SPIDER AS 9R2994 - Caterpillar

Engine: 3508B (S/N: S2B1-UP) 3508C (S/N: TTB1-UP) 3512 (S/N: 65Z1-UP) 3512B (S/N: PTF1-UP; S2J1-UP; S2L1-UP; PTM1-UP; 1GZ1-UP) 3512C (S/N: TTC1-UP; TTF1-UP; SLM1-UP; E3W1-UP; E3Y1-UP) 3516B (S/N: S2P1-UP; S2R1-UP; S2S1-UP; S2X1-UP) 3516C (S/N: TTD1-UP; PAG1-UP; TTH1-UP; TTJ1-UP; JTS1-UP)Petroleum Engine: 3512C (S/N: LLB1-UP) 3516C (S/N: PES1-UP)Introduction
This Special Instruction provides a guide for ordering parts to install the new jacket water heater group for 3500 Engines. Additionally, each section contains two reference tables to assist in the proper installation of these new heaters.All Serial Numbers
All engines need two jacket water heater groups. Refer to Table 1 to select the heater with the correct voltage.Note: Caterpillar recommends using a 6Kw heater.
Table 1
Kw     Voltage     Part    
3Kw     120V     430-2750 Jacket Water Heater Gp    
6Kw     240V     430-2751 Jacket Water Heater Gp    
6Kw     480V     430-2752 Jacket Water Heater Gp    Parts Needed for Serial Number Prefixes S/N:TTH, ; S/N:TTD, ; S/N:S2X, ; S/N:S2S, ; S/N:S2R (Marine Only), ; S/N:S2P, and ; S/N:JTS
Table 2
Left-Hand Side Hardware    
Qty    Part    
1     7M-8485 O-Ring Seal    
1     9S-4181 O-Ring Plug    
1     9X-6772 Cable Strap    
1     148-8352 Elbow As    
1     177-1061 Elbow As