Craftsman 247.37787 Series User Manual (English)

Questions and Answers:

C
Christine FosterAug 16, 2025
Why Craftsman 247.37787 engine fails to start?
- M
  Michele MartinezAug 16, 2025
  The Craftsman Lawn Mower engine may fail to start due to several reasons: - The blade control might be disengaged, so ensure it is engaged. - The spark plug boot could be disconnected; check and connect it. - The fuel tank may be empty or contain stale fuel; refill with fresh gasoline. - The engine may not be primed; prime it as instructed in the Operation section. - The spark plug might be faulty; clean, adjust the gap, or replace it. - The engine could be flooded; wait a few minutes before restarting.
S
Stephanie WatkinsAug 18, 2025
What to do if Craftsman Lawn Mower engine fails to start with electric starter?
- T
  Tracy RiceAug 19, 2025
  If your Craftsman Lawn Mower engine fails to start with the electric starter, consider the following: - Ensure the Electric Starter Push Key is fully inserted into the starter housing until it snaps into place. - The battery may not be charged. Charge the battery. - The circuit breaker might have tripped. Stop the engine, remove the Electric Starter Push Key, and disconnect the spark plug boot. Check for and carefully remove any debris obstructing the blade. Reattach the spark plug boot and reinsert the Electric Starter Push Key. Wait one minute for the circuit breaker to automatically reset, then try starting again.
M
Michele RosarioAug 22, 2025
What to do if Craftsman 247.37787 engine runs erratic?
- T
  Terry YatesAug 22, 2025
  If your Craftsman Lawn Mower engine runs erratically, it could be due to: - A loose spark plug boot. Connect and tighten the spark plug boot. - Stale fuel. Replace the fuel with clean, fresh gasoline. - A plugged vent in the gas cap. Clear the vent. - Water or dirt in the fuel system. Run the engine until it stops due to lack of fuel, then refill with fresh fuel. - A dirty air cleaner. Refer to the Air Cleaner Maintenance section in the Engine Manual.
R
Renee ClarkAug 25, 2025
Why Craftsman 247.37787 has uneven cut?
- A
  austin14Aug 25, 2025
  An uneven cut with your Craftsman Lawn Mower can result from: - Wheels not positioned correctly. Adjust the cutting height lever on the right front and right rear wheel to the same position. - A dull blade. Sharpen or replace the blade.
L
Leah OsborneAug 27, 2025
What to do if Craftsman 247.37787 Lawn Mower idles poorly?
- D
  Deanna BernardAug 28, 2025
  If your Craftsman Lawn Mower idles poorly, it might be because: - The spark plug is fouled, faulty, or the gap is too wide. Reset the gap or replace the spark plug. - The air cleaner is dirty. Refer to the Air Cleaner Maintenance section in the Engine Manual.
R
Rodney GoodmanAug 31, 2025
Why Craftsman Lawn Mower will not self propel?
- G
  George JacksonAug 31, 2025
  Your Craftsman Lawn Mower might not self-propel due to: - The belt not installed properly. Check the belt for proper pulley installation and movement. - Debris clogging the drive operation. Stop the engine, disconnect the spark plug boot, and clean out any debris. - A damaged or worn belt. Inspect the belt.
S
stephanieramirezSep 3, 2025
Why Craftsman 247.37787 Lawn Mower engine overheats?
- S
  Sharon HubbardSep 3, 2025
  The Craftsman Lawn Mower engine may overheat if: - The engine oil level is low. Fill the crankcase with the proper oil. - The airflow is restricted. Clean the area around and on top of the engine.
K
kristin76Sep 5, 2025
Why Craftsman 247.37787 will not mulch grass?
- A
  Autumn BakerSep 6, 2025
  Your Craftsman Lawn Mower might not mulch grass effectively due to: - Wet grass. Avoid mowing when the grass is wet; wait until it's dry. - Excessively high grass. Mow once at a high cutting height, then mow again at the desired height or make a narrower cutting path. - A dull blade. Sharpen or replace the blade.
H
Hannah KochSep 8, 2025
Why Craftsman 247.37787 Lawn Mower has excessive vibration?
- T
  Tracy Knapp MDSep 8, 2025
  Excessive vibration in your Craftsman Lawn Mower could be due to: - A loose or unbalanced cutting blade. Tighten the blade and adapter, and balance the blade. - A bent cutting blade. Replace the blade.
Y
ymaldonadoSep 12, 2025
Why Craftsman 247.37787 Lawn Mower occasionally skips?
- J
  Jerry DavidSep 12, 2025
  Occasional skipping or hesitation in your Craftsman Lawn Mower may be due to: - The spark plug gap being too close. Adjust the gap, referring to the Spark Plug Maintenance section in the Engine Manual.

Craftsman 247.37787 Series Specifications

General

Deck Material	Steel
Weight	80 lbs
Mulching Capability	Yes
Engine	Briggs & Stratton
Cutting Width	21 inches
Start Type	Recoil
Drive Type	Self-propelled
Cutting Height	1.25 - 3.75 in.
Discharge Options	Side, Rear, Mulch
Warranty	2-year limited