Troubleshooting - MTD 5DM Series Operator's Manual

6
Trouble
Shooting
For repairs beyond
the minor adjust-
ments listed here,
contact an authorized
service dealer.
Hydraulic
Trouble
Shooting
Problem
Engine fails to start
Engine runs erratic
Engine Overheats
Occasional skips
(hesitates) at
high speed
Idles poorly
Problem
Cylinder rod will not
move
Cause
1. Spark plug wire disconnected.
2. Fuel tank empty or stale fuel.
3. Choke not in CHOKE position.
4. Trunnions not depressing safety switch.
5. Faulty spark plug.
6. Blocked fuel line.
7. Engine Flooded.
1. Unit running with CHOKE applied.
2. Spark plug wire loose.
3. Blocked fuel line or stale fuel.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Vent in gas cap plugged.
1. Engine oil level low.
2. Air flow restricted.
1. Spark plug gap too close.
1. Spark plug fouled, faulty or gap
too wide.
2. Dirty air cleaner.
Cause
1. Broken or worn belt.
2. Shipping plugs left in hydraulic hoses.
3. Set screws in pump pulley not
adjusted properly.
4. Loose pulley.
5. Pump gear sections damaged.
6. Damaged relief valve.
7. Hydraulic lines blocked.
8. Incorrect oil level.
9. Damaged directional valve.
10. Blocked directional valve.
11. Unlevel ground; hydraulic fluid not
reaching pump.
14
Remedy
1. Connect wire to spark plug.
2. Fill tank with clean, fresh gasoline.
3. Choke engine as instructed in
"Operating Your Log Splitter".
4. Move cylinder into locked position.
5. Clean, adjust gap, or replace.
6. Clean fuel line.
7. Wait a few minutes to start.
1. Push CHOKE knob in.
2. Connect and tighten spark
plug wire.
3. Clean fuel line; fill tank with clean,
fresh (less than 30 days old)
gasoline.
4. Drain fuel tank. Refill with
fresh fuel.
5. Refer to engine maintenance
section.
6. Clear vent.
1. Fill crankcase with proper oil.
2. Remove blower housing
and clean.
1. Adjust gap to .030".
1. Reset gap to .030" or replace
spark plug.
2. Refer to engine maintenance
section.
Remedy
1. Replace belt.
2. Disconnect hydraulic hoses,
remove shipping plugs, reconnect
hoses.
3. See authorized service dealer.
4. Correct engine/pump alignment as
necessary.
5. See authorized service dealer.
6. See authorized service dealer.
7. Flush and clean hydraulic system.
8. Check oil level.
9. See authorized service dealer.
10.Flush and clean hydraulic system.
11. Move log splitter to level ground.