2004/07/01 Caterpillar

Engine:

3406B (S/N: 6TB1-UP; 2WB1-UP; 4TB1-UP)

3408 (S/N: 99U1-UP; 67U1-UP; 78Z1-UP)

3408C (S/N: TAM1-UP)

3412 (S/N: 60M1-UP; 2WJ1-UP; 38S1-UP; 81Z1-UP)

3412C (S/N: BAK1-UP; PTL1-UP; RLR1-UP; 8AR1-UP; BAX1-UP)

3412E (S/N: 4CR1-UP; 9KS1-UP; BDT1-UP; BFT1-UP; 9PW1-UP)

3508 (S/N: 1ZF1-UP; 8TL1-UP; 3HM1-UP; 5XM1-UP; 9WN1-UP; 3LS1-UP; 3PS1-UP; 95Y1-UP; 96Y1-UP; 23Z1-UP; 68Z1-UP; 69Z1-UP; 70Z1-UP; CTF1-UP; 1JZ1-UP)

3508B (S/N: S2A1-UP; CBB1-UP; S2B1-UP; S2D1-UP; S2E1-UP; S2F1-UP; BAG1-UP; 2BM1-UP; 3DM1-UP; 4GM1-UP; 7SM1-UP; 6PN1-UP; 1TW1-UP; 2HW1-UP; 3DW1-UP; BPX1-UP; CTC1-UP; 1FZ1-UP)

3512 (S/N: 3YF1-UP; 6PM1-UP; 3MS1-UP; 3RS1-UP; 3WS1-UP; 49Y1-UP; 50Y1-UP; 24Z1-UP; 65Z1-UP; 66Z1-UP; 67Z1-UP; CTE1-UP; 1KZ1-UP)

3512B (S/N: BRC1-UP; AAG1-UP; FFG1-UP; S2J1-UP; S2K1-UP; S2L1-UP; S2M1-UP; 7HM1-UP; 8EM1-UP; 8RM1-UP; BRN1-UP; S2N1-UP; 4TN1-UP; 6WN1-UP; 1PW1-UP; 2GW1-UP; 4AW1-UP; 5AW1-UP; 2EZ1-UP; CTB1-UP; CTH1-UP; 1GZ1-UP)

3516 (S/N: 4XF1-UP; 4MJ1-UP; 5SJ1-UP; 7KM1-UP; 2TS1-UP; 3JS1-UP; 3NS1-UP; 3SS1-UP; 3XS1-UP; 25Z1-UP; 27Z1-UP; 29Z1-UP; 71Z1-UP; 72Z1-UP; 73Z1-UP; CTD1-UP; 1LZ1-UP)

3516B (S/N: CDE1-UP; TAK1-UP; CAN1-UP; CBN1-UP; 6HN1-UP; 7RN1-UP; 8CN1-UP; 8KN1-UP; 9AN1-UP; S2P1-UP; S2R1-UP; S2S1-UP; S2T1-UP; S2W1-UP; 1NW1-UP; 2FW1-UP; 2JW1-UP; 3CW1-UP; 4BW1-UP; S2X1-UP; S2Y1-UP; CTA1-UP; CTG1-UP; CTJ1-UP; 1HZ1-UP)

D13000 (S/N: 09J1-UP)

D17000 (S/N: 05E1-UP; 02V1-UP)

D17000 NA (S/N: 08V1-UP)

D315 NA (S/N: 07S1-UP)

D318 NA (S/N: 03V1-UP)

D337 NA (S/N: 22B1-UP)

D337 (S/N: 23B1-UP)

D3400 NA (S/N: 03R1-UP; 01T1-UP)

D346 (S/N: 39J1-UP; 40J1-UP)

D348 (S/N: 36J1-UP; 38J1-UP)

D349 (S/N: 61P1-UP; 62P1-UP)

D353 (S/N: 77B1-UP)

D353C (S/N: 46B1-UP; 47B1-UP)

D364 (S/N: 20B1-UP)

D375 (S/N: 17B1-UP)

D375D (S/N: 44B1-UP)

D379 (S/N: 68B1-UP; 76B1-UP; 69B1-UP)

D379B (S/N: 34Z1-UP)

D386 (S/N: 15B1-UP)

D397 (S/N: 10B1-UP; 12B1-UP)

D397D (S/N: 42B1-UP)

D398 (S/N: 66B1-UP; 75B1-UP; 67B1-UP)

D398B (S/N: 35Z1-UP)

D399 (S/N: 35B1-UP; 91B1-UP; 36Z1-UP)

D8800 (S/N: 02S1-UP; 06S1-UP)

G3508 (S/N: 4WD1-UP; 2JF1-UP; 9TG1-UP; CTN1-UP)

G3512 (S/N: 4KC1-UP; 5JD1-UP; 7NJ1-UP; 6JW1-UP; CTM1-UP)

G3516 (S/N: 3RC1-UP; 8LD1-UP; 4EK1-UP; 8PW1-UP; CTL1-UP)

G3516B (S/N: CTW1-UP)

G3520B (S/N: CWD1-UP)

G379 (S/N: 72B1-UP)

G398 (S/N: 73B1-UP)

G399 (S/N: 49C1-UP)

D3400 (S/N: 03S1-UP)

Engine News, SEBD9334, June 2004, "A New Screen is Used in the 1L-2073 Pressure Reducing Valve ". Disregard this article. The correct information follows.

Description of Change:

Illustration 1	g01064393

A new screen is used in the pressure reducing valve.

Adaptable To: New 252-9298 Strainer Screen (1) has a finer mesh that will prevent smaller debris from damaging the 1L-2073 Pressure Reducing Valve .

Before installation, the air supply lines to the valve must be thoroughly cleaned in order to remove any foreign material.

The 1L-2073 Pressure Reducing Valve is serviceable. The new 252-9298 Strainer Screen is also serviceable. The 252-9298 Strainer Screen replaces the previous 1H-9577 Strainer Screen .

Refer to the Application and Installation guideline for installation instructions for your equipment.

Refer to Table 1 for effective serial numbers.

Table 1

Effective Serial Numbers
S/N:4MJ00178	S/N:3RC01258	S/N:3PS00197	S/N:CBB00217	S/N:1JZ00719
S/N:3CW00258	S/N:2WJ08253	S/N:3RS00340	S/N:CBN00331	S/N:1KZ01539
S/N:8TL00011	S/N:5SJ00736	S/N:3SS00324	S/N:CDE00313	S/N:1LZ00615
S/N:60M11065	S/N:4WD00034	S/N:3WS00334	S/N:BRN00196	S/N:CTC00256
S/N:78Z08086	S/N:5JD00105	S/N:3XS00408	S/N:S2B00109	S/N:CTB00190
S/N:81Z27732	S/N:8LD00135	S/N:3LS00228	S/N:S2D00105	S/N:CTA00153
S/N:BDT03431	S/N:9TG00380	S/N:3MS00233	S/N:S2E00143	S/N:CTG00300
S/N:67U21166	S/N:7NJ01048	S/N:3NS00246	S/N:S2F00102	S/N:CTH00287
S/N:99U12284	S/N:4EK04065	S/N:5AW00137	S/N:S2J00121	S/N:CTD00215
S/N:38S23267	S/N:5XM00032	S/N:2EZ00358	S/N:S2K00106	S/N:CTE00363
S/N:95Y01233	S/N:6PM00053	S/N:4BW00573	S/N:S2L00149	S/N:CTF00264
S/N:96Y02073	S/N:7KM00077	S/N:3DW00179	S/N:S2M00104	S/N:CTN00208
S/N:49Y01050	S/N:7SM00990	S/N:1PW00441	S/N:S2N00105	S/N:CTM00346
S/N:50Y01828	S/N:4TN00837	S/N:2FW00338	S/N:S2R00100	S/N:CTL00747
S/N:27Z00861	S/N:8KN00584	S/N:1TW00361	S/N:S2S00112	S/N:CTW00487
S/N:29Z01400	S/N:2BM00188	S/N:2GW00427	S/N:S2W00100	S/N:CTJ00200
S/N:23Z07946	S/N:3DM00479	S/N:2HW00269	S/N:S2X00124	S/N:CWD00221
S/N:24Z10164	S/N:7HM00270	S/N:4AW00876	S/N:S2Y00104	S/N:TAM00147
S/N:25Z07104	S/N:8EM00526	S/N:1NW00145	S/N:3HM00015	S/N:RLR00164
S/N:68Z01106	S/N:8CN00212	S/N:9KS04084	S/N:9WN00016	S/N:4KC00588
S/N:69Z00895	S/N:9AN00374	S/N:6JW00129	S/N:3JS00009	S/N:2JW00413
S/N:70Z01078	S/N:6PN00889	S/N:8PW00344	S/N:2TS00008	S/N:CAN00111
S/N:65Z01151	S/N:8RM00759	S/N:9PW02815	S/N:AAG00006	S/N:1HZ02737
S/N:66Z00653	S/N:7RN01955	S/N:BAX02229	S/N:BAG00025	S/N:73Z00973
S/N:67Z02097	S/N:4GM00743	S/N:BAK02229	S/N:FFG00026	S/N:4CR03949
S/N:71Z00406	S/N:6WN00803	S/N:BFT02340	S/N:TAK00004	S/N:BRC00159
S/N:72Z00567	S/N:8AR03307	S/N:BPX00101	S/N:1FZ02204	S/N:1GZ01853