{"id":790,"date":"2010-10-29T15:17:11","date_gmt":"2010-10-29T05:47:11","guid":{"rendered":"http:\/\/www.clearchain.com\/blog\/?p=790"},"modified":"2011-01-10T12:12:16","modified_gmt":"2011-01-10T02:42:16","slug":"replacing-an-oil-pump-in-a-husqvarnapoulancraftsmanjohnsered-chainsaw","status":"publish","type":"post","link":"https:\/\/www.clearchain.com\/blog\/posts\/replacing-an-oil-pump-in-a-husqvarnapoulancraftsmanjohnsered-chainsaw","title":{"rendered":"Replacing an Oil Pump in a Husqvarna\/Poulan\/Craftsman\/Johnsered Chainsaw"},"content":{"rendered":"
\"\"<\/a>

Husqvana 136 Chainsaw<\/p><\/div>\n

It was the middle of winter, the nights were cold and we needed some firewood for our little combustion heater.\u00a0 Out I went with my 2 times hand-me-down Husqvarna 136 chainsaw to cut some wood up. After only a minute of cutting the blade began to smoke. Despite the cold I thought “That ain’t right<\/em>” and quickly stopped the saw to investigate.<\/p>\n

I did the usual checks. I checked the saw had enough oil – it did. I checked the blade was sharp.. it wasn’t any more – though it was when I started only minutes before. I then checked that oil was getting to the bar and the chain. Ah, that’s the problem.<\/p>\n

The chain was bone dry!\u00a0 I checked the bar. There was some dirt in the bar but not enough to prevent oil getting on to it. Finally I checked where the oil is meant to come out on the chainsaw – Nothing was coming out.<\/p>\n

\"\"<\/a>

Old Oil Pump With Slice in top left<\/p><\/div>\n

A little digging and I found that the oil pump cover had a slice in it. How it got there I’ve no idea. The fact it was there proved to be the problem. The oil pump cover performs two jobs. It creates a seal so suction can build up for the pump and acts as a dirt cover.<\/p>\n

I began to pull the chainsaw apart to check the state of the oil pump. Pulling the saw apart started off quite easily. Off with the steel outer cover, remove the rubber insulator.. then I hit a road block. The oil pump was actually under the main drive socket\/chainsaw clutch. It was held in by two screws that I had no chance of getting into. Hence the drive socket\/clutch had to be removed.<\/p>\n

The drive socket\/clutch is actually a reverse thread screw type setup attached directly to the main crackshaft of the engine.
\nEvery attempt I did to unscrew this piece simply turned the cylinder.\u00a0 I gave up for the night in frustration.<\/p>\n

Google<\/a> is a friend and I soon found the reason I couldn’t undo the part.\u00a0 In the official repair manual, a special ‘cylinder lock tool’<\/strong>‘ is required to brace the cylinder in position and a special ‘drive socket\/clutch release tool’ <\/strong>is used to grip the clutch. These tools allow the clutch\/drive socket to be unscrewed and hence the oil pump removed. A quick inquiry – $58 for both! No way was I going to pay that for tools I’d only use once. I was at a loss.<\/p>\n

Luckily I eventually found the following forum post.<\/a> In the post the person mentions using an old nylon rope as a cylinder lock – Ironically they mention the official tool often pokes a hole in the cylinder! Anyway back to the shed I went to give it a go. Nylon rope in cylinder, vice grips as release tool – It worked! The drive socket\/clutch released and I was able to access the oil pump.<\/p>\n

\"\"<\/a>

Oil pump with cover removed, stripped gear visible<\/p><\/div>\n

\"\"<\/a>

Worm Gear That Drives The Oil Pump<\/p><\/div>\n

With the oil pump removed it was clear the part needed replacing. The oil pump in the chainsaw is driven by a worm thread on the main drive shaft. This worm thread turns a plastic gear which causes a half cylindrical piece of metal to rotate. As it rotates it creates suction. This suction draws the oil from the oil tank, through an oil filter into the oil pump. The oil pump passes the oil from one side of the pump to the other and out via plastic channels to the bar\/chain. In my case the plastic gear on the oil pump was stripped in one place. It looks like the slice on the pump cover allowed dirt to get in. The dirt jammed the plastic gear and the metal worm thread did a nice job of stripping the gear.<\/p>\n

After downloading the parts list for the 136\/141 from the Husqvarna website<\/a> (Note: IPL = Illustrated Parts list) I was soon able to work out what part I needed – it was part 530014410 (apparently also the same as: 530029838, 530029834, 530029835, and 530029912, 545036801). A trip to the local chainsaw shop had the part listed at $32. A quick trip to eBay<\/a> and I found the part for less than $10 delivered! (Thanks to user\/ebay store Mowers4u<\/a>)<\/p>\n

\"\"<\/a>

The replacement oil pump<\/p><\/div>\n

I ordered the part and waited for it to arrive.<\/p>\n

A few weeks later (it was an international trip) the part arrived and after giving the chainsaw an extremely good clean using degreaser, petrol and a wirebrush; I set about putting the chainsaw back together. At each stage I checked that the pump was working. Turns out the model of pump I got (as stated in the eBay ad) was actually an enhancement to the original part with better dirt protection – looking at the part this modification was clearly visible.<\/p>\n

Eventually I finished putting the entire chainsaw back together and test it out – it worked! Oil now flowed nicely on to the chain again. A fine line of oil was now clearly visible when spinning the chain next to an object. So for the cost of a couple weeks worth of waiting, a couple hours of my time and less than $10, my trusty Husqvarna 136 Chainsaw was back in action and ready to finally cut that much needed firewood! (The backup stock was getting really low \ud83d\ude42<\/p>\n

One final side note to anyone wanting to replace the oil pump; the part I used is actually is able to be used by many chainsaw makes an models. Taking direct from the Mowers4U eBay Add:<\/p>\n

“This is an oil pump assembly Poulan, Husqvarna, Jonsered, and Craftsman chainsaws. The oil pump is part number 545036801, which is the latest version and supercedes part numbers 530014410, 530029838, 530029834, 530029835, and 530029912. The pump fits a large number of models including Poulan and Poulan Pro 2200, 2500, 2600, 2750, 2775, 2900, 3050, PP255, PP295, PP310, PP315, PP4620, and Husqvarna models 36, 41, 136, 141, 137, and 142. This is a genuine Poulan part, not an aftermarket part”<\/em><\/strong><\/p>\n

Installing The New Oil Pump on The Husky<\/h2>\n
\"\"<\/a><\/em><\/strong><\/em><\/strong>

1 Oil Pump Fully Removed<\/p><\/div>\n

\"\"<\/a><\/em><\/strong><\/em><\/strong>

2 New Oil Pump Installed<\/p><\/div>\n

\"\"<\/a><\/em><\/strong><\/em><\/strong>

3 Washer Installed<\/p><\/div>\n

\"\"<\/a><\/em><\/strong><\/em><\/strong>

4 Clutch Housing Installed<\/p><\/div>\n

\"\"<\/a><\/em><\/strong><\/em><\/strong>

5 Clutch Installed<\/p><\/div>\n

\"\"<\/a><\/em><\/strong><\/em><\/strong>

6 Tightening The Clutch Housing ("Special Tool Used" \ud83d\ude42<\/p><\/div>\n

\"\"<\/a><\/em><\/strong><\/em><\/strong>

7 Rubber Guard & Covers Installed - Pump Changed<\/p><\/div>\n

 <\/div>\n
\n

Edit: A kind reader (Eino Yooper) contributed the following when replacing the pump of his Jonsered<\/h2>\n

From Benjamin Close: Many thanks Eino Yooper for the feedback and the photos!<\/strong><\/p>\n

“A thousand thank yous for the Chainsaw rope trick.\u00a0 My Jonserud was not oiling and I spent hours searching the internet before I found this wonderful posting.\u00a0 I could find no directions or an exploded diagram of my clutch assembly.<\/em><\/p>\n

It took 8 ft of twine to fill the cylinder head of my 2045.\u00a0 I had to buy a vise grips, but it was well worth it.\u00a0 The Jonserud is a little different in the appearance of the clutch and that the oil pump is not enclosed withing a nylon enclosure.\u00a0 I found that there is a rubber oil channel.\u00a0 It was completely filled with greasy sawdust blocking the passage of oil.\u00a0 I cleaned it out and the oil flowed by hand rotation. <\/em><\/p>\n

I’m sure the pump is about the same as the Husky, a small piston pump. <\/em><\/p>\n

This didn’t come easy to me.\u00a0 I am mechanically challenged.\u00a0 There are about four parts on the engine shaft that need to come off after removal of the clutch.\u00a0 There is the clutch housing with integral sprocket, a bushing that rides inside the clutch housing, an inner bushing, a screw to hold a thin sheet metal plate down and the sheet metal plate.\u00a0 Pay close attention to their orientation.\u00a0 I did this about 2 in the morning and mixed them up.\u00a0 I ended up using the chainsaw rope trick three times before I got them together right. <\/em><\/p>\n

While the machine is apart, this is a good time to clean and gap the plug as well as to clean filters and the inner guts of the saw. <\/em><\/p>\n

The chain should turn as easily as before when the unit is completed.\u00a0 If not, the rope may need to be gently pushed into the cylinder head again for dis-assembly.\u00a0 <\/em><\/p>\n

Test the chainsaw on some snow to see if a line of oil shows up.\u00a0 Point it at the snow and rev her a bit.\u00a0 Don’t spill gas and oil on yourself like I did.\u00a0 If you live in an area without snow, you are lucky.”<\/em><\/p>\n

“I’ve had that oiling problem for months, brought it into a chainsaw person and he installed a new pump. Then the problem came back as an intermittent
\nproblem. You’ll see the black rubber oil channel. It filled with oily sawdust and probably will again, but now I know how to fix it. My house will be warm. The propane bill collector will not trouble me this Winter. “<\/em><\/p>\n

\"\"<\/a>

The Jonsered Chain Saw<\/p><\/div>\n

\"\"<\/a>

Taking the Clutch Cover Off<\/p><\/div>\n

\"\"<\/a><\/em>

Below the Clutch<\/p><\/div>\n

\"\"<\/a>

Clutch Exposed<\/p><\/div>\n

\"\"<\/a><\/em>

Pump Channel<\/p><\/div>\n

\"\"<\/a>

New Tool<\/p><\/div>\n

\"\"<\/a>

Sheet Metal<\/p><\/div>\n

\"\"<\/a>

Plug and Rope<\/p><\/div>\n

\"\"<\/a><\/em>

1.33Fathoms-in<\/p><\/div>\n

\"\"<\/a>

Dirty Plug<\/p><\/div>\n

\"\"<\/a>

Dirty Filter<\/p><\/div>\n

\"\"<\/a>

Oil on the Snow<\/p><\/div>\n

\"\"<\/a>

All Fixed For A Happy Result<\/p><\/div>\n<\/div>\n

 <\/div>\n","protected":false},"excerpt":{"rendered":"

It was the middle of winter, the nights were cold and we needed some firewood for our little combustion heater.\u00a0 Out I went with my 2 times hand-me-down Husqvarna 136 chainsaw to cut some wood up. After only a minute of cutting the blade began to smoke. Despite the cold I thought “That ain’t right” [..more..]<\/font><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120,47],"tags":[311,318,317,313,314,316,312,315],"class_list":["post-790","post","type-post","status-publish","format-standard","hentry","category-country-living","category-repairs","tag-chainsaw","tag-driveshaft","tag-gear","tag-husqvarna","tag-installing","tag-instructions","tag-oil-pump","tag-repairing"],"yoast_head":"\nReplacing an Oil Pump in a Husqvarna\/Poulan\/Craftsman\/Johnsered Chainsaw - ClearChain<\/title>\n<meta name=\"description\" content=\"It was the middle of winter, the nights were cold and we needed some firewood for our little combustion heater.\u00a0 Out I went with my 2 times hand-me-down\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.clearchain.com\/blog\/posts\/replacing-an-oil-pump-in-a-husqvarnapoulancraftsmanjohnsered-chainsaw\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Close\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.clearchain.com\/blog\/posts\/replacing-an-oil-pump-in-a-husqvarnapoulancraftsmanjohnsered-chainsaw#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.clearchain.com\/blog\/posts\/replacing-an-oil-pump-in-a-husqvarnapoulancraftsmanjohnsered-chainsaw\"},\"author\":{\"name\":\"Benjamin Close\",\"@id\":\"https:\/\/www.clearchain.com\/blog\/#\/schema\/person\/aef6faa2c32188398139db9270ca1c98\"},\"headline\":\"Replacing an Oil Pump in a Husqvarna\/Poulan\/Craftsman\/Johnsered Chainsaw\",\"datePublished\":\"2010-10-29T05:47:11+00:00\",\"dateModified\":\"2011-01-10T02:42:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.clearchain.com\/blog\/posts\/replacing-an-oil-pump-in-a-husqvarnapoulancraftsmanjohnsered-chainsaw\"},\"wordCount\":1743,\"commentCount\":16,\"image\":{\"@id\":\"https:\/\/www.clearchain.com\/blog\/posts\/replacing-an-oil-pump-in-a-husqvarnapoulancraftsmanjohnsered-chainsaw#primaryimage\"},\"thumbnailUrl\":\"http:\/\/www.clearchain.com\/blog\/images\/\/2010\/10\/136-150x150.jpg\",\"keywords\":[\"chainsaw\",\"driveshaft\",\"gear\",\"husqvarna\",\"installing\",\"instructions\",\"oil pump\",\"repairing\"],\"articleSection\":[\"Country Living\",\"Repairs\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.clearchain.com\/blog\/posts\/replacing-an-oil-pump-in-a-husqvarnapoulancraftsmanjohnsered-chainsaw#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.clearchain.com\/blog\/posts\/replacing-an-oil-pump-in-a-husqvarnapoulancraftsmanjohnsered-chainsaw\",\"url\":\"https:\/\/www.clearchain.com\/blog\/posts\/replacing-an-oil-pump-in-a-husqvarnapoulancraftsmanjohnsered-chainsaw\",\"name\":\"Replacing an Oil Pump in a Husqvarna\/Poulan\/Craftsman\/Johnsered Chainsaw - 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