Skyjack SJKB-40-D Operating Maintenance Instructions & Part List page 61

TROUBLE
NO TURRET ROTATE
RIGHT FROM PLATFORM
OR BASE CONTROLS
NO TURRET ROTATE
RIGHT OR LEFT FROM
PLATFORM CONTROLS
NO TURRET ROTATE
LEFT FROM PLATFORM
CONTROLS
NO TURRET ROTATE
RIGHT FROM PLATFORM
CONTROLS
SECTION 4, Page 10
TROUBLESHOOTING (Cont.)
PROBABLE CAUSE
ELECTRICAL SYSTEM (Cont.)
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. Loose or broken wire #08 from
platform terminal block TB1 to
turret rotate switch S20.
2. Defective turret rotate switch S20.
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. 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.
JUN. 1999
REMEDY
1. Check Continuity. Replace if
defective.
2. Check Continuity. Replace if
defective.
3. Check Relay.
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.
defective.
1. Check Continuity. Replace if
defective.
2. Check Switch.
defective.
1. Check Switch.
defective.
2. Check Continuity. Replace if
defective.
3. Check Continuity. Replace if
defective.
1. Check Switch.
defective.
2. Check Continuity. Replace if
defective.
3. Check Continuity. Replace if
defective.
SJKB-40-D, SJKB-40-D/F
Replace if
Replace if
Replace if
Replace if
Replace if