White Outdoor Series 510, Operator'S Manual

17

6

Hydraulic

Trouble 

Shooting

For repairs beyond 

the minor adjust-

ments listed here, 

contact an authorized 

service dealer. 

Slow cylinder shaft 

speed while extending 

and retracting.

1.See authorized service dealer. 
2.  Make certain pump inlet hoses are 

clear and unblocked-use short, 
large diameter inlet hoses.

3.See authorized service dealer.
4.See authorized service dealer.
5.Check oil level.
6.Drain oil, clean reservoir, and refill.
7.See authorized service dealer.
8.See authorized service dealer.

1.  Gear sections damaged.
2.  Excessive pump inlet vacuum.

3.  Slow engine speed.
4.  Damaged relief valve.
5.  Incorrect oil level.
6.  Contaminated oil.
7.  Directional valve leaking internally.
8.  Internally damaged cylinder.

Leaking Cylinder

1.  See authorized service dealer.
2.  See authorized service dealer.

1.  Broken seals.
2.  Scored cylinder.

Engine stalls during 

splitting

1.  See authorized service dealer.
2.  Do not attempt to split wood 

against the grain or see authorized 
service dealer. 

1.  Low horsepower/weak engine.
2.  Overloaded cylinder.

Engine will not turn or 

stalls under low load 

conditions

1.  Correct alignment as necessary.
2.  See authorized service dealer.
3.  See authorized service dealer.
4.  Flush and clean hydraulic system.
5.  Flush and clean hydraulic system.

1.  Engine/pump misalignment.
2.  Frozen or seized pump.
3.  Low horsepower/weak engine.
4.  Hydraulic lines blocked.
5.  Blocked directional valve.

Engine runs but wood 

will not split or wood 

splits too slowly

1.  Small gear section damaged.
2.  Pump check valve leaking.
3.  Excessive pump inlet vacuum.

4.  Incorrect oil level.
5.  Contaminated oil.
6.  Directional valve leaking internally.
7.  Overloaded cylinder.
8.  Internally damaged cylinder.

1.  See authorized service dealer.
2.  See authorized service dealer.
3.  Make certain pump inlet hoses are 

clear and unblocked.

4.  Check oil level.
5.  Drain oil, clean reservoir, and refill.
6.  See authorized service dealer.
7.  Do not attempt to split wood 

against the grain.

8.  See authorized service dealer.

Cause

Problem

Remedy

Leaking pump shaft 

seal

1.  See authorized service dealer.
2.  Correct alignment as necessary.
3.  See authorized service dealer.
4.  See authorized service dealer.
5.  Make certain reservoir is properly 

vented.

1.  Broken drive shaft.
2.  Engine/pump misalignment.
3.  Gear sections damaged.
4.  Poorly positioned shaft seal.
5.  Plugged oil breather.