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Why is my cat 305 CR not working?

Why is my cat 305 CR not working?

DO NOT under any circumstances use the “quick replacement” battery terminals that clamp to the cables with a couple of bolts. I ran into similar problems with an 1840 that I have. The positive post was worn to the point that it would not charge.

Why is the ignition dead on my Cat 305?

A couple times when the key in off position I could hear a buzzing coming from under the seat by the hour meter, turn key on and the buzz would quit, or when it was buzzing with key off it would quit on its own after 5 seconds or so. Now key in the on position is totally dead and in the off position there is no noises either.

Where is the ground cable on a cat 305?

G..G..G..Granville………..!! Sounds to me like the first place you should look is the battery ground cable, after that the engine ground cable, plus the ground cables that run to and from the master switch. After that all the “Hot” positive cables between the battery and the starter motor.

What was the problem with my Cat 305?

Tried key again and the same thing, kept trying the key, sometimes when key on the lights would come on, then others nothing at all when key is on.

G..G..G..Granville………..!! Sounds to me like the first place you should look is the battery ground cable, after that the engine ground cable, plus the ground cables that run to and from the master switch. After that all the “Hot” positive cables between the battery and the starter motor.

Where are the connectors on a mini excavator?

Machine locations are repeated for components located close together. A = Located in or on the right console. B = Located in or on the left console. The connectors shown in this chart are for harness to harness connectors. component. See the Component Location Chart.

Why does my cat engine won’t start?

Cat Engine Won’t Start Troubleshooting. Diesel Engine Crank No Start. – YouTube Cat Engine Won’t Start Troubleshooting. Diesel Engine Crank No Start. If playback doesn’t begin shortly, try restarting your device.

What to do if your Caterpillar 3306 starter is not working?

Manually turn the crankshaft slowly as hard movements might damage further internal parts. If fluid in the cylinders is not the problem the engine must be disassembled down to the bear block to check for hard internal issues such as the bearing issues, piston seizures or the wrong piston configuration or alignment.

DO NOT under any circumstances use the “quick replacement” battery terminals that clamp to the cables with a couple of bolts. I ran into similar problems with an 1840 that I have. The positive post was worn to the point that it would not charge.

What to do if your excavator starter does not engage?

If starter does not engage, check continuity from the 304 white wire on the start relay to the 304 white wire on the starter relay mounted to the starter. I am assuming you have already checked the fuse for the solenoids.

What happens when the solenoid is not pulled in?

If the solenoid does not pull in the switch, the start disable relay circuit will be open. It is wired normally open. When the arm rest is up and key is on then it is closed and will allow starting. When the start disable relay is closed, power goes to the start relay and closes it. This sends power to the starter relay and engages the starter.

Where does power go on a cat 301.5 excavator?

With the key on and the arm rest down the power should go through the hydraulic disable relay to the M927 green wire and directly to the hydraulic disable solenoid on the manifold block under the seat. If power does not go through the relay, it is bad.

What was the problem with my excavator this morning?

Started the excavator this morning to move it 50 feet out of the way, started fine, shut it off, about a hour later came back and tried to move it and when turning the key on it would beep, fuel needle moves, dash lights came on which is all normal but when I hit they key everything goes out and starter doesn’t engage or make any noise.

A couple times when the key in off position I could hear a buzzing coming from under the seat by the hour meter, turn key on and the buzz would quit, or when it was buzzing with key off it would quit on its own after 5 seconds or so. Now key in the on position is totally dead and in the off position there is no noises either.

With the key on and the arm rest down the power should go through the hydraulic disable relay to the M927 green wire and directly to the hydraulic disable solenoid on the manifold block under the seat. If power does not go through the relay, it is bad.

Is the 301.5 serial number a 301.8 serial number?

It’s actually a 301.8 Serial No. is BFA00973. There is no switch in the RHS console but the wiring is there and it is open. I have metered that across to the LHS console – it is connected via the P977 wire. The schematic (2010-05-31_200232_301.5.pdf) you sent to the other guy is close enough to mine.

It’s actually a 301.8 Serial No. is BFA00973. There is no switch in the RHS console but the wiring is there and it is open. I have metered that across to the LHS console – it is connected via the P977 wire. The schematic (2010-05-31_200232_301.5.pdf) you sent to the other guy is close enough to mine.

Can you use a tool not recommended by Caterpillar?

If a tool, procedure, work method or operating technique that is not specifically recommended by Caterpillar is used, you must satisfy yourself that it is safe for you and for others. You should also ensure that you are authorized to perform this work, and that the

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Ruth Doyle