( 176°F )
The main function of fluid level is checking the amount of liquid for ensuring the system works normally. Please choose the circulating oil that base on petroleum. Acid and alkali liquid of Chemical industry is not allowed.
According to the exterior, there are four series, LG, LS, LA, and LH series. Fluid level LG series should be locked from inside of oil box with screws only. Other series could be locked from inside or outside of the oil box with screws.