Table of Contents
Section 8: Troubleshooting
Troubleshooting Chart
Problem | Cause | Solution |
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Motor Oil Seal Leaking | Return line from motor has been pinched | Replace lower seal of motor. Check motor |
| or is collapsed. | return hose for kinks. |
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| Case drain line is not properly connected. | Connect case drain line to the hydraulic |
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| motor and skid steer reservoir. |
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Spindle Hub Seal Leaking | Return line from motor has been pinched | Replace lower seal of motor and Spindle |
| or is collapsed. | Hub output shaft seal. Check motor return |
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| hose for kinks. |
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Blades wearing excessively | Cutting on sandy ground. | Raise cutting height. |
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| Contacting ground frequently. | Raise cutting height. |
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Spindle Hub Seal Leaking | Return line from motor has been pinched | Replace lower seal of motor and Spindle |
| or is collapsed. | Hub output shaft seal. Check motor return |
|
| hose for kinks. |
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|
Blades coming loose | Insufficient shimming. | Add shimming. See text. |
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| Blade bolts not tightened properly. | Torque blade bolt nuts to 450 ft lbs. |
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Blade carrier becomes loose | Running loose in the past. | Replace gearbox output shaft and blade |
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| carrier. |
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| Blade carrier hardware not tight enough. | Tighten to specified torque. |
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Blade bolt holes worn | Blade hardware running loose. | Replace blades and blade bolts if worn. |
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Blades breaking | Hitting solid objects. | Thoroughly check the cutting area |
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| BEFORE beginning to cut. Be alert during |
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| cutting. |
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Loose Blade Carrier | Worn spindle hub bearings. | Replace Spindle Hub bearings and/or |
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| shaft. |
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| Shaft nut loose. | Tighten Spindle Hub shaft nut to 450 ft lbs. |
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Blade Carrier bent | Hitting solid objects. | Avoid solid objects/Be alert. |
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Gauge wheel support failing | Lowering too fast. | Adjust rate of drop. |
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| Hitting objects when turning. | Reduce speed on turns. |
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Excessive skid shoe wear | Cutting height not level or blade missing. | Adjust deck height or replace. |
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| Soil abrasive. | Raise cutting height. |
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| Cutting too low. | Raise cutting height. |
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Excessive vibration | Locked blades. | Inspect and unlock blades. |
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| Blades have unequal weight. | Replace blades as a PAIR. |
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| Blade carrier bent. | Replace / straighten blade carrier. |
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30 SC2660 & SC2672 Skid Steer Rotary Cutter | 1/07/09 |
