33. HANDLING AUTO-GREASING SYSTEM 33.3 TROUBLESHOOTING If any abnormality occurs in the greasing system, the error codes will flash alternately to display the type of abnormality. 33.4 SPECIFICATIONS Electric pump Model: LD10F Delivery pressure: 24.03 MPa (245 kgf/cm 2 , 3479 PSI) (MAX) Tank specification: 1000 cc cartridge type Available temperature range: –20 to 60°C Applicable grease: NLGI No. 2 to No. 0 lithium-based grease Rated voltage: DC24V Rated current: 3A (Note: 6.5A when temperature is –20°C) Divider valve Model: LL1 Discharge amount adjustment method: Fixed type Available pressure: 24.03 MPa (245 kgf/cm 2 , 3479 PSI) (MAX) Discharge amount: 0.6 – 0.1 cc/st No.
of valves (discharge ports): 1 – 5 Available temperature range: –20 to 60°C Applicable grease: NLGI No. 2 to No.
0 lithium-based grease 5-41 Error code Item Cause Remedy E © a Defective pressurizing of pump Air in main piping Air inside pump Grease tank is empty Grease leaking from main piping Run pump as necessary and release grease from end of piping to bleed air Release grease from air bleed in pump to bleed air Add grease Check, tighten connections of main piping (including hoses) E © b Abnormality in release of pressure Abnormality in pressure- releasing structure built into pump Abnormality in pressure- detection equipment built into pump Disassemble pressure-releasing portion carefully, then check and clean Check limit switch at pressure- detection portion E © c Abnormality in pressure detection Abnormality in pressure- releasing structure built into pump Abnormality in pressure- detection equipment built into pump Check limit switch Check limit switch at pressure- detection portion E © 0 Empty tank Greasing frequency limit has been reached Grease added during frequency count Add grease Confirm that 0 flashes three times on 7-segment LED by pressing reset button on con- troller for more than 5 seconds.