Service Repair Manual
Models
966D WHEEL LOADER
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Product: WHEEL LOADER
Model: 966D WHEEL LOADER 35S
Configuration: 966D WHEEL LOADER 35S02148-02522 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly
3304B and 3306B Engines for Caterpillar Built Machines
Media Number -SENR5598-09
Publication Date -01/01/2013
Date Updated -25/01/2013
i01048591
Fuel Injection Nozzles - Install
SMCS - 1254-012
Installation Procedure
Table 1
Required Tools
Tool Part Number
Part Description
Qty
A
6V-4979
Carbon Seal Installation Tool
1
B
8S-2245
Injector Cleaning Tool
1
C
6V-4089
Reamer
1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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Illustration 1
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1. Put carbon dam seal (1) on the small end of Tool (A). Expand carbon dam seal (1) by
sliding carbon dam seal (1) to the large end of Tool (A). Put Tool (A) against the fuel
injector nozzle. Slide carbon dam seal (1) from Tool (A) to the fuel injector nozzle. Slide
carbon dam seal (1) into position in the groove of the fuel injector nozzle, as shown. Use
Tool (A) in order to install carbon dam seal (1).
2. To clean the fuel injector nozzles, refer to Special Instruction, SEHS7292 for the use of
Tool (B) .
3. Install a new compression seal (2) on the fuel injector nozzle.
Illustration 2
g00448904
4. Use Tool (C) in order to clean the bore in the cylinder head for the fuel injector nozzle. Use
a wrench in order to turn Tool (C) .
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966D WHEEL LOADER 35S02148-02522 (MACHINE) POWERED BY 3306 ENGI...
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Illustration 3
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Illustration 4
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5. Align notch (3) in fuel injector nozzle (5) to the tab in clamp (4) during installation.
6. Install fuel injector noz