When your pole saw’s oil pump stops working, it can quickly lead to chain damage and poor cutting performance. There are typically five common DIY fixes you can attempt before needing professional help, ranging from simple cleaning to minor part replacements. Addressing these issues promptly ensures your pole saw remains lubricated and operates safely.
Diagnosing the Problem: Is It Really the Pump?
Before diving into repairs, confirm the oil pump is indeed the culprit. First, check the oil reservoir to ensure it’s full and that you’re using the correct type of bar oil. A common mistake is using motor oil, which is too thick for most pole saw pumps. Next, inspect the oil passages for any visible clogs. Sometimes, sawdust and debris can block the oil flow, making it appear as if the pump is faulty. Run the saw briefly and observe if any oil is being dispensed onto the bar and chain. If not, proceed with further diagnostics.
Fix 1: Clean the Oil Passages and Bar Groove
One of the most frequent reasons for a pole saw oil pump not working is a clogged oil passage or a blocked groove on the guide bar. Over time, sawdust, sap, and other debris can accumulate, preventing oil from reaching the chain. To clean, remove the bar and chain. Use a thin wire or a specialized bar groove cleaner to clear out any obstructions in the oil holes on the saw body and the groove along the guide bar. Pay close attention to the small oil port where the pump dispenses oil. A blast of compressed air can also help dislodge stubborn debris. Reassemble and test.
Fix 2: Inspect and Clean the Oil Filter
|
Our Picks for the Best Pole Saw in 2026
As an Amazon Associate I earn from qualifying purchases.
|
||
| Num | Product | Action |
|---|---|---|
| 1 | 36FT Pole Saw, Telescoping Tree Trimmer with 7-30FT Extension Pole, Manual Branches Pruner for Backyard, Blue |
|
| 2 | Kerlista Replace part Pole saw attachment + Extension Pole Attachment compatible with Hus 128LD most brushcutters head and Powerheads (Black) |
|
| 3 | Pole Saw Bag Compatible with Dewalt/Worx/Greenworks/EGO Power+/Black+Decker Electric Telescoping Chainsaw, Cordless Power Saw Storage Case for Extension Tree Trimmer Attachment, Black&Yellow |
|
| 4 | Electric 2-in-1 Cordless Pole Saw & 6" Chainsaw, Brushless Pruning Saw with 3.0Ah Battery, 15-Foot Reach Extendable Tree Trimmer for High Branch Pruning & Limb Cutting |
|
| 5 | SEESII 10-Inch 2-in-1 Cordless Pole Saw & Mini Chainsaw, 21V Battery Powered Brushless Electric Tree Trimmer with Extension Pole, 2×4000mAh Batteries, Automatic Oiling,Handheld Pruner |
|
| 6 | Pole Saw Attachment + Extension Pole Attachment Compatible with 125LDx 128DJx 128LDx 323LD 324LDx 325LDx 326LDx and 327LDx power head or trimmer head Silvery PA1100 575261201 |
|
| 7 | 12-Inch Chain, Pole Saw Attachment - Compatible with Weed Eater Snapper Craftsman Ryobi WORX Troy-Bilt, and Homelite Multi-Tool Hus 128LD |
|
| 8 | Kerlista Replacement Pole saw Attachment compatible with Weed Eater Snapper dewalt Craftsman Ryobi John Deere Worx Troy-Bilt and Homelite multi-tool Hus 28LD Power head Black |
|
| 9 | Greenworks 8-Inch 40V Pole Saw Attachment PS40A00 |
|
| 10 | Fiskars 15" Replacement Saw Blade, Woodzig Chainsaw Tooth, Compatible Models 9300/9261/TP45, Silver |
|
Many pole saws have an oil filter located at the end of the oil pickup tube inside the reservoir. This filter prevents larger particles from entering and damaging the oil pump. If this filter becomes clogged, it restricts oil flow to the pump. To access it, you’ll typically need to drain the oil reservoir and carefully pull out the pickup tube. Gently clean the filter with a brush and some solvent, or replace it if it’s heavily soiled or damaged. Ensure it’s properly reinstalled before refilling the reservoir.
Fix 3: Check for Air Leaks in the Oil Lines
An air leak in the oil lines can prevent the pump from priming and effectively drawing oil from the reservoir. Inspect all visible oil lines for cracks, kinks, or loose connections. Pay particular attention to the connection points at the reservoir and the pump itself. If you find any damaged lines, they should be replaced immediately. Even a small crack can introduce air into the system, disrupting the oil flow. Ensure all clamps and fittings are secure after inspection.
Fix 4: Examine the Worm Gear or Drive Mechanism
The oil pump in a pole saw is typically driven by a worm gear or a similar mechanism connected to the saw’s engine or motor. If this gear is worn, stripped, or disengaged, the pump will not operate. This often requires removing the clutch or sprocket cover to gain access. Carefully inspect the gear for any signs of damage or excessive wear. If the gear teeth are stripped, it will need to be replaced. This can be a more involved repair, and if you’re uncomfortable, it might be best to consult a professional.
Fix 5: Replace a Faulty Oil Pump
If you’ve tried all the above steps and your pole saw’s oil pump is still not working, the pump itself may be faulty and require replacement. Oil pumps can wear out over time, especially if the saw has been run without sufficient oil or if debris has entered the system. Replacing the oil pump usually involves disassembling a portion of the saw’s engine housing. It’s crucial to obtain the correct replacement pump for your specific pole saw model. Follow the manufacturer’s service manual for detailed instructions, or consider taking it to a qualified service center if you’re unsure.
- Always use the correct type of bar and chain oil.
- Regularly clean the guide bar groove and oil passages.
- Inspect oil lines for damage or leaks.
- Check and clean the oil filter periodically.
- Ensure the worm gear or drive mechanism is intact.
