50
- FORM NO. 56043110 - Exterra
™
HOPPER SYSTEM
TROUBLESHOOTING GUIDE
Troubleshooting Guide
Symptom
Hopper dump door will not close
Part A: Electrical Control Circuit
Note: Do all testing with the engine running at high speed and the hopper dump door close
switch pressed and held.
Hopper dump door will not
close
1.
Press & hold hopper
dump door close
switch
2.
Back probe the S7
dump door solenoid
coil wires (+Vio &
Blk/Wht) should read
12V’s
Check S7 coil wiring
continuity, repair if faulty
Is there 12V’s at the S7 coil?
Check S7 coil resistance
Spec. 9 Ohms
See hydraulic hopper raise
troubleshooting section B
Replace the S7
solenoid coil. Does
the dump door
close?
Press & hold hopper door open
SW. Check for continuity @ the
(*) ribbon connector for pins J3-1
& J3-7 on the A2 control box.
Replace the A2
control box assy.
Ribbon pins test
open replace the
touch pad switch
panel
* Ribbon connector see Electrical System Figure 1 for detail pin call-outs.
Yes
Yes
No
Yes
No
No
Yes
No
No
Содержание Exterra 56507000
Страница 5: ...FORM NO 56043110 Exterra 5 3 CYLINDER MODELS 4 CYLINDER MODELS...
Страница 61: ...FORM NO 56043110 Exterra 61 E D B B A A C F G FIGURE 5 FIGURE 6 ENGINE SYSTEM...
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Страница 83: ...FORM NO 56043110 Exterra 83 ENGINE HARNESS FOR GM 1 6L GAS Petrol Tier 3 ELECTRICAL SYSTEM...
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