Troubleshooting - Scheppach MTP870H Originalbetriebsanleitung

13. Troubleshooting

Problem
Engine fails to start.
Engine runs erratically.
Engine overheats.
Engine will not stop when
throttle control is positioned
at „stop", or engine speed
does not increase prop-
erly when throttle control is
adjusted.
Tiller moves forward during
starting.
Tiller is difficult to control
when tilling (machine jumps
or lurches forward).
Tines do not engage.
28 І 64
Cause
1. Spark plug wire disconnected.
2. Out of fuel or stale fuel.
3. Throttle control lever not in correct start-
ing position.
4. Choke not in „ON" Position.
5. Blocked fuel line.
6. Fouled spark plug.
7. Engine flooding.
8. Tine clutch control not in neutral position.
1. Spark plug wire loose.
2. Unit running on CHOKE.
3. Blocked fuel line or stale fuel.
4. Vent plugged.
5. Water or dirt in fuel system.
6. Dirty air cleaner.
7. Improper carburetor adjustment.
1. Engine oil level low.
2. Dirty air cleaner.
3. Air flow restricted.
4. Carburetor not adjusted properly.
1. Debris interfering with throttle linkage.
2. Improper throttle linkage adjustment.
Tine clutch control not in neutral position.
1. Improper tilling depth setting.
2. Too high engine speed on hard ground.
1. Foreign object lodged in tines.
2. Tine clevis pin(s) missing.
3. Belt worn and/or stretched.
4. Pulley and idler not in correct adjustment.
Remedy
1. Attach spark plug wire securely to
spark plug.
2. Fill with clean, fresh gasoline.
3. Move throttle control lever to start
position.
4. Chock must be positioned at CHOKE
for a cold start.
5. Clean the fuel line.
6. Clean, adjust gap, or replace.
7. Wait a few minutes to restart, but do
not prime.
8. Tine clutch control lever must be
released to neutral to start the engine.
1. Connect and tighten spark plug wire.
2. Move choke lever to OFF.
3. Clean fuel line. Fill tank with clean,
fresh gasoline.
4. Clear vent.
5. Drain fuel tank. Refill with fresh fuel.
6. Clean or replace air cleaner.
7. Refer to Engine Manual.
1. Fill crankcase with proper oil.
2. Clean air cleaner.
3. Remove blower housing and clean.
4. Refer to Engine Manual.
1. Clean dirt and debris.
2. Refer to Engine Manual to check and
adjust throttle linkage.
Tine clutch control lever must be re-
leased to neutral to start the engine.
1. Raise the tines for shallower tilling by
raising the depth regulator rod.
2. Set the throttle lever at lower speed.
1. Stop tiller completely, check and
discard foreign object.
2. Replace tine clevis pin(s).
3. Replace belt.
4. Contact dealer.