Troubleshooting - Craftsman 247.794510 Owner's Manual

Problem Corrective Action
Cylinderrodwill not move
Possible Cause
1. BrokenDriveshaft.
2. Shippingplugsleft in hydraulichoses.
Cylinder shaft speed slow while
extending and retracting
Engine runsbut woodwill not split,
or splitstoo slowly
Engine stalls during splitting wood 1.
2.
Engine will not turnor stalls under
low load
Leaking pump shaftseal
3. Set screws in couplingnotadjusted
pmpedy.
4. Looseshaft coupling.
_. Gear sectionsdamaged.
6. Damaged reliefvalve,
7. Hydrauliclines blocked.
8, Incorrectoillevel.
9, Damagedor blocked directional
valve.
1. Gear sections damaged,
2. Excessive pump inlet vacuum.
3. Slow engine speed.
4. Damaged reliefvalve.
5, Incorrect oillevel.
6. Contaminatedoil,
7. Directionalvalve leaking internally.
8. Internallydamaged cylinder,
1. Small gear section damaged.
2. Pump check valve leaking.
3. Excessive vacuum in pump inlet.
I 4. IncorrectoilFevel.
5. Contaminated oil.
6. Directionalvalve leakingintemally.
7. internally damaged cylinder.
8. Overloaded cylinder.
1.
2.
3,
4.
5.
1. Broken drive shaft.
2, Engine/pump misaligned.
3. Gear sections damaged.
4. Poorly positioned shaft seal.
5. Oil breather plugged.
1. Return unitto Sears servicecenter.
2. Disconnecthydraulic hose, remove
shippingplugs,and reconnecthose.
3. Referto adjustment sectionof this
manualand adjust the couplers
4. Correctengine/pumpalignment.
5. Returnunitto Sears servicecenter.
6. Returnunitto Sears servicecenter.
7. Rush and clean hydraulicsystem.
8. Check oillevel. Refillif necessary,
9. Returnunit to Sears servicecenter
1, Returnunit to Sears servicecenter.
2. Make certainthat the pump inlet
hoses are clear and unblocked.Use
short,large diameterinlethoses.
3. Return unitto Sears service center.
4. Return unitto Sears service center.
5. Check oillevel, Refill if necessary,
6. Drainoil, clean reservoir,refill, make
certainoilreturntube is belowoil
level.
7. Returnunitto Sears servicecenter.
8, Returnunitto Sears servicecenter,
1.
2.
3.
4.
5.
6.
7.
8.
Low horsepowerAveak engine. 1.
Overloadedcylinder 2.
Engine/pumpmisaligned, i 1,
Frozenor seized pump. 2.
Weak engine. 3.
Hydrauliclinesblocked. 4.
Blocked directional valve. 5.
1,
2,
3.
4.
5.
Returnunit to Sears servicecenter.
Return unitto Sears servicecenter.
Make certainthat the pump inlet
hoses are clear and unblocked,Use
short,large diameter inlet hoses.
Check oillevel. Refillif necessary.
Drainoil,clean reservoir,refill, make
certainoil returntube is below oil
level,
Return unitto Sears service center.
Return unitto Sears service center,
Do notattempt to splitwood against
the grain,
Return unitto Sears service center,
Do notattempt to splitwood against
the grain. If engine stalls repeatedly,
contactSears service center.
Correctalignment.
Returnunitto Sears servicecenter.
Returnunitto Sears servicecenter.
Flushandclean hydraulicsystem,
Returnunitto Sears service center
Returnunitto Sears service center.
Correctalignment.
Return unitto Sears service center.
Return unitto Sears service center,
Make certainreservoiris properly
vented,
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