2011/12/09 Caterpillar


The Torsion Springs for the Engine Hood have been Improved on the 336E Excavator {7251}

Usage:

336E L BZY
Excavator:
336E (S/N: YEP1-UP; BZY1-UP)

Description of Change: The torsion springs for the engine hood have been improved. The new design reduces the amount of friction against the side plate by adding a roller and a rail. The improved torsion springs should provide a quieter operation when opening and closing the engine hood.

Adaptable To:




Illustration 1g02721336

Torsion springs




Illustration 2g02722929



Illustration 3g02722930

Detail J from Illustration 2

(1) 382-8630 Roller

(3) 385-2311 Support As

(4) 385-2314 Spring




Illustration 4g02722931

Detail L from Illustration 2

(1) 382-8630 Roller

(2) 385-2310 Support As

(3) 385-2326 Spring

Table 1
Improved Parts    
Qty     New Part     Part Name     Former Part    
2     382-8630     Roller        
1     385-2310     Support As     339-7329    
1     385-2311     Support As     339-7332    
1     385-2314     Spring     356-8929    
1     385-2326     Spring     356-8929    

Table 2
Effectivity and Adaptability of Improved Torsion Spring    
Model     Effectivity     Adaptability    
336E     S/N:YEP252-UP     S/N:YEP1-251    
S/N:BZY896-UP S/N:BZY1-895    

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