Skyjack SJKB-40-D - Page 75

SECTION 4, Page 24 SJKB-40-D, SJKB-40-D/FJUN. 1999
TROUBLESHOOTING (Cont.)
TROUBLE PROBABLE CAUSE REMEDY
ELECTRICAL SYSTEM (Cont.)
BRAKES APPLY TO
QUICK ON LEVEL SUR-
FACE (Cont.)
5. Loose or broken wire #28A from
relay 08CR3 to relay 28ACR.
6. Loose or broken wire #02 from relay
28ACR to base terminal block TB3.
7. Defective relay 28ACR.
8. Loose or broken wire #09 from base
terminal block TB3 to relay 28ACR.
9. Loose or broken wire #28B from
relay 28ACR to 5° brake valve coil
2H-28B.
10. Defective 5° brake valve coil 2H-
28B.
11. Loose or broken wire #02 from 5°
brake valve coil 2H-28B to base
terminal block TB3.
12. Brakes out of adjustment.
5. Check Continuity. Replace if
defective.
6. Check Continuity. Replace if
defective.
7. Check Relay. Replace if
defective.
8. Check Continuity. Replace if
defective.
9. Check Continuity. Replace if
defective.
10. Check Continuity through coil.
Replace if defective.
11. Check Continuity. Replace if
defective.
12. Refer to section 5, "brake
adjustment procedure".
ENGINE STAYS AT IDLE
(950 rpm) FROM PLAT-
FORM OR BASE CON-
TROLS
1. Loose or broken wire #78 from base
terminal block TB3 to barber/
colman controller BCB1.
2. Defective barber/colman controller
BCB1.
1. Check Continuity. Replace if
defective.
2. Refer to section 5, "barber/colman
troubleshooting".
ENGINE STAYS AT IDLE
(950 rpm) FROM PLAT-
FORM CONTROLS
1. Loose or broken wire #08 from
platform terminal block TB1 to
base terminal block TB3.
2. Open diode D08.
1. Check Continuity. Replace if
defective.
2. Check Diode. Replace if
defective.
ENGINE STAYS AT IDLE
(950 rpm) FROM BASE
CONTROLS
1. Open diode D10. 1. Check Diode. Replace if
defective.
NO HIGH RPMs FROM
PLATFORM
1. Loose or broken wire #08 from
platform terminal block TB1 to high
engine switch S10.
2. Defective high engine switch S10.
3. Loose or broken wire #79 from high
engine switch S10 to platform
terminal block TB2.
4. Loose or broken wire #79 from
platform terminal block TB2 to
base terminal block TB3.
5. Loose or broken wire #79 from base
terminal block TB3 to barber/
colman controller BCB1.
6. Defective barber/colman controller
BCB1.
1. Check Continuity. Replace if
defective.
2. Check Switch. Replace if
defective.
3. Check Continuity. Replace if
defective.
4. Check Continuity. Replace if
defective.
5. Check Continuity. Replace if
defective.
6. Refer to section 5, "barber/colman
troubleshooting".