Service Repair Manual
Models
D20D and D250D
ARTICULATED TRUCK
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Product: ARTICULATED TRUCK
Model: D20D ARTICULATED TRUCK 9MG
Configuration: D20D & D250D ARTICULATED TRUCK 9MG00001-UP (MACHINE) POWERED BY 3116 ENGINE
Disassembly and Assembly
3114, 3116 and 3126 MUI Engine Governors
Media Number -SENR6454-05
Publication Date -01/02/2002
Date Updated -01/03/2002
i01514770
Governor (Type II) - Disassemble
SMCS - 1264-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number
Part Description
Qty
A
1U-7307
Governor Repair Fixture (1)
1
B
1P-1855
Retaining Ring Pliers
1
C
1P-1857
Retaining Ring Pliers
1
D
1U-7606
Servo Block (1)
1
E
1U-7277
Pin Punch
1
F
1U-7635
Clevis Driver (1)
1
( 1 ) Part of former 1U-9088 Governor Tool Group
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
NOTICE
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Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
Note: Inspect all parts of the governor upon disassembly. 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
informat