DISC ASSEM. 8D2421 - Caterpillar

Electric Power Generation3512 GEN SET (S/N: ZAF1-UP)3512B GENSET (S/N: ZAH1-UP; ZAJ1-UP)3516B GEN SET (S/N: ZAP1-UP)3516C GEN SET (S/N: SBK1-UP)Engine3508 (S/N: ZAB1-UP; CNF1-UP; PTK1-UP; CAW1-UP; 5PW1-UP; 95Y1-UP; 96Y1-UP; 23Z1-UP; 68Z1-UP; 69Z1-UP; 70Z1-UP)3508B (S/N: S2A1-UP; CBB1-UP; CNB1-UP; S2B1-UP; S2D1-UP; ZAD1-UP; S2E1-UP; S2F1-UP; 3DM1-UP; 7SM1-UP; DPN1-UP; PTN1-UP; 6PN1-UP; C8R1-UP; 5PS1-UP; 1TW1-UP; 2HW1-UP; 3DW1-UP; BGX1-UP; BPX1-UP)3508C (S/N: TTA1-UP; TTB1-UP; F1X1-UP)3512 (S/N: PTG1-UP; PTH1-UP; CMJ1-UP; YAK1-UP; FDR1-UP; 6WW1-UP; YAX1-UP; 49Y1-UP; 50Y1-UP; 24Z1-UP; 65Z1-UP; 66Z1-UP; 67Z1-UP)3512B (S/N: BRC1-UP; CMC1-UP; FDE1-UP; BLF1-UP; PTF1-UP; PWG1-UP; S2G1-UP; S2H1-UP; YAH1-UP; S2J1-UP; BRK1-UP; S2K1-UP; S2L1-UP; PTM1-UP; S2M1-UP; YAM1-UP; 7HM1-UP; 8EM1-UP; 8RM1-UP; S2N1-UP; YAN1-UP; 4TN1-UP; 1PW1-UP; 2GW1-UP; 3ZW1-UP; 4AW1-UP; 5AW1-UP; 6GW1-UP; YAY1-UP; YAZ1-UP; 2EZ1-UP)3512C (S/N: LLA1-UP; SCC1-UP; TTC1-UP; TTE1-UP; TTF1-UP; MRG1-UP; SBG1-UP; TTG1-UP; MKH1-UP; LLK1-UP; SLM1-UP; T3P1-UP; T3R1-UP; RMS1-UP; LLT1-UP; NJT1-UP; E3W1-UP; T3W1-UP; E3X1-UP; F2X1-UP; E3Y1-UP)3516 (S/N: CMD1-UP; CAL1-UP; YAL1-UP; ZAL1-UP; GZR1-UP; YAS1-UP; YBS1-UP; RKT1-UP; 8TW1-UP; GZX1-UP; 25Z1-UP; 27Z1-UP; 29Z1-UP; 71Z1-UP; 72Z1-UP; 73Z1-UP)3516B (S/N: CPA1-UP; BMB1-UP; CDE1-UP; B5G1-UP; BPJ1-UP; BCK1-UP; LEK1-UP; CAN1-UP; CBN1-UP; FDN1-UP; 7RN1-UP; 8KN1-UP; 9AN1-UP; S2P1-UP; YAP1-UP; ZBP1-UP; GAR1-UP; PBR1-UP; S2R1-UP; YAR1-UP; ZAR1-UP; ZBR1-UP; GZS1-UP; S2S1-UP; GZT1-UP; S2T1-UP; YAT1-UP; S2W1-UP; YAW1-UP; YBW1-UP; 1NW1-UP; 2FW1-UP; 2JW1-UP; 3CW1-UP; 4BW1-UP; 8NW1-UP; FDX1-UP; S2X1-UP; GZY1-UP; S2Y1-UP; S2Z1-UP; 1HZ1-UP; 6HZ1-UP)3516C (S/N: PRC1-UP; TTD1-UP; PAG1-UP; TTH1-UP; SBJ1-UP; SCJ1-UP; SFJ1-UP; TTJ1-UP; SCK1-UP; SEK1-UP; SBM1-UP; JTS1-UP; TKS1-UP; TKT1-UP; SDX1-UP; T2X1-UP; TKY1-UP; E3Z1-UP)G3512 (S/N: 4KC1-UP)G3516 (S/N: 4EK1-UP)G3516B (S/N: CEY1-UP)Petroleum Engine3508C PETROLEUM (S/N: LLC1-UP; C8E1-UP; LLE1-UP; C8K1-UP)3512C PETROLEUM (S/N: LLB1-UP; LLF1-UP)3516C PETROLEUM (S/N: PES1-UP)Power ModulePM3508 (S/N: BLM1-UP)PM3512 (S/N: TC81-UP; BRF1-UP; BNR1-UP)PM3516 (S/N: CAC1-UP; BPD1-UP; NAM1-UP; KEN1-UP; NBR1-UP)PP3516 (S/N: PPS1-UP)Engine News, SEBD9814, 27, September 2012, "New Clamping on the Inlet Tube for the Cannister-Type Oil Filters on Certain 3500 Engines". The original article was revised to add an effective build date.Description Of Change: The new clamping provides more stability for the double-upset joint at the inlet of the engine oil filters. The reduction in motion reduces the possibility of leaks at the joint for the inlet tube.Adaptable To: The new clamping is adaptable to the above engines back to first production.The new clamping is effective with engines built beginning 2 October 2012.The new parts and the original parts are listed in Table 1.The new parts are also identified in Illustration 1.
Table 1
Qty New Part Original Part Qty
2 0S-1571 Bolt 0S-1594 Bolt 2
1 361-7097 Ring 8N-1991 Retaining Ring 1
1 361-7098 Flange 8N-1992 Retainer 2
2 5M-2894 Hard Washer 2
Illustration 1 g03177802
(1) 0S-1571 Bolt
(2) 5M-2894 Hard Washer
(3) 361-7098 Flange
(4) 361-7097 Ring