ELBOW AS 1488385 - Caterpillar

Marine Engine:
3196 MARINE (S/N: 2XR1-UP)
C-12 MARINE (S/N: K1M1-UP; 9HP1-UP)
C12 MARINE (S/N: NFL1-UP; C1Z1-UP)
Description of Change: The new 420-1983 Pump GP utilizes a shaft with improved resistance to fretting. The pump also has redesigned fasteners that connect to the new 419-9830 Plate As .Adaptable To: The new 420-1983 Pump GP replaces the previous 129-2883 Auxiliary Sea Water Pump Gp. The pump assembly is adaptable back to first production on the serial numbers listed above. When installing the 420-1983 Pump GP, the washers, plate, and bolts listed in Table 1 are required. Note: When installing the 419-9830 Plate As, finger tighten each bolt before torquing. Then, torque the two bolts that attach the plate to the block to 55 N m (40 lb ft). Next, torque the three bolts that attach the pump to the plate to 28 N m (21 lb ft).
Illustration 1 g03493137
(1) 198-4765 Hard Washer (2) 419-9830 Plate As (3) 420-1983 Pump GP (4) 6V-5218 Bolt
Table 1
Item     Qty     New Part Number     Part Name     Former Part Number    
1     3     198-4765     Hard Washer     3E-4352    
2     1     419-9830     Plate As     153-7059    
3     1     420-1983     Pump GP     129-2883    
4     3     6V-5218     Bolt     5P-7970    
5     2     6V-1820     Bolt     6V-4248    
Table 2
Effective Serial Numbers    
S/N: S/N:9HP02811-UP    
S/N: S/N:C1Z01871-UP    
S/N: S/N:K1M00186-UP    
S/N: S/N:NFL02322-UP    
S/N: S/N:2XR05103-UP