SECTION 4, Page 15SJ-600 Series Engine Powered 112715
June 2001
ELECTRICAL SYSTEM
TROUBLESHOOTING INFORMATION
TROUBLE PROBABLE CAUSE REMEDY
1. Turn switch to lift position.
2. Check continuity. Replace if
defective.
3. Check switch. Replace if defective.
4. Check continuity. Replace if
defective.
5. Check continuity. Replace if
defective.
6. Check relay. Replace if defective.
7. Check continuity. Replace if
defective.
8. Check continuity. Replace if
defective.
9. Check diode. Replace if defective.
10. Check continuity. Replace if
defective.
11. Check coil. Replace if defective.
12. Check continuity. Replace if
defective.
1. Key select switch (S3) in drive
position.
2. Loose or broken wire #09 from key
select switch (S3) to generator switch
(S12).
3. Defective hydraulic generator switch
(S12).
4. Loose or broken wire #85 from
generator switch (S12) to base
terminal block.
5. Loose or broken wire #85 from base
terminal block to relay (85CR).
6. Defective relay (85CR).
7. Loose or broken wire #02 from relay
(85CR) to base terminal block.
8. Loose or broken wire #87 from base
circuit breaker (CB4) to relay (85CR).
9. Diode (D85) open.
10. Loose or broken wire #86 from relay
(85CR) to generator valve coil (2H86).
11. Defective generator valve coil (2H86).
12. Loose or broken wire #02 from
generator valve coil (2H86) to base
terminal block.
HYDRAULIC
GENERATOR
INOPERATIVE
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