Komatsu — MEASURING EXHAUST COLOR

TESTING AND ADJUSTING MEASURING EXHAUST COLOR MEASURING EXHAUST COLOR When measuring in the field when there is no air or power supply, use handy smoker checker H1 ; when recording official data, use smoke meter H2 . fl Raise the coolant temperature to the operating range before measuring. ¤ When removing or installing the measuring equipment, be careful not to touch any high temperature part. 1. Measuring with handy smoke checker H1 1) Fit filter paper in tool H1 . 2) Insert the exhaust gas intake port into the exhaust pipe, accelerate the engine suddenly, and at the same time operate the handle of tool H1 to catch the exhaust gas on the filter paper.

3) Remove the filter paper and compare it with the scale provided to judge the condition. 2. Measuring with smoke meter H2 1) Insert the probe of tool H2 into the outlet port of exhaust pipe(1), then tighten the clip to secure it to the exhaust pipe. 2) Connect the probe hose, accelerator switch plug, and air hose to tool H2 . fl The pressure of the air supply should be less than 1.47 MPa {15 kg/cm 2 }. 3) Connect the power cord to the AC power source socket. fl When connecting the port, check first that the power switch of tool H2 is OFF. 4) Loosen the cap nut of the suction pump, then fit the filter paper. fl Fit the filter paper securely so that the exhaust gas does not leak.

5) Turn the power switch of tool H2 ON. 6) Accelerate the engine suddenly, and at the same time, depress the accelerator pedal of tool H2 and catch the exhaust gas color on the filter paper. 7) Lay the filter paper used to catch the ex- haust gas color on top of unused filter pa- pers (10 sheets or more) inside the filter pa- per holder, and read the indicated value. H2 BKP00215 20-104 PC400, 450-6