GE SX TRANSISTOR CONTROL IC3645SR4U404N2 Benutzerhandbuch

SX TRANSISTOR CONTROL 

 

 

Page 18

 

 

 

January 2000

 

Section 4.3  Recommended Lubrication of Pins and 
Sockets Prior to Installation 
 
Beginning in January of 1999, GE will implement the 

addition of a lubricant to all connections using pins and 

sockets on EV100/EV200 and Gen II products. Any 

connection made by GE to the A, B, X, Y, or Z plugs will 

have the lubricant NYE 760G added to prevent fretting of 

these connections during vehicle operation. 

 

 

Fretting occurs during microscopic movement at 

the contact points of the connection. This movement 

exposes the base metal of the connector pin which, when 

oxygen is present, allows oxidation to occur. Sufficient 

build up of the oxidation can cause intermittent contact 

and intermittent vehicle operation. This can occur at any 

similar type of connection, whether at the control or in any 

associated vehicle wiring, and the resultant intermittent 

contact can provide the same fault indication as actual 

component failure. 

 

 

The addition of the NYE 760G lubricant will prevent 

the oxidation process by eliminating the access of oxygen 

to the contact point.   GE recommends the addition of this 

lubricant  to the 12 pin and 23 pin plugs of all  new Gen II 

controls at the time of their installation into a vehicle 

 

 

When servicing existing vehicles exhibiting 

symptoms of intermittent mis-operation or shutdown by the 

GE control, GE recommends the addition of this lubricant to 

all 12 and 23 pin plugs, after proper cleaning of the 

connectors, as a preventative measure to insure fretting is 

not an issue before GE control replacement.   Also, for long 

term reliable control operation, the plug terminals must be 

maintained per these instructions with the recommended 

contact cleaner and lubricant which provides a high 

degree of environmental and fretting protection. 

 

New and re-manufactured control plugs are cleaned and 

lubricated prior to shipment from the factory.  However, in 

applications where severe vibration or high temperature 

cycling and excessive humidity ( such as freezers ) are 

present, it is recommended that the plug terminals be 

cleaned and lubricated every year, per this instructions. In 

normal applications, plug maintenance should be 

performed every two years, unless intermittent problems 

arise with the plugs, requiring more immediate attention. 
Warning: Do not use any other cleaners or lubricants 
other than the ones specified. 
 

 
1.  Disconnect plug from controller or mating plug. 

2.  Locate the plug that contains the socket (female) 

terminals. Maintenance needs only to be performed on 

terminals.  

3.  Clean each terminal using Chemtronics  contact 

cleaner “Pow-R-WasH CZ “ as shown in Figure 1. 

 
 
 
 
 

 
 
 
 
 

Figure 1 

 

4.   Lubricate each terminal using Nye  760G lubricant as 

shown in figure 2. Apply enough lubricant to each 

terminal opening to completely fill each opening to a 

depth of .125” minimum. 

  
 
 
 
 
 
 
 
 
 
 

Figure 2 

 

5.   Reconnect plugs. 
 
Reference 
Cleaner 

Chemtronics  Pow-R-WasH CZ Contact 

Cleaner 

Lubricant 

Nye  Lubricants NYOGEL  760G 

GE Plug Lub Kit  Contains both above products: 
 

Po

w

-R

-

W

as

H

CZ

cont

act 

clea

ner

ciro

zane

 

Ny

e

Ny

e

Ny

e

Ny

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