STUD-TAPERLOCK 9X2098 - Caterpillar

Generator Set:
3512 (S/N: ZAF1-UP)
3512B (S/N: ZAH1-UP; ZAJ1-UP)
3516B (S/N: ZAP1-UP)
3516C (S/N: SBK1-UP)
Engine:
3508 (S/N: ZAB1-UP; CNF1-UP; 5PW1-UP; 23Z1-UP)
3508B (S/N: S2A1-UP; S2B1-UP; S2D1-UP; ZAD1-UP; S2E1-UP; S2F1-UP; PTN1-UP; 6PN1-UP; C8R1-UP; 5PS1-UP; 2HW1-UP; 5KW1-UP; BPX1-UP; GS71-UP)
3508C (S/N: TTB1-UP; F1X1-UP)
3512 (S/N: YBA1-UP; PTH1-UP; CMJ1-UP; YAK1-UP; 6WW1-UP; YAX1-UP; 24Z1-UP; 67Z1-UP; JM21-UP)
3512B (S/N: YBB1-UP; BRC1-UP; CMC1-UP; YBC1-UP; BLF1-UP; LDF1-UP; PTF1-UP; 2AF1-UP; PWG1-UP; S2G1-UP; S2H1-UP; YAH1-UP; S2J1-UP; S2K1-UP; S2L1-UP; PTM1-UP; S2M1-UP; YAM1-UP; 8EM1-UP; 8RM1-UP; S2N1-UP; YAN1-UP; FFR1-UP; 3ZW1-UP; 5AW1-UP; 6GW1-UP; YAY1-UP; YAZ1-UP)
3512C (S/N: SCC1-UP; TTC1-UP; YBD1-UP; TTE1-UP; TTF1-UP; SBG1-UP; TTG1-UP; MKH1-UP; MLM1-UP; SLM1-UP; TKP1-UP; T3P1-UP; T3R1-UP; T3S1-UP; NJT1-UP; R1T1-UP; E3W1-UP; T3W1-UP; E3X1-UP; F2X1-UP; E3Y1-UP; T3Y1-UP; WF51-UP)
3516 (S/N: CMD1-UP; ZAL1-UP; ZBL1-UP; GZR1-UP; 8TW1-UP; 25Z1-UP)
3516B (S/N: BPJ1-UP; BCK1-UP; CAN1-UP; 7RN1-UP; DGP1-UP; S2P1-UP; YAP1-UP; ZBP1-UP; PBR1-UP; S2R1-UP; YAR1-UP; ZAR1-UP; ZBR1-UP; GZS1-UP; S2S1-UP; S2T1-UP; YAT1-UP; YBT1-UP; S2W1-UP; YAW1-UP; YBW1-UP; 2JW1-UP; S2X1-UP; S2Y1-UP; S2Z1-UP; 6HZ1-UP; GD31-UP)
3516C (S/N: TTD1-UP; PAG1-UP; TKG1-UP; TTH1-UP; SBJ1-UP; SFJ1-UP; TTJ1-UP; SEK1-UP; SBM1-UP; TKR1-UP; JTS1-UP; TKS1-UP; WFS1-UP; TKT1-UP; WFT1-UP; TKX1-UP; T2X1-UP; TKY1-UP; GS21-UP)
G3512E (S/N: SSR1-UP)
G3516B (S/N: ZBC1-UP; L6J1-UP)
G3516C (S/N: GSB1-UP; GZC1-UP; F6E1-UP; GZZ1-UP)
G3520C (S/N: GZA1-UP; GZL1-UP; GZM1-UP; GZN1-UP)
G3520E (S/N: GZG1-UP; GZH1-UP)
Petroleum Engine:
3512C (S/N: R1A1-UP; LLB1-UP; R1S1-UP)
Power Module:
PM3512 (S/N: BRF1-UP)
PM3516 (S/N: CAC1-UP; BPD1-UP; NAM1-UP; KEN1-UP; NBR1-UP)
PMG3516 (S/N: KAD1-UP)
PP3516 (S/N: PPS1-UP)
Engine News, SEBD9967, 14 November 2014, "New Accessory Drives Are Used on Certain 3500 and G3500 Engines". The article has been revised to update Illustration 1.Description of Change: The new accessory drives have a tighter shaft clearance, this tighter clearance prevents oil leakage.Adaptable To: The new accessory drive replaces the existing accessory drive. The new accessory drive is adaptable back to first production on the serial numbers listed above.Install the parts that are identified in Tables 1, 2, 3, and Illustration 1. The parts include thrust washers for the accessory drive in order to reduce the clearance of the shaft.Refer to the Disassembly and Assembly manual for the correct procedures.
Table 1
Parts Needed to Upgrade to the New Accessory Drive    
Item     Qty     New Part Number     Part Description    
1     1     362-8082     Accessory Drive Gear    
3     4     2B-2695     Bolt    
2     2     7N-7539     Thrust Washer    
4     4     9M-1974     Hard Washer    
6     1     364-6393     Adapter As    
Table 2
Parts to be Reused from the Original Accessory Drive    
Item     Qty     Parts     Part Description    
17     10     0L-1351     Bolt    
16     1     7C-4165     Adapter As    
11     2     8T-6757     Pipe Plug    
15     1     8T-6759     Pipe Plug    
Table 3
Parts that Need to be Replaced with New Parts of the Same Part Number    
Item     Qty     Part Number     Part Description    
14     1     259-4598     O-Ring Seal    
13     1     6V-3348     O-Ring Seal    
8     1     7N-8374     Pump Cover    
9     2