2009/08/03 Caterpillar


The Connector for the Chassis Harness and the Platform Harness Should Be Tightened to the Specified Torque on Certain Excavators {1408}

Usage:

329D L BFC
Excavator:
324D (S/N: EJC1-UP; T2D1-UP; SYM1-UP)
325D (S/N: PKE1-UP)
329D (S/N: BFC1-UP; TPM1-UP; SCY1-UP)
336D (S/N: JBF1-UP; KDJ1-UP; MYP1-UP; DTS1-UP; WET1-UP)
345C (S/N: SPC1-UP; TDG1-UP; GCL1-UP; LYS1-UP; PJW1-UP)
345D (S/N: RGD1-UP; YEE1-UP; RGG1-UP; EEH1-UP; RAJ1-UP; MLK1-UP)
365C (S/N: ELC1-UP; GWC1-UP; MEM1-UP; FEN1-UP; PAR1-UP; MCS1-UP; MCY1-UP)
385C (S/N: EDA1-UP; MMA1-UP; KGB1-UP; KBC1-UP; SBE1-UP; T2E1-UP; T2F1-UP; KKK1-UP; EAM1-UP; JCM1-UP; WAW1-UP; MNZ1-UP)
UNDERCARRIAGE (S/N: DSL1-UP)
Mobile Hydraulic Power Unit:
325D MHPU (S/N: SRC1-UP; C3N1-UP)
345D MHPU (S/N: P5D1-UP)
385C MHPU (S/N: MSF1-UP)
OEM:
365C L OEM (S/N: GSZ1-UP)

The proper torque of the connector for the chassis harness and the platform harness will increase the circuit continuity by preventing rust and corrosion of the pins and sockets. Use the correct tool and tighten the connector screw to 6.90 ± 0.35 N·m (61 ± 3.10 lb in). The connector may not be properly tightened on some machines and the circuit continuity may be lost. If any system malfunction occurs on the machine, check the connector and tighten the screw to the specified torque. The effectivity and the adaptability of the machines with the connector screw properly tightened are listed in Table 1.

Table 1
Effectivity and Adaptability of Excavators with Connector Properly Tightened    
Model     Effectivity     Adaptability    
324D L     S/N:SYM800-UP     S/N:SYM1-799    
S/N:T2D684-UP S/N:T2D1-683    
324D LN     S/N:EJC908-UP     S/N:EJC224-907    
325D     S/N:PKE1204-UP     S/N:PKE196-1203    
325D MHPU     S/N:C3N567-UP     S/N:C3N1-566    
S/N:SRC110-UP S/N:SRC1-109    
329D L     S/N:BFC164-UP     S/N:BFC1-163    
S/N:TPM247-UP S/N:TPM1-246    
329D LN     S/N:SCY253-UP     S/N:SCY1-252    
336D L     S/N:DTS200-UP     S/N:DTS1-199    
S/N:JBF170-UP S/N:JBF1-169    
S/N:KDJ361-UP S/N:KDJ1-360    
S/N:WET337-UP S/N:WET1-336    
336D LN     S/N:MYP149-UP     S/N:MYP1-148    
345C     S/N:PJW2443-UP     S/N:PJW414-2442    
S/N:SPC284-UP S/N:SPC1-283    
S/N:TDG413-UP S/N:TDG253-412    
345C L     S/N:GCL280-UP     S/N:GCL1-279    
S/N:LYS191-UP S/N:LYS1-190    
345D L     S/N:EEH634-UP     S/N:EEH1-633    
S/N:MLK178-UP S/N:MLK1-177    
S/N:RAJ338-UP S/N:RAJ1-337    
S/N:RGD148-UP S/N:RGD1-147    
S/N:RGG230-UP S/N:RGG1-229    
S/N:YEE498-UP S/N:YEE1-497    
345D MHPU     S/N:P5D159-UP     S/N:P5D1-158    
365C L     S/N:ELC536-UP     S/N:ELC167-535    
S/N:FEN154-UP S/N:FEN120-153    
S/N:MCS530-UP S/N:MCS225-529    
S/N:MCY512-UP S/N:MCY190-511    
S/N:MEM275-UP S/N:MEM199-274    
365C L FS     S/N:PAR273-UP     S/N:PAR251-272    
365C L MH     S/N:GWC229-UP     S/N:GWC1-228    
365C L OEM     S/N:GSZ317-UP     S/N:GSZ1-316    
385C     S/N:JCM186-UP     S/N:JCM1-185    
S/N:KBC241-UP S/N:KBC205-240    
S/N:KKK210-UP S/N:KKK124-209    
S/N:MNZ167-UP S/N:MNZ129-166    
385C FS     S/N:EAM297-UP     S/N:EAM265-296    
S/N:MMA276-UP S/N:MMA1-275    
S/N:T2F189-UP S/N:T2F185-188    
385C L     S/N:EDA538-UP     S/N:EDA219-537    
S/N:KGB468-UP S/N:KGB277-467    
S/N:SBE460-UP S/N:SBE178-459    
S/N:T2E342-UP S/N:T2E1-341    
385C L MH     S/N:WAW227-UP     S/N:WAW212-226    
385C MHPU     S/N:MSF115-UP     S/N:MSF102-114    



Illustration 1g01957448

Location of plug and receptacle

(1) 153-2620 Connector Plug As

(2) 163-6637 Connector Receptacle As




Illustration 2g01957450

(3) Connection of chassis harness and platform harness




Illustration 3g01957451

(4) Platform harness

(5) Chassis harness




Illustration 4g01957453

Tightening torque for 153-2620 Connector Plug As

(6) Tighten to 6.90 ± 0.35 N·m (61 ± 3.1 lb in).

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