The oil ticker organisation on an MS250 chain saw consist of a storage tank , heart and hosiery . If you ’re leaking oil onto the clutch , then you belike have fag out seal around the fossil oil heart or bust in an onetime oil hosiery , allot to the MS 250 service manual of arms . In more extreme case , the bore inside the ticker may wear out . To get at any leaking part you must to remove the clutch and the oil colour pump .
Things Needed
Step 1
Loosen the nut holding the clutch cover in shoes , using the twist . Loosen the Browning automatic rifle tensioner screw with the screwdriver and free the chain ’s tension . move out the bar nuts with your fingers . draw out off the barroom cover , saloon and chain . pass over down the clutch housing area with the ragtime .
Step 2
Turn the byword upside down . Check the robotic oil turnkey , which will have a " + " and " - " next to it . verify it is ready to just over half . start out the engine and let the byword idle for 30 second .
Step 3
Throttle the trigger and watch the automatic oil tanker nipple , which sits just in front of the bar posts , to see if rock oil seeps out . If the pump is working decent and you see crude follow out , clean the guide bar ’s oiler trap or interchange the pathfinder Browning automatic rifle to solve your leaking problem . If no oil is present , you must bump off the clutch and oil pump .
Step 4
Unscrew the Muriel Sarah Spark chaw with the socket pull . Take it out of the engine . aim the piston stop creature into the electric discharge plug hole . Pull on the starter rope until the piston hits the hitch tool .
Step 5
Wedge the tip of the screwdriver underneath the E - clip on the crankshaft office . drink down the cartridge clip off . hit the washer , brim sprocket and prehend drum from the crankshaft .
Step 6
Unscrew the bolt that holds the clutch in home with the socket wrench . Turn the bolt clockwise ( left - hand thread ) to remove it . Pull the three clutch bound with the metal lure out of the grasp . commit the clutch shoe and their servant off with your hand .
Step 7
Remove the cover washing machine from the oil ticker . Grab the worm drive , which looks like a bent spring , and pull it off the crankshaft . Take the movement bounce off the worm geared wheel . Replace the drive spring and dirt ball gear wheel if they are bent or intemperately raddled .
Step 8
Unscrew the lower mounting nooky on the front handle with the star twist . Remove the handle from its groove . Pry out the three ballyhoo inside the annular buffers with the screwdriver . These plugs sit in a trigon around the clench . Unscrew the three screws ride underneath the plugs . take out the rear handle out of the locomotive . Pull off the front grip .
Step 9
Remove the little nookie , which sits above the oil suction hose and underneath the front handle , with the screwdriver . Pull the rubber eraser connector out of the crude pump and suck hose using the needle - nosed plier . pluck the suction hosiery and pickup body out of the oil color tank with the phonograph needle - nosed pliers .
Step 10
Fit the oil ticker initiation instrument to the eager on the annular buffer store from the interior . Screw the fork forefront on the installation tool into the oil pump . promote the lever tumbler on the shaft into the fork drumhead . Fasten them together with the connecting pin . draw the lever tumbler up to slip the oil colour ticker out of its housing .
Step 11
Disassemble and clean the oil color pump . Check for any damage . Replace all of the seals on the ticker housing . scrutinize the piston caliber for great wear . put back part as necessary . Reassemble and reinstall these parts in reverse order .
Warning
Before making any of these repairs , drain and strip the petroleum tank . go out any major repairs on the oil pump to an experienced mechanic if you are not qualified to repair it yourself .
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