GROUP 3 ELECTRICAL COMPONENT SPECIFICATION 4-20 Part name Symbol Specifications Check Battery 12V 160Ah (2EA) Check specific gravity 1.280 over : Over charged 1.280 ~ 1.250 : Normal 1.250 below : Recharging Battery relay CR-1 Rated load 24V 100A(continuity) 1000A(30seconds) Check coil resistance(M4 to M4) Normal : About 50 Check contact Normal : Glow plug relay CR-24 24V 200A Check contact Normal : 0.942 (For terminal 1-GND) Start key 6 5 4 3 2 1 B Ι ,O 1 ΙΙ ΙOH 6 5 3 2 4 C ST ACC BR H CCSS--22 B-BR : 24V 1A B-ACC : 24V 10A B-ST : 24V 40A Check contact OFF : (For each terminal) ON : 0 (For terminal 1-3 and 1-2) START :
0 (For terminal 1-5) Pressure sensor (Travel, working, boom up, pump) A SUPPLY B SIG C RETURN CDC-D6- 3 2 C CDD-7- 4 4 CD-32 CD-42 CD-43 CD-44 CD-70 8~30V Check contact Normal : 0.1 Pressure switch (For overload) 2 Pa 1 CD-31 3~6kgf/cm2 (N.O TYPE) Check contact Normal