MANIFOLD-EXHAUST 1108771 - Caterpillar

Table 1
Serial Number     Sales Model    
(S/N: AXR00345-UP)     950G Series II    
(S/N: AXX01480-UP)    
(S/N: AYD00239-UP)    
(S/N: AYS00542-UP)    
(S/N: BAA00902-UP)    
(S/N: AYL02362-UP)    
(S/N: AYB01076-UP)    
(S/N: AXS00382-UP)     962G Series II    
(S/N: AXY00425-UP)    
(S/N: BAC00301-UP)    
(S/N: BAD00428-UP)    
(S/N: AYE00696-UP)    
(S/N: BAB00760-UP)    
(S/N: ANT00319-UP)     966G Series II    
(S/N: ANZ01263-UP)    
(S/N: AWZ00203-UP)    
(S/N: AXL00611-UP)    
(S/N: AXJ02784-UP)    
(S/N: AWY01410-UP)    
(S/N: ANY00411-UP)     972G Series II    
(S/N: AWP00531-UP)    
(S/N: AXE00352-UP)    
(S/N: AXP00226-UP)    
(S/N: AXC01038-UP)    
(S/N: AXN00555-UP)    Refer to the following table for the part numbers of current accumulators and service replacements. The modification is adaptable to the models that are listed.
Table 2
Models     Description     Old part numbers     New part numbers    
950/962G II     Production     221-1756     271-6636    
950/962G II     Service     221-1757     271-6635    
966/972G II     Production     221-1758     271-6634    
966/972G II     Service     221-1759     271-6633    Performance of the Ride Control System on older models can be improved through the removal of the piston stop from the accumulator assembly.
Illustration 1 g01164257
Old accumulator with piston stop
Illustration 2 g01164258
New accumulator with no piston stopDuring reassembly of accumulator, replace all oil seals with new seals. Use 170-0494 Seal Kit for replacement of seals.