LINES GP-WATER 2284224 - Caterpillar

(S/N: TNA1-5387; JLE1-6012; T2R1-5744)Marine EngineC12.9MARENG (S/N: PC71-427; TPJ1-486)C32 MARINE (S/N: RPM1-885; SDN1-1866)C8.7 (S/N: CS71-465)Description Of Change: New rotary switch is now used for MECP1 panel on certain engines that are listed above. The new rotary switch is able to withstand the engine vibrations and maintain proper connection of the keyswitch circuit.Adaptable To: The new rotary switch is adaptable to the engines within the listed serial numbers, and is effective with all engines after the listed serial numbers.The new and former part numbers are listed in Table 1.
Table 1
Qty New Part Number Description Former Part Number(1)
1 541-2060 Position Switch(Rotary) 313-8923
(1) The former part number listed is for reference only and may differ.The wire locations for the new rotary switch and the former drop-in switch are given in Table 2.
Table 2
Wire Location
Former Drop-in Switch New Rotary Switch
313-8923 541-2060
Contact Block "A" Deck 1
1 L920-C3 1 L920-C2
L920-C3
2 101-C4 2 101-C4
3 L920-C3
L920-C11 3 L920-C6
L920-C11
4 J906-C16 4 J906-C16
Contact Block "B" Deck 2
1 391-C13 5 391-C13
2 303-C23 6 303-C23
3 391-C13
391-C18 7 391-C13
391-C18
4 391-C15 8 391-C15
Contact Block "C" Deck 3
1 L920-C11 9 L920-C11
2 J906-C19 10 J906-C19
3 T789-C20 11 T789-C20
4 T789-C17 12 T789-C17
Illustration 1 g06284117
Wire location of former drop-in switch.
(A) Top: T789-C20, Bottom: L920-C11
(B) Top: 391-C13, Bottom: 391-C13
(C) Top: L920-C3, Bottom: L920-C3
(D) Top: T789-C17, Bottom: J906-C19
(E) Top: 391-C15, Bottom: 303-C23
(F) Top: J906-C16, Bottom: 101-C4Illustration 1represents the wire location of former drop-in switch.
Illustration 2 g06284114
New rotary switch wire locations - Top side
(1) L920-C2/L920-C3
(3) L920-C6/L920-11
(5) 391-C13
(7) 391-C16/391-C18
(9) L920-C11
(11) T789-20Illustration 2 represents the wire location of new rotary switch - Top side.
Illustration 3 g06284162
New rotary switch wire locations - Bottom side
(2) 101-C4
(4) J906-C16
(6) 303-C23
(8) 391-C15
(10) J906-C19
(12) T789-C17Illustration 3 represents the wire location of new rotary switch - Bottom side.