]	BOLT
	1D-4717	[4]	NUT
	3B-4506	[4]	LOCKWASHER
6.	5D-3183	[2]	NUT
	5D-3184	[2]	LOCKWASHER
	2B-8352	[2]	WASHER
7.	8K-8931	[2]	BRACKET
8.	8M-8948	[1]	FUSE (15 amp)
9.	9M-5870 C	[1]	GROMMET
	H		ORDER BY THE METRE
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE

#UEG0663S0093

8K-8810: BOOM LIGHTING GROUP

BOOM LIGHTING GROUP

8K8810 BOOM LIGHTING GROUP--24 Volt
1M1882 Lamp parts are shown on Page 60
AN ATTACHMENT

c161572 UEG0663S

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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0L-1351	[9]	BOLT
2.	3B-4506	[9]	LOCKWASHER
3.	3S-8664	[4]	CLIP
4.	8M-8948	[1]	FUSE
5.	6K-0806	[12]	STRAP
6.	1M-1882 Y	[2]	LAMP ASSEM.
			(Separate Illustration)
7.	8K-1410 C	[1]	WIRE ASSEM.
	5P-5629 J		WIRE 1.60 m(63 in.)
8.	5P-0721 H		HOSE 126.54 cm(51 in.)
9.	2D-8781	[2]	TERMINAL
	2D-3981	[2]	INSULATOR
10.	8K-1411 C	[1]	WIRE ASSEM.
	5P-5629 J		WIRE 5.69 m(224 in.)
11.	2D-8781	[1]	TERMINAL
	2D-3981	[1]	INSULATOR
12.	5P-0721 H		HOSE 528.32 cm(208 in.)
13.	5D-3183	[2]	NUT
	5D-3184	[2]	LOCKWASHER
	2B-8352	[2]	WASHER
14.	8K-2352	[2]	BRACKET ASSEM.
	J		ORDER BY THE METRE
	Y		SEPARATE ILLUSTRATION
	H		ORDER BY THE CENTIMETRE
	C		INDICATES CHANGE

#UEG0663S0094

8K-4025: STUB BOOM LIGHTING GROUP

STUB BOOM LIGHTING GROUP

8K4025 STUB BOOM LIGHTING GROUP
1M1882 Lamp parts are shown on Page 60
FOR USE WITH 8K4028 TWO PIECE BOOM. AN ATTACHMENT

c146701 UEG0663S

8K4025 STUB BOOM LIGHTING GROUP Parts scheme

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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8M-8948	[1]	FUSE
2.	8K-3996	[1]	WIRE ASSEM.
			(Includes)
	5P-0497 H		WIRE 52.70 dm(207.48 in.)
3.	5P-0721 J		HOSE 486.4 cm(160.31 in.)
4.	2L-8075	[1]	TERMINAL
5.	6K-0806	[3]	STRAP
6.	8K-3997	[1]	WIRE ASSEM.
			(Includes)
	5P-0497 H		WIRE 27.18 dm(107.00 in.)
7.	2L-8075	[2]	TERMINAL
8.	5P-0721 J		HOSE 241.3 cm(95.00 in.)
9.	1M-1882 Y	[2]	LAMP GROUP
			(Separate Illustration)
10.	0L-1351	[17]	BOLT
	3B-4506	[17]	LOCKWASHER
11.	5D-3183	[2]	NUT
	5D-3184	[2]	LOCKWASHER
	2B-8352	[2]	WASHER
12.	3S-8664	[14]	CLIP
13.	8K-2352	[2]	BRACKET ASSEM.
	H		ORDER BY THE DECIMETRE
	Y		SEPARATE ILLUSTRATION
	J		ORDER BY THE CENTIMETRE

#UEG0663S0095

8K-4209: SUPPORT ASSEMBLY SERVICE GROUP

SUPPORT ASSEMBLY SERVICE GROUP

8K4209 SUPPORT ASSEMBLY SERVICE GROUP
Serial No. 51U1 to 51U473 inclusive. Provides Field Replacement for
8K1281 Support Assembly. Only separate parts serviced

UEG0663S0095 UEG0663S

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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
8K-3973	[1]	SUPPORT ASSEMBLY
5M-8291	[1]	LUG
3D-4446	[1]	PLATE

#UEG0663S0096

8K-1915: VALVE AND FILTER SUPPORT

VALVE AND FILTER SUPPORT

VALVE AND FILTER SUPPORT (8K1915 N/S)
Serial No. 51U1 to 51U473 inclusive

c116808 UEG0663S

8K1915 VALVE AND FILTER SUPPORT Parts scheme

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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.		[1]	BAFFLE ASSEM.
2.		[2]	BOLT
3.		[6]	NUT
		[6]	LOCKWASHER
4.		[4]	BOLT
5.		[6]	BOLT
		[6]	LOCKWASHER
		[6]	WASHER
6.		[1]	SUPPORT ASSEM.
7.	C	[1]	LUG
8.		[5]	BOLT
		[5]	LOCKWASHER
	C		INDICATES CHANGE

#UEG0663S0097

8K-1915: VALVE AND FILTER SUPPORT

VALVE AND FILTER SUPPORT

VALVE AND FILTER SUPPORT (8K1915 N/S)
Serial No. 51U474-Up

c202117 UEG0663S

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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8K-4036 C	[1]	BAFFLE ASSEM.
2.	2H-3756	[2]	BOLT
3.	1D-4720	[6]	NUT
	3B-4510	[6]	LOCKWASHER
4.	1D-4595	[4]	BOLT
5.	0S-1585	[6]	BOLT
	3B-4508	[6]	LOCKWASHER
	4B-4280	[6]	WASHER
6.	8K-3973 C	[1]	SUPPORT ASSEM.
7.	8K-4260 C	[1]	BAFFLE
8.	0L-1351	[5]	BOLT
	3B-4506	[5]	LOCKWASHER
	C		INDICATES CHANGE

#UEG0663S0098

8J-3887: CONTROL VALVE GROUP

CONTROL VALVE GROUP

8J3887 CONTROL VALVE GROUP--3 Stem--Part 1 of 2
Serial No. 51U1 to 51U187 inclusive

c114867 UEG0663S

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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS

Pos.	Qty	Parts name
1.	[12]	BOLT
2.	[24]	LOCKWASHER
3.	[6]	PLUG
	[6]	SEAL
4.	[6]	SCREW
5.	[3]	HOUSING
6.	[6]	SEAL
7.	[8]	BOLT
	[8]	LOCKWASHER
8.	[2]	HOUSING
9.	[2]	SEAL
10.	[2]	STEM
11.	[2]	SPRING
12.	[12]	SHIM
13.	[1]	WASHER
14.	[1]	RETAINER
15.	[1]	SPRING
16.	[1]	SPACER
17.	[1]	BOLT
18.	[3]	LOCKWASHER
19.	[3]	WASHER
20.	[1]	RETAINER
21.	[2]	SHIM (.010" Thick)
	[2]	SHIM (.030" Thick)
22.	[3]	HOUSING
23.	[12]	BOLT
24.	[2]	BOLT
25.	[4]	RETAINER
26.	[12]	SHIM
27.	[2]	SPRING (Inner)
28.	[2]	SPRING (Outer)
29.	[4]	RETAINER

#UEG0663S0099

8J-3887: CONTROL VALVE GROUP

CONTROL VALVE GROUP

8J3887 CONTROL VALVE GROUP--3 Stem--Part 2 of 2
Serial No. 51U1 to 51U187 inclusive
8J328 and 8J6798 Valve parts are shown on Pages 72 and 73

c114868 UEG0663S

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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8J-0426	[1]	PLUG
2.	7M-8485	[14]	SEAL
3.	7J-7852	[6]	SPRING
4.	8J-0324	[6]	PLUG
5.	9S-8006	[1]	PLUG
	2M-9780	[1]	SEAL
6.	3B-9364	[5]	SPRING
7.	8J-0328 Y	[3]	VALVE GROUP
			(Separate Illustration)
8.	8J-1575	[1]	COVER
	4J-0520	[1]	SEAL
9.	0T-0772	[4]	BOLT
	3B-4507	[4]	LOCKWASHER
10.	8J-6798 Y	[2]	VALVE GROUP
			(Separate Illustration)
11.	9S-4191	[2]	PLUG
	3J-1907	[2]	SEAL
12.	9S-4180	[6]	PLUG
	4J-7533	[6]	SEAL
13.	8J-6815	[2]	PLUG
14.	7J-7423	[3]	VALVE
15.	7S-8491	[3]	SPRING
16.	7J-7420	[3]	PLUG
	2S-4078	[3]	SEAL
17.	8J-4645	[7]	PLUG
18.	8J-4421	[1]	VALVE GROUP
	Y		SEPARATE ILLUSTRATION