Hydraulic Troubleshooting
Problem
Cause
Remedy
Cylinder rod will not move
1.
2.
Broken drive shaft.
Shipping plugs left in hydraulic
hoses.
1. See authorized service dealer.
2. Disconnect hydraulic hoses, remove
shipping plugs, reconnect hoses.
3.
4.
Set screws in coupling not adjusted 3. See operator’s manual for correct
properly.
adjustment.
Loose shaft coupling.
4. Correct engine/pump alignment as
necessary.
5.
6.
7.
8.
Gear sections damaged.
Damaged relief valve.
Hydraulic lines blocked.
Incorrect oil level.
5. See authorized service dealer.
6. See authorized service dealer.
7. Flush and clean hydraulic system.
8. Check oil level.
9.
10.
Damaged directional valve.
Blocked directional valve.
9. See authorized service dealer.
10. Flush and clean hydraulic system.
Slow cylinder shaft speed 1.
Gear sections damaged.
Excessive pump inlet vacuum.
1. See authorized service dealer.
2. Make certain pump inlet hoses are clear
and unblocked-use short, large
diameter inlet hoses.
while extending and
retracting.
2.
3.
4.
5.
6.
7.
8.
Slow engine speed.
Damaged relief valve.
Incorrect oil level.
Contaminated oil.
Directional valve leaking internally.
Internally damaged cylinder.
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.
Leaking cylinder
1.
2.
Broken seals.
Scored cylinder.
1. See authorized service dealer.
2. See authorized service dealer.
Engine runs but wood will 1.
not split or wood splits too 2.
Small gear section damaged.
Pump check valve leaking.
Excessive pump inlet vacuum.
1. See authorized service dealer.
2. See authorized service dealer.
3. Make certain pump inlet hoses are clear
and unblocked.
slowly
3.
4.
5.
6.
7.
Incorrect oil level.
Contaminated oil.
Directional valve leaking internally.
Overloaded cylinder.
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.
Internally damaged cylinder.
8. See authorized service dealer.
Engine stalls during
splitting
1.
2.
Low horsepower/weak engine.
Overloaded cylinder.
1. See authorized service dealer.
2. Do not attempt to split wood against the
grain or see authorized service dealer.
Engine will not turn or
stalls under low load
conditions
1.
2.
3.
4.
5.
Engine/pump misalignment.
Frozen or seized pump.
Low horsepower/weak engine.
Hydraulic lines blocked.
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.
Blocked directional valve.
Leaking pump shaft seal
1.
2.
3.
4.
5.
Broken drive shaft.
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.
Engine/pump misalignment.
Gear sections damaged.
Poorly positioned shaft seal.
Plugged oil breather.
NOTE: For repairs beyond those listed here, contact your nearest authorized service center.
15
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals, Troy-Bilt Lawn Mower Manuals |
|---|---|
| Tags | MTD LS338, Troy-Bilt LS338 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Lawn Mower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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purchased a LS33TB from Lowe’s in Joplin. Received operator manual which stated engine manual was a separate item. However engine manual was not in pkg. Please advise as to how I may obtain engine manual. Thank you
Owen Johnson