BODY AS-PISTON 2780574 - Caterpillar

Assembly Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     FT-1820     Fixture Assembly     1    
B     1P-1855     Retaining Ring Pliers     1    
C     6V-9072     Guide     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Check the condition of the O-ring and the diaphragm. If the O-ring or the diaphragm is worn or damaged use new parts for replacement.
Illustration 1 g00460801
Install spring (1) and retainer (2) into housing (3) .
Illustration 2 g00460828
Install O-ring seal (6) and spring (5) into valve extension (7). Install stem (4) into valve extension (7). Secure valve extension (7) to retainer (8) with nut (9) .
Illustration 3 g00460830
Install stem (4) and retainer (8) into housing (3) .
Illustration 4 g00460912
Install diaphragm (12), washer (11) and spring (10) on retainer (8) .
Illustration 5 g00460914
Illustration 6 g00460917
Install cover (13) on housing (3). Secure cover (13) with two bolts and washers.
Install O-ring seal (15) onto cover (14) and install cover (14) onto cover (13). Secure cover (14) with two bolts.Note: Refer to Testing and Adjusting, "Fuel System" for additional information on the adjustment procedure for the fuel ratio control.End By: Install the fuel ratio control. Refer to Disassembly and Assembly, "Fuel Ratio Control - Install".