RELAY AS 1957979 - Caterpillar

Table 1
Required Parts
Qty New Part No. Part Name Previous Part No.
1 486-3207 Relief Valve Gp 270-5731
Illustration 1 g06005078
New 486-3207 Relief Valve Gp showing location of identifying mark "40A".
The new 486-3207 Relief Valve Gp replaces the former 270-5731 Relief Valve Gp. The new valve group check and relief does not have the new part number stamped on the valve body. The new valve can be identified by confirming an identifying mark of "40A" on the relief valve body as shown in Illustration 1. The new 486-3207 Relief Valve Gp is effective with and adaptable to the machine listed in Table 2. The 486-3207 Relief Valve Gp should be installed and tightened to 95 14 N m (70 10 lb ft).
Table 2
Improved Relief Valve Group
Sales Model Effective with: Adaptable to:
320E S/N:REE405-UP, ; S/N:SXE2193-UP, ; S/N:DFG234-UP, ; S/N:TNJ445-UP, ; S/N:LAK298-UP, ; S/N:WBK3913-UP, ; S/N:PNL559-UP, ; S/N:LHN660-UP, ; S/N:AWS255-UP, ; S/N:TFX1385-UP, ; S/N:NAZ2044-UP S/N:REE1-404, ; S/N:SXE1-2192, ; S/N:DFG1-233, ; S/N:TNJ1-444, ; S/N:LAK1-297, ; S/N:WBK1-3912, ; S/N:PNL1-558, ; S/N:LHN1-659, ; S/N:AWS1-254, ; S/N:TFX1-1384, ; S/N:NAZ1-2043
323E S/N:RAP992-UP, ; S/N:YRP217-UP, ; S/N:TDW355-UP S/N:RAP1-991, ; S/N:YRP1-216, ; S/N:TDW1-354
329E S/N:RLD753-UP, ; S/N:YCD801-UP, ; S/N:TST805-UP, ; S/N:PLW1626-UP S/N:RLD1-752, ; S/N:YCD1-800, ; S/N:TST1-804, ; S/N:PLW1-1625
329F S/N:ERL575-UP S/N:ERL1-574
330F S/N:WBA113-UP S/N:WBA1-112
335F S/N:KNE324-UP S/N:KNE1-323
336E S/N:YCE781-UP, ; S/N:FJH1743-UP, ; S/N:JRJ462-UP, ; S/N:YEP543-UP, ; S/N:BZY2544-UP, ; S/N:TMZ440-UP S/N:YCE1-780, ; S/N:FJH1-1742, ; S/N:JRJ1-461, ; S/N:YEP1-542, ; S/N:BZY1-2543, ; S/N:TMZ1-439
336F S/N:TZA240-UP, ; S/N:RKB1431-UP, ; S/N:KFT285-UP, ; S/N:WTZ203-UP S/N:TZA1-239, ; S/N:RKB1-1430, ; S/N:KFT1-284, ; S/N:WTZ1-202
349E S/N:ETC164-UP, ; S/N:TFG587-UP, ; S/N:MZW221-UP, ; S/N:KFX694-UP, ; S/N:MPZ603-UP S/N:ETC1-163, ; S/N:TFG1-586, ; S/N:MZW1-220, ; S/N:KFX1-693, ; S/N:MPZ1-602
349F S/N:HPD300-UP S/N:HPD1-299
352F S/N:YEG2-UP, ; S/N:KBP203-UP S/N:YEG1, ; S/N:KBP1-202