1L5011 REGULATOR AND PRESSURE REDUCING VALVE GROUP G343 GAS ENGINE

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

0. 1L-5011 VALVE GP-S
1. 1L-5010 AIR RECEIV

FUEL SYSTEM

REGULATOR GP-GAS PRESSURE

2. 3N-7025 GAS PRESSU

CARBURETOR GP

3. 6L-7355 CARBURETOR

AIR INLET AND EXHAUST SYSTEM

AIR CLEANER GP

4. 6L-6789 AIR PRECLE
5. 5L-8091 CAP GP-AIR
6. 5L-7942 PRECLEANER
7. 6L-7054 AIR CLEANE
8. 2S-5651 PRECLEANER

ENGINE ARRANGEMENT

CONVERSION GP-ENGINE

9. 2N-7442 NATURALLY
0. INFORMATION

GAS ENGINE G343 GAS ENGINE 97N
G343 ENGINE 97N00001-UP UEG0250S G343 97N (1969)

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

6N-9593 AIR STARTING MOTOR GROUP

6N-9550 AIR START MOTOR ASSEMBLY

1L-5011 VALVE GP-STARTING AIR

1L-5010 AIR RECEIVER GP

#UEG0250S0120

1L-5011: VALVE GP-STARTING AIR

VALVE GP-STARTING AIR

1L5011 REGULATOR AND PRESSURE REDUCING VALVE GROUP

c79655 UEG0250S

1L5011 VALVE GP-STARTING AIR Parts scheme

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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
1H-9568	[1]	SCREW
1L-9048	[1]	NUT
1L-9059	[1]	HOUSING
1H-9569	[1]	BUTTON
1L-9049	[1]	SPRING
1L-9062	[6]	BOLT
1L-9061	[6]	NUT
1L-9063	[1]	DIAPHRAGM
1H-9572	[1]	PLATE
1L-9060	[1]	BUTTON
1L-9064	[1]	PISTON ASSEM.
1L-9066	[1]	SCREEN
1L-9068	[1]	BODY
7L-8705	[1]	CYLINDER
1H-9580	[1]	GASKET
1L-9067	[1]	SPRING
1L-9069	[1]	PLUG ASSEM.

#UEG0250S0121

1L-5010: AIR RECEIVER GP

AIR RECEIVER GP

1L5010 AIR RECEIVER GROUP

c39751 UEG0250S

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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
6F-7702	[1]	VALVE
6F-7699	[1]	BUSHING
1L-5008	[1]	RECEIVER
6F-7731	[1]	GAUGE
9B-3523	[1]	BUSHING
6F-7732	[1]	BUSHING
6F-7694	[1]	COCK
6F-6045	[2]	NIPPLE
6F-7701	[1]	TEE
7F-6923	[1]	BUSHING
8B-3308	[1]	NIPPLE
1L-5009	[1]	VALVE

#UEG0250S0122

3N-7025: GAS PRESSURE REGULATOR GROUP

GAS PRESSURE REGULATOR GROUP

3N7025 GAS PRESSURE REGULATOR GROUP--Dual Fuel
FOR USE WITH NATURAL GAS AND VAPORIZED PROPANE OR NATURAL GAS AND DIGESTER GAS
6L4104 Regulator parts are shown on Page 19

c147018 UEG0250S

3N7025 GAS PRESSURE REGULATOR GROUP Parts scheme

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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4S-5575	[1]	PIPE
2.	6B-3685	[1]	ELBOW
3.	1H-4617	[3]	NIPPLE
4.	6L-7028	[2]	JOINT ASSEM.
			(Each Includes)
	3N-2724	[2]	SEAL
5.	6F-8860	[1]	NIPPLE
6.	1L-2782	[1]	TEE
7.	9F-4513	[1]	PIPE
8.	1F-3605	[1]	BUSHING
9.	4B-4609	[1]	NIPPLE
10.	6L-6115	[1]	VALVE
11.	3K-0846	[4]	NUT
12.	9S-7730	[1]	TEE
13.	7L-4224	[1]	JOINT ASSEM.
			(Includes)
	3N-2723	[2]	SEAL
14.	7B-3603	[1]	PIPE
15.	6L-4382	[1]	ELBOW
16.	5K-9244	[2]	ELBOW
17.	3B-7254	[2]	BUSHING
18.	5P-1201 H		TUBE 75.08 cm(29.56 in.)
19.	8B-3254	[1]	PIPE
20.	8B-6021	[1]	ADAPTER
21.	5P-1201 H		TUBE 75.79 cm(29.84 in.)
22.	3N-4630	[1]	REGULATOR
23.	2H-3708	[8]	BOLT
24.	3B-4506	[16]	LOCKWASHER
25.	7L-8202	[2]	BRACKET ASSEM.
26.	0S-1590	[8]	BOLT
	4B-4277	[8]	WASHER
	6B-0933 J	[8]	SPACER (.250 in. thick)
27.	1K-5888 J	[2]	SPACER (.625 in. thick)
28.	6L-4104 Y	[1]	REGULATOR ASSEM.
			(Separate Illustration)
29.	6F-7694	[2]	COCK
	H		ORDER BY THE DECIMETRE
	Y		SEPARATE ILLUSTRATION
	J		USE AS REQUIRED

#UEG0250S0123

6L-7355: CARBURETOR AS

CARBURETOR AS

6L7355 CARBURETOR ASSEMBLY--Low BTU
FOR USE WITH DIGESTER GAS

c147017 UEG0250S

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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
7H-3171	[1]	PLUG
6L-5291	[1]	ELBOW
6L-5283	[2]	COVER
6L-5281	[2]	SPRING
		(Air Valve)
4N-9173	[2]	DIAPHRAGM ASSEM.
3N-3994	[1]	DIAPHRAGM
		(Part of 4N9173 Assem.)
6L-5289	[1]	THROTTLE ASSEM.
6L-5285	[1]	SHAFT
6L-5287	[1]	DISC
		(Parts of Throttle Assem. 6L5289)
6L-5297	[1]	SCREW (Idle)
6L-5282	[1]	SPRING
4N-9172	[1]	BODY ASSEM.
6L-5286	[1]	LEVER ASSEM.
6L-5284	[1]	LEVER ASSEM.
6L-5296	[1]	SCREW
		(Parts of Throttle Assem. 6L5289)
		THE FOLLOWING REPAIR KITS ARE AVAILABLE:
6L-5292	[1]	KIT (Bearing)
		(Includes Bearings, Retainers, and Seals)
6L-5293	[1]	KIT (Hardware)
		(Includes Screw Assemblies and Bolt Assemblies)
6L-5294	[1]	KIT (Gasket)
		(Includes 2 Gaskets)

#UEG0250S0124

6L-6789: AIR PRECLEANER GROUP

AIR PRECLEANER GROUP

6L6789 AIR PRECLEANER GROUP
2S5651 Precleaner parts are shown on Page 51B

c145469 UEG0250S

6L6789 AIR PRECLEANER GROUP Parts scheme

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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
2S-5651 YC	[1]	PRECLEANER ASSEM.
		(Separate Illustration)
6L-6790	[1]	TUBE
5L-4659	[1]	CLAMP
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION

#UEG0250S0125

5L-8091: CAP GP-AIR CLEANER

CAP GP-AIR CLEANER

5L8091 AIR CLEANER CAP GROUP
FOR USE WITH NATURALLY ASPIRATED ENGINE

c201769 UEG0250S

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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	Z	[1]	CAP
2.	5P-0599 C	[1]	CLAMP
	C		CHANGE FROM PREVIOUS TYPE
	Z		NOT SERVICED SEPARATELY

#UEG0250S0126

5L-7942: PRECLEANER GP

PRECLEANER GP

5L7942 AIR PRECLEANER GROUP--Full View

c91458 UEG0250S

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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
	9M-5201	[1]	COVER ASSEM
	6H-8021	[1]	BODY

#UEG0250S0127

6L-7054: AIR CLEANER CAP GROUP

AIR CLEANER CAP GROUP

6L7054 AIR CLEANER CAP GROUP

c146338 UEG0250S

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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4L-4795	[1]	AIR CLEANER CAP GROUP
2.	5P-0600	[1]	CLAMP
3.	6L-6790	[1]	TUBE

#UEG0250S0128

2S-5651: PRECLEANER AS

PRECLEANER AS

2S5651 PRECLEANER ASSEMBLY
Part of 6L6789 Air Precleaner Group shown on Page 51

c210682 UEG0250S

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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1S-9407	[1]	SLEEVE ASSEM.
2.	3S-2957	[1]	BOLT
	3S-9121	[1]	WASHER
3.	2S-2493	[1]	COVER ASSEM.
4.	2S-6708	[1]	COLLECTOR

#UEG0250S0129

2N-7442: NATURALLY ASPIRATED ENGINE CONVERSION ARRANGEMENT

NATURALLY ASPIRATED ENGINE CONVERSION ARRANGEMENT

2N7442 NATURALLY ASPIRATED ENGINE CONVERSION ARRANGEMENT--Part 1 of 2
Type 1--Factory Installation

c154272 UEG0250S

2N7442 NATURALLY ASPIRATED ENGINE CONVERSION ARRANGEMENT Parts scheme

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Parts for your G343 GAS ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3J-5390	[1]	PLUG
2.	0S-1591	[16]	BOLT
3.	3B-4506	[35]	LOCKWASHER
4.	6L-5303	[1]	GASKET
5.	2N-7441	[1]	ADAPTER ASSEM.
	2M-8016	[1]	GASKET
6.	5M-6214	[1]	PLUG
7.	5P-1268 CH		HOSE 76.20 cm(3 in.)
8.	5L-7875	[2]	BAND
9.	2N-7434	[1]	COUPLING ASSEM.
10.	9M-8788	[1]	SEAL
11.	7L-8470	[1]	BODY ASSEM.
12.	6L-4711	[2]	CLAMP ASSEM.
			(Part of 7L8470 Assem.)
13.	4L-9852	[1]	ELEMENT ASSEM.
14.	4L-9891	[1]	GASKET
			(Part of 4L9852 Assem.)
15.	2N-9881 C	[1]	COVER ASSEM.
16.	1S-6629	[1]	COVER
	9M-2678	[1]	GASKET
17.	0S-1594	[13]	BOLT
18.	0S-1588	[4]	BOLT
19.	3B-1915	[1]	BOLT
20.	5F-6259	[1]	COVER
	5F-3181	[1]	GASKET
21.	0L-1351	[1]	BOLT
	C		INDICATES CHANGE
	H		ORDER BY THE CENTIMETRE