48
- FORM NO. 56043129 - SR 1900
HOPPER SYSTEM
TROUBLESHOOTING GUIDE
Troubleshooting Guide
Symptom
Hopper dump door will not operate open or close
Part B: Hydraulic Load Circuit
Note: To test the engine must be running at high speed and the hopper door (open/close)
switches pressed and held.
Dump door will not
operate open or close
Replace the
hydraulic
hopper door
cylinder
Inspect for possible
mechanical binding at:
•Dump door & hopper
frame opening
•Dump door cylinder &
linkage
Repair or replace
damaged parts. Does
the door function ?
* Remove &
disassemble the:
•L1 dump door open
or
•L7 dump door close
Cartridge valve
•Inspect, clean and
reinstall
Does the door
function?
Replace the
defective
•L1 door open
or
• L7 door close
cartridge valve.
Does the door
function ?
Yes
No
*Note: The engine must be shut off to remove and disassemble any valve
cartridge.
No
No
No
Содержание 56507009
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Страница 77: ...FORM NO 56043129 SR 1900 77 ELECTRICAL SYSTEM ENGINE HARNESS FOR GM 1 6L LPG Tier 3...