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Slow Hydraulic System
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Pilot pressure low.
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See your authorized dealer.
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Cold hydraulic oil.
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Heat hydraulic oil. (See "Warming Machine" in Operating the Engine chapter.)
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Engine high idle speed too low.
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See your authorized dealer.
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Improper engine operation.
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See your authorized dealer.
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Hydraulic system misadjusted.
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See your authorized dealer.
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Main hydraulic pump.
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See your authorized dealer.
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Hydraulic Oil Overheats
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Clogged oil cooler/bent fins.
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Clean oil cooler/straighten fins.
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Circuit relief valves set too high.
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See your authorized dealer.
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Pump POR pressure set too high.
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See your authorized dealer.
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System relief valves set too low.
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See your authorized dealer.
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Attachment hydraulics misadjusted.
|
See your authorized dealer.
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Control valve spool stuck out of neutral position.
|
See your authorized dealer.
|
|
No Hydraulic Functions
|
Pilot circuit malfunction.
|
See your authorized dealer.
|
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|
Pump drive.
|
See your authorized dealer.
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One Function Slow
|
Pilot controller circuit malfunction.
|
See your authorized dealer.
|
|
|
Stroke limiter misadjusted.
|
Adjust stroke limiter. See your authorized dealer.
|
|
|
Replacement hydraulic hose size incorrect.
|
Install correct size hose.
|
|
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Circuit relief valve set too low.
|
See your authorized dealer.
|
|
|
Internal control valve section malfunction.
|
See your authorized dealer.
|
| Symptom |
Problem |
Solution |
|
Propel Speed Too Slow (Both Tracks)
|
Two speed solenoid stuck in low.
|
See your authorized dealer.
|
|
|
Low pump flow.
|
See your authorized dealer.
|
|
Propel Speed Too Slow (One Track)
|
Propel spool stroke limiter misadjusted.
|
See your authorized dealer.
|
|
|
Rotary manifold seals leak.
|
See your authorized dealer.
|
|
|
Debris under pilot foot controller.
|
Remove debris.
|
|
|
Propel brake partially on.
|
See your authorized dealer.
|
|
|
Propel motor.
|
See your authorized dealer.
|
|
|
Track tension too tight.
|
See your authorized dealer.
|
|
"Jerky" Hydraulics
|
Air in pilot control system.
|
See your authorized dealer.
|
|
|
Hydraulic pump misadjusted.
|
See your authorized dealer.
|
|
|
Air in hydraulic cylinders.
|
See your authorized dealer.
|
|
|
Incorrect length load sense hose.
|
Obtain hose of proper length and size.
|