7E6248 Jacket Water Heater Group
Usage:
ENGINE
3412C (5FL, 38D16484-UP, 8AR, 81Z14501-UP, BAK, BAX, PTL),
3412E (4CR, BDT),
3508 (1ZF, 23Z, 3LS, 3PS, 3TS, 5XM, 68Z, 70Z, 95Y, CAW, CNF, PTK),
3508B (1TW, 2HW, 3DM, 3DW, 4GM, 6PN, 7SM, BGX, CBB, CNB, PTJ, PTN),
3512 (1LM, 24Z, 3MS, 3RS, 3WS, 3YF, 49Y, 65Z, 67Z, 6PM, CMJ, FDR, PTG, PTH),
3512B (1PW, 2EZ, 2GW, 2RD, 3ZW, 4AW, 4TN, 5AW, 6WN, 8EM, 8RM, BLF, BRK, BRN, CMC, PTF, PTM),
3516 (25Z, 27Z, 3NS, 3SS, 3XS, 4XF, 5MJ, 5SJ, 71Z, 73Z, 7KM, CAL, CMD, PTD),
3516B (1NW, 2FW, 2JW, 2TD, 3CW, 4BW, 6HN, 7RN, 8KN, 9AN, BMB, BPJ, CPA, FDN, PTC),
G3412 (7DB),
G3412C (6ZM),
G3508 (2JF, 4WD, 9TG, CPJ, CPS, CPY),
G3512 (4KC, 5JD, 7NJ, CRN, CSP),
G3516 (3RC, 4EK, 8LD, CPG, CSZ),
G3516B (CSC),
G3524 (7SZ),
G3532 (8BZ) ENGINE;
PM3412 (CAJ),
PM3508 (BLM, BPY),
PM3512 (BNR, BRF),
PM3516 (BPD, CAC) POWER MODULE
POWER MODULE
3412 (2WJ, 38S1-16483, 7HG, 81Z1-14500),3412C (5FL, 38D16484-UP, 8AR, 81Z14501-UP, BAK, BAX, PTL),
3412E (4CR, BDT),
3508 (1ZF, 23Z, 3LS, 3PS, 3TS, 5XM, 68Z, 70Z, 95Y, CAW, CNF, PTK),
3508B (1TW, 2HW, 3DM, 3DW, 4GM, 6PN, 7SM, BGX, CBB, CNB, PTJ, PTN),
3512 (1LM, 24Z, 3MS, 3RS, 3WS, 3YF, 49Y, 65Z, 67Z, 6PM, CMJ, FDR, PTG, PTH),
3512B (1PW, 2EZ, 2GW, 2RD, 3ZW, 4AW, 4TN, 5AW, 6WN, 8EM, 8RM, BLF, BRK, BRN, CMC, PTF, PTM),
3516 (25Z, 27Z, 3NS, 3SS, 3XS, 4XF, 5MJ, 5SJ, 71Z, 73Z, 7KM, CAL, CMD, PTD),
3516B (1NW, 2FW, 2JW, 2TD, 3CW, 4BW, 6HN, 7RN, 8KN, 9AN, BMB, BPJ, CPA, FDN, PTC),
G3412 (7DB),
G3412C (6ZM),
G3508 (2JF, 4WD, 9TG, CPJ, CPS, CPY),
G3512 (4KC, 5JD, 7NJ, CRN, CSP),
G3516 (3RC, 4EK, 8LD, CPG, CSZ),
G3516B (CSC),
G3524 (7SZ),
G3532 (8BZ) ENGINE;
PM3412 (CAJ),
PM3508 (BLM, BPY),
PM3512 (BNR, BRF),
PM3516 (BPD, CAC) POWER MODULE
Problem:
To increase service life, any 7E6248 Jacket Water Heater (Group) that is utilized in 240 DCV installations/applications should be rewired. This issue does not impact thermostat life if the thermostat is utilized in a 480 DCV application.
Solution:
Caterpillar recommends changing the 7E6248 Jacket Water Heater (Group) wiring in accordance with Illustration 1. While changing the wiring, inspect the 127-6260 Thermostat Assembly. If degradation has occurred in the 127-6260 Thermostat Assembly, replace the 127-6260 Thermostat Assembly.
Illustration 1. Wiring Diagram
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