SEAL AS 8C9126 - Caterpillar

Assembly Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1U-7307     Governor Repair Fixture (1)     1    
B     1U-7635     Clevis Driver (1)     1    
C     1U-7606     Servo Block (1)     1    
D     1U-7277     Pin Punch     1    
E     1P-1857     Retaining Ring Pliers     1    
F     1P-1855     Retaining Ring Pliers     1    
G     1U-7309     Shim Adjustment Tool (1)     1    
H     1U-7313     Gauge Block (1)     1    
I     1U-7312     Calibration Plate (1)     1    
J     1U-7314     Weight (1)     1    
K     1U-7308     Shim Adjustment Tool (1)     1    
( 1 ) Part of the former 1U-9088 Tool Group
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Inspect all parts of the governor upon assembly. For information on the reusability of components in the governor, refer to the Guideline For Reusable Parts And Salvage Operations, SEBF8434, "3100 Governor Inspection and General Information for Mechanical Governor Groups Used in 3114, 3116, and 3126 Engines Equipped with Mechanical Unit Injectors (MUI)". For information on cleaning the components in the governor, refer to the The Cleaning Guide, SEBF8354, "Equipment And Chemical Recommendations Reference Manual".Note: Refer to Chart A "Parts to be Replaced During Rebuild" in Guideline For Reusable Parts And Salvage Operations, SEBF8434 for a list of components that need to be replaced during a governor rebuild. It is not necessary to replace the components in Chart A "Parts to be Replaced During Rebuild" if the governor is in the shop for a bench test or for minor repair.Note: Refer to Chart B "Parts Replacement Chart" in Guideline For Reusable Parts And Salvage Operations, SEBF8434 for a list of components that need to be replaced when the servo assembly is serviced.Note: Put clean engine oil on all parts before assembly. Ensure that all of the oil passages in the governor are clean and free of obstructions.
Illustration 1 g00606027
Note: Inspect all of the governor parts for wear or for damage. If any of the governor parts are worn or damaged, use new parts for replacement.Note: Spring (96) is compressed in order to achieve a 50 N (11 lb) preload.
Install spring (96), spring seat (95), and retaining ring (94) onto fuel ratio control valve (89) .
Illustration 2 g00606020
Install return spring (93) onto fuel ratio control valve (89). Install the piston and seal (92) onto fuel ratio control valve (89). Install spring seat (91) and spring (90) onto fuel ratio control valve (89) .
Mount the drive end of the governor on the 1U-7307 Governor Repair Fixture (Tool (A) ).
Illustration 3 g00606015
Put fuel ratio control valve (89) into position in the governor rear housing.
Illustration 4 g00606007
Install spring (88) and washer (87) into cover (84) .
Illustration 5 g00606004
Install diaphragm (85) and retainer (86) into cover