FUEL SYSTEM
TNV IDI Service Manual
7-7
Special Service Tools
SPECIAL SERVICE TOOLS
Note: Tools not having Yanmar part numbers must be acquired locally.
MEASURING INSTRUMENTS
No. Tool Name Application Illustration
1 Torque Wrench (Locally Available)
For tightening nuts and bolts to the specified
torque
0000840
No. Instrument Name Application Illustration
1 Fuel Injector Tester (Locally Available)
For observing injection spray pattern of fuel
injection nozzle and measuring injection
pressure
2 “Spill-Timing” Tool (Shop Fabricated)* Used to set fuel injection timing
* Make from a short piece of the end of a high-pressure fuel line, a high-pressure fuel line nut, and a short piece of
clear plastic tubing (a thin nozzle from an aerosol spray can works well). Drill out the end of the fuel line to accept
the nozzle. Use a small amount of silicone sealant to seal the nozzle into the fuel line.
-GAGE-
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