Skyjack SJKB-40-D - Page 61

SECTION 4, Page 10 SJKB-40-D, SJKB-40-D/FJUN. 1999
TROUBLESHOOTING (Cont.)
TROUBLE PROBABLE CAUSE REMEDY
ELECTRICAL SYSTEM (Cont.)
NO TURRET ROTATE
RIGHT FROM PLATFORM
OR BASE CONTROLS
1. Loose or broken wire #33 from
base terminal block TB3 to relay
33CR.
2. Loose or broken wire #02 from
relay 33CR to base terminal block
TB3.
3. Defective relay 33CR.
4. Loose or broken wire #09 from
base terminal block TB3 to relay
33CR.
5. Loose or broken wire 33A from
relay 33CR to turret rotate right
valve coil 4H-33A.
6. Defective turret rotate right valve
coil 4H-33A.
7. Loose or broken wire #02 from
turret rotate right valve 4H-33A to
base terminal block TB3.
8. Open diode D33.
1. Check Continuity. Replace if
defective.
2. Check Continuity. Replace if
defective.
3. Check Relay. Replace if
defective.
4. Check Continuity. Replace if
defective.
5. Check Continuity. Replace if
defective.
6. Check Continuity through coil.
Replace if defective.
7. Check Continuity. Replace if
defective.
8. Check Diode. Replace if
defective.
NO TURRET ROTATE
RIGHT OR LEFT FROM
PLATFORM CONTROLS
1. Loose or broken wire #08 from
platform terminal block TB1 to
turret rotate switch S20.
2. Defective turret rotate switch S20.
1. Check Continuity. Replace if
defective.
2. Check Switch. Replace if
defective.
NO TURRET ROTATE
LEFT FROM PLATFORM
CONTROLS
1. Defective turret rotate switch S20.
2. Loose or broken wire #32 from
turret rotate switch S20 to platform
terminal block TB2.
3. Loose or broken wire #32 from
platform terminal block TB2 to
base terminal block TB3.
1. Check Switch. Replace if
defective.
2. Check Continuity. Replace if
defective.
3. Check Continuity. Replace if
defective.
NO TURRET ROTATE
RIGHT FROM PLATFORM
CONTROLS
1. Defective turret rotate switch S20.
2. Loose or broken wire #33 from
turret rotate switch S20 to platform
terminal block TB2.
3. Loose or broken wire #33 from
platform terminal block TB2 to
base terminal block TB3.
1. Check Switch. Replace if
defective.
2. Check Continuity. Replace if
defective.
3. Check Continuity. Replace if
defective.