We have a Craftsman lawn mower LT1000 20HP model 917.271920. It had been running and cutting great.
The operator was riding the mower through a gate from the back yard to behind the fence when he ran into a big flat rock that was sometimes used to hold the gate open.
As he recalls, the blade was not engaged, and only the outside of the deck hit the rock. The blades look fine. However, the engine shut down immediately, and we have not been able to start it again.
When we turn the key, we just hear and feel a single loud thunk -- not just a click. With the transmission engaged (via rod in back), we feel the thunk under the hood and under the seat; when disengaged, only under the hood. The engine does not crank.
We tried to jump with a battery booster, but still only the single thunk.
The following sums up what we know:
• Battery is new and has well over 12V
• We also see 12V at the solenoid and at the starter
• Cable connections look good
• The fuse by the solenoid is good
• We jumped the seat switch to make sure it was not the issue
• The mower deck moves freely up and down
• The mower freewheels, we can push it around
What would you suggest we check next? Thanks in advance!
Craftsman LT1000 clunks after hitting rock
The operator was riding the mower through a gate from the back yard to behind the fence when he ran into a big flat rock that was sometimes used to hold the gate open.
As he recalls, the blade was not engaged, and only the outside of the deck hit the rock. The blades look fine. However, the engine shut down immediately, and we have not been able to start it again.
When we turn the key, we just hear and feel a single loud thunk -- not just a click. With the transmission engaged (via rod in back), we feel the thunk under the hood and under the seat; when disengaged, only under the hood. The engine does not crank.
We tried to jump with a battery booster, but still only the single thunk.
The following sums up what we know:
• Battery is new and has well over 12V
• We also see 12V at the solenoid and at the starter
• Cable connections look good
• The fuse by the solenoid is good
• We jumped the seat switch to make sure it was not the issue
• The mower deck moves freely up and down
• The mower freewheels, we can push it around
What would you suggest we check next? Thanks in advance!
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