Adjustment - Komatsu 4D98 Series Shop Manual

3. Inspection and Adjustement
(2)
Radiator cap inspection
Install the radiator cap on the cap tester.
Set the tester pressure to 0.9ti.15 kgf/cm*
and see that the cap is opened.
If the cap does not open, replace the cap
since it is abnormal.
Radiator cap inspection
3.4 Fan Belt Tension Inspection and Adjustment
Push the center of the V belt between the alter-
nator and cooling water with a finger. The V belt
tension is normal if the deflection is 10 to 15
mm.
If not, adjust the V belt tension by the alter-
nator adjuster.
3-2