Komatsu PC118MR-8 Operation And Maintenance Manual page 227

FUNCTIONING
q Blade
Lifting (a)  Lowering (b)
q Select the corresponding working mode for each
accessory.
q Accessories activation
17. Check that the hydraulic fluid temperature warning light (6)
shows the correct temperature.
If the hydraulic fluid temperature warning light displays a
temperature that is too low, repeat points 5 to 9 until the
correct temperature is displayed.
(A) Correct temperature: blue bottom of warning light (C)
(B) Low temperature: white bottom of warning light (C)
If the hydraulic oil temperature warning light displays the correct temperature, the engine warming operation is
finished.
After checking the status of the hydraulic fluid temperature warning light, perform the following procedure.
USE OF THE MACHINE AND RELATED CONTROLS
WEAM014802
3-143