Bolens G152
Contents:
Production | |
| Distributor: | Bolens |
| Manufacturer: | Iseki |
| Type: | Sub-Compact Utility tractor |
| Variants: | 2WD; 4WD |
Power | |
| Engine: | 15 hp 11.2 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| Differential lock: | mechanical standard |
| Steering: | manual |
| Brakes: | mechanical internal expanding |
| Cab: | Open operator station. |
| Transmission: | 6-speed unsynchronized gear |
Power Take-off (PTO) | |
| Rear PTO: | transmission |
| Rear RPM: | 472/752/1177 |
| Engine RPM: | 472@2700 752@2700 1177@2700 |
Serial Numbers | |
| Location: | Serial number plate near gear shift. |
Electrical | |
| Ground: | negative |
| Battery volts: | 12 |
Engine Detail | ||
| Mitsubishi KE 70: | Diesel, 2-cylinder, liquid-cooled | |
| Displacement: | 40.8 ci 0.7 L | |
| Bore/Stroke: | 2.87x3.15 inches 73 x 80 mm | |
| Power: | 15 hp 11.2 kW | |
| Air cleaner: | dry element | |
| Pre-heating: | glow plugs | |
| Starter: | electric | |
| Starter volts: | 12 | |
| Coolant capacity: | 4.4 qts 4.2 L | |
Transmission | |
| Type: | unsynchronized gear |
| Gears: | 6 forward and 2 reverse |
| Clutch: | dry disc |
| Oil capacity: | 13 qts 12.3 L |
| Three gears (1-3) plus reverse (R) with additional high-low range shift. Tractor must be stopped, and clutch used, to shift gears and range. | |
Dimensions | |
| Weight: | 1,035 lbs 469 kg |
| Front tread: | 28.3/34.6 inches 71/87 cm |
| Rear tread: | 29.1/33/37 inches 73/83/93 cm |
Troubleshooting a Bolens G152 Tractor
If you're a proud owner of a Bolens G152 K3A tractor and it's been giving you trouble running on fewer cylinders, you're not alone. Many tractor enthusiasts face similar issues, and in this article, we'll explore a thread from a tractor forum where a user sought advice on resolving this problem. We'll also discuss some common troubleshooting steps to help you diagnose and potentially fix the issue with your Bolens G152.
User's Initial Problem: The user started by introducing themselves and described their Bolens G152 K3A tractor's issue. They noticed that the tractor was running on only one or two cylinders. To investigate further, they used an infrared thermometer to check the exhaust manifold temperatures. Cylinder #3 was around 200 degrees, #2 was around 150 degrees, and #1 was around 100 degrees. Even after swapping injectors between cylinders #1 and #3, the temperature readings remained the same. The user suspected a blown head gasket but wanted advice from the tractor community.
User Suggestions:
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Compression Test: Several forum members recommended performing a compression test on all three cylinders. This test can help determine if there are any issues with the engine's internal components. The user later reported that the compression on all three cylinders was 420 psi, which exceeded the service limit of 370 psi.
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Injector and Injection Pump Inspection: A member with expertise in injection pumps suggested hanging the injectors outside the engine and spinning the engine over to observe the spray pattern from the injectors. Additionally, they advised being cautious, as the injector spray can penetrate the skin. If the spray patterns were consistent, the member recommended checking the injection pump, as there could be issues with the sliding rack inside the pump.
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Glow Plug Check: Some members pointed out that faulty glow plugs might cause the tractor to run poorly until it warms up. The user confirmed that the tractor starts well in summer without using the glow plugs.
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Fuel System Check: Forum members advised inspecting the fuel system for issues. This includes checking the fuel filter, ensuring there is no water in the fuel, and verifying that the fuel lines are not clogged. It's crucial to use the correct type of fuel for your diesel tractor.
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Injector Cleaning: If the injectors are suspected to be the issue, some members suggested having them tested and cleaned by a professional. This can improve fuel atomization and combustion efficiency.
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Pilot Bearing: One member mentioned that a noisy clutch engagement could be due to a pilot bearing issue. However, this may not be directly related to the engine running on fewer cylinders.
Conclusion
Diagnosing and fixing issues with your Bolens G152 tractor can be a rewarding experience for tractor enthusiasts. In this case, the user's issue with the tractor running on fewer cylinders was met with several valuable suggestions from the tractor forum community. While the compression test showed good results, further inspection of the fuel system, injectors, and injection pump might be necessary to pinpoint the root cause of the problem.
Remember that tractor maintenance and repair require careful attention to detail and safety precautions. If you're unsure about any aspect of the troubleshooting process, it's advisable to seek the assistance of a qualified mechanic or tractor repair specialist. With patience and persistence, you can get your Bolens G152 running smoothly once again.
