McCulloch B428PS User Manual

TROUBLESHOOTING
TROUBLESHOOTING TABLE
a WARNING: Always stop machine and disconnect spark plug before performing all of the
recommended remedies below except remedies that require operation of the machine.
TROUBLE CAUSE REMEDY
Engine will not start 1. (QJLQHÀRRGHG
2. Fuel tank empty.
3. 6SDUNSOXJQRW¿ULQJ
4. Fuel not reaching carburetor.
5. Carburetor requires
adjustment.
6.
Valve clearance needs
adjustment.
1. See “Starting a Flooded
Engine” in Operation Section.
2. Fill tank with fuel.
3. Install new spark plug.
4. &KHFNIRUGLUW\IXHO¿OWHU
replace. Check for kinked or
split fuel line; repair or replace.
5. Contact an authorized service
dealer.
6. Contact an authorized service
dealer.
Engine will not idle properly. 1. Carburetor requires
adjustment.
2. Crankshaft seals worn.
3. Compression low.
4. Valve clearance needs
adjustment.
1. See “Carburetor Idle Speed
Adjustment” in Service and
Adjustments Section.
2. Contact an authorized service
dealer.
3. Contact an authorized service
dealer.
4. Contact an authorized service
dealer.
Engine will not accelerate, lacks
power, or dies under a load
1. $LU¿OWHUGLUW\
2. Spark plug fouled.
3. Carburetor requires
adjustment.
4. &DUERQEXLOGXSRQPXIÀHU
outlet screen.
5. Compression low.
6. Valve clearance needs
adjustment.
1. &OHDQRUUHSODFHDLU¿OWHU
2. Clean or replace plug and
regap.
3. Contact an authorized service
dealer.
4. Contact an authorized service
dealer.
5. Contact an authorized service
dealer.
6. Contact an authorized service
dealer.
Engine smokes excessively 1. $LU¿OWHUGLUW\
2. Carburetor requires
adjustment.
3. Too much oil in crankcase.
1. &OHDQRUUHSODFHDLU¿OWHU
2. Contact an authorized service
dealer.
3. 5HPRYHRLOWRFRUUHFWOHYHO
Engine runs hot 1. Spark plug incorrect.
2. Carburetor requires
adjustment.
3. &DUERQEXLOGXSRQPXIÀHU
outlet screen.
4. Valve clearance needs
adjustment.
5. Too much oil in crankcase.
1. 5HSODFHZLWKFRUUHFWVSDUN
plug.
2. Contact an authorized service
dealer.
3. Contact an authorized service
dealer.
4. Contact an authorized service
dealer.
5. 5HPRYHRLOWRFRUUHFWOHYHO


McCulloch B428PS Specifications

General

Brand	McCulloch
Model	B428PS
Category	Trimmer
Language	English