SECTION 4, Page 5
SJ-600 Series Engine Powered
112715
June 2001
HIGH THROTTLE
INOPERATIVE
(Machines Without
Base Control Box
Option)
ELECTRICAL SYSTEM
TROUBLESHOOTING INFORMATION
GLOW PLUGS
INOPERATIVE FROM
PLATFORM OR ENGINE
CONTROLS
(Diesel)
GLOW PLUGS
INOPERATIVE FROM
PLATFORM (Diesel)
1. Loose or broken wire #31A from glow
plug switch (S31) to glow plug relay
(31ACR).
2. Loose or broken wire #02 from glow
plug relay (31ACR) to base terminal
block (TB1).
3. Loose or broken wire #91 from base
terminal block (TB1) to relay (31ACR).
4. Loose or broken wire #91A from relay
(31ACR) to engine glow plugs
(EGP1).
5. Defective glow plug relay (31ACR).
1. Loose or broken wire #10 from key
selector switch (S3) to glow plug
switch (S13).
2. Defective glow plug switch (S13).
3. Loose or broken wire #31 from glow
plug switch (S13) to glow plug relay
(31CR).
4. Loose or broken wire #02 from relay
(31CR) to base terminal block (TB1).
5. Loose or broken wire #05 from base
terminal block (TB1) to relay (31CR).
6. Loose or broken wire #31A from relay
(31CR) to base terminal block (TB1).
7. Loose or broken wire #31A from base
terminal block (TB1) to glow plug
relay (31ACR).
8. Defective relay (31CR).
9. Loose or broken wire #02 from relay
(31ACR) to base terminal block (TB1).
10. Loose or broken wire #91 from base
terminal block (TB1) to relay (31ACR).
11. Loose or broken wire #31A from relay
(31ACR) to engine glow plugs
(EGP1).
12. Defective glow plug relay (31ACR).
13. Defective glow plugs.
1. Loose or broken wire #10 from key
select switch (S3) to low/high throttle
switch (S14).
2. Defective high/low throttle switch
(S14).
3. Loose or broken wire #34 from low/
high throttle switch (S14) to relay
(34CR).
4. Defective relay (34CR).
5. Loose or broken wire #42 from relay
(34CR) to relay (10BCR2).
6. Defective relay (10BCR2).
1. Check continuity. Replace if
defective.
2. Check continuity. Replace if
defective.
3. Check continuity. Replace if
defective.
4. Check continuity. Replace if
defective.
5. Check relay. Replace if defective.
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. Check continuity. Replace if
defective.
7. Check continuity. Replace if
defective.
8. Check relay. Replace if defective.
9. Check continuity. Replace if
defective.
10. Check continuity. Replace if
defective.
11. Check continuity. Replace if
defective.
12. Check relay. Replace if defective.
13. Check glow plugs. Replace if
defective.
1. Check continuity. Replace if
defective.
2. Check switch. Replace if defective.
3. Check continuity. Replace if
defective.
4. Check relay. Replace if defective.
5. Check continuity. Replace if
defective.
6. Check relay. Replace if defective.
TROUBLE
PROBABLE CAUSE
REMEDY
Summary of Contents for SJ-7027
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