Question about Husqvarna 450 e-series 18" Chain Saw

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Chain will not rotate; which part needs to be replaced?

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Try to turn the chain by hand--if moves freely, the clutch assembly under the cover may be overly oiled. Remove the bar and chain, then wash the clutch drum and shoes with carburetor spray cleaner. Make sure the chain brake is not set. Hope this helps!

Posted on Sep 13, 2010

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My Poulan Pro PP5020AV chainsaw brake is engaged & will not disengage. The chain continues to rotate. Any suggestions on how to fix?


If the chain continues to rotate than the chain brake IS Disengaged. When the chain brake is Engaged, the chain is locked. Any problems with the inbuilt safety features needs fixing by a Poulan engineer.

Sep 29, 2016 | Poulan Garden

1 Answer

Timing for a dodge


Check this on 1993 Dodge Truck Dakota 4WD 3.9L FI 6cyl

8_21_2012_7_10_32_pm.jpg

Fig. 5: Make sure the timing alignment marks are in line as shown-V6 and V8 engines



CHECKING TIMING CHAIN SLACK

This procedure applies to all models that use a timing chain.

See Figure 9

  1. Position a scale (ruler of straightedge) next to the timing chain to detect any movement in the chain.
  2. Place a torque wrench and socket on the camshaft sprocket attaching bolt. If the cylinder heads are installed on the engine, apply 30 ft. lbs. (41 Nm). If the heads are removed, apply 15 ft. lbs. (20 Nm) of force to the bolt and rotate the bolt in the direction of crankshaft rotation in order to remove all slack from the chain.
  1. While applying torque to the camshaft sprocket bolt, the crankshaft should not be allowed to rotate. It may be necessary to block the crankshaft to prevent its rotation.
  2. Position the scale over the edge of a timing chain link and apply an equal amount of torque in the opposite direction. If the movement of the chain exceeds 1 / 8 in. (3mm), replace the chain.



Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

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Aug 21, 2012 | 1993 Dodge Dakota

1 Answer

I have replaced the chain on my b/d chainsaw gk1630t and now the chain will not rotate.I have followed the instructions carefully and the sprocket is turning but when I put the cover back on the chain...


You have either over tightened your chain or you have not placed the bar onto it's proper position against the motor. Take apart again and check one more time . One other thing ,if when you remove the cover, look down the bar as if you were looking down a 2x4. If it's not in line with the gear that rotates the chain, then you have installed the bar incorrectly.GOOD LUCK.

Sep 09, 2011 | Black & Decker Black and Decker Mm575 18"...

1 Answer

When looking at the jeep liberty transmission from under neath should it oerfectly aligned or set crooked


Technically, timing chains are designed and built to last the entire life of the engine. So in theory, you should replace it only when it's broken. However, if the chain breaks while your engine is running, it could wreak considerable havoc, so waiting for a break isn't the best practical strategy. Before a timing chain breaks there are signs of wear, and it isn't hard to check for them. If your Jeep Cherokee is showing some of the signs, it is time to replace the timing chain.
    Timing Chain Function
  1. The timing chain connects the camshaft to the crankshaft via a gear system so that the top and bottom ends of the engine rotate together. If the timing chain has stretched and is skipping teeth, the timing will be thrown off badly, causing the Cherokee to run inefficiently, if at all. If the timing chain breaks altogether, the Jeep's engine will simply shut off, and many valve train components can be damaged in the process.
  2. Loose Chain
  3. Remove the distributor cap on the Cherokee's engine so that you can see the rotor. Then rotate the engine by hand with a wrench on the crank pulley very slowly. The rotor should begin to rotate with the engine almost immediately. If there is any delay, it is likely that the timing chain is stretched and needs to be replaced. Another way is to put a timing light on the Cherokee while the engine is idling, and watch the timing mark. If it wanders a few degrees in either direction, then the chain is probably stretched. Sometimes, a loose chain will cause a loud clicking, especially when the engine is cold and under power. The noise tends to go away once the engine warms up.


Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

Aug 17, 2010 | Jeep Liberty Cars & Trucks

1 Answer

Can i get instructions to download on how to change the chain on my homelite 33cc chainsaw with 14.35 chains


Got to homelite.com and input your model number.
WARNING:
When servicing, use only identical Homelite
replacement parts. Use of any other parts may
create a hazard or cause product damage.
WARNING:
Always wear safety goggles or safety glasses
with side shields during power tool operation or
when blowing dust. If operation is dusty, also
wear a dust mask.
GENERAL MAINTENANCE
Avoid using solvents when cleaning plastic parts.
Most plastics are susceptible to damage from
various types of commercial solvents and may be
damaged by their use. Use clean cloths to remove
dirt, dust, lubricant, grease, etc.
WARNING:
Do not at any time let brake fluids, gasoline,
petroleum-based products, penetrating
oils, etc., come in contact with
plastic parts. Chemicals can damage, weaken or
destroy plastic which may result in serious
personal injury.
LUBRICATION
All of the bearings in this product are lubricated with
a sufficient amount of high grade lubricant for the
life of the unit under normal operating conditions.
Therefore, no further lubrication is required.
REPLACING THE guide BAR AND
CHAIN
See Figures 34 - 43.
DANGER:
Never start the engine before installing the
guide bar, chain, clutch cover, and clutch drum.
Without all these parts in place, the clutch can
fly off or explode, exposing the user to possible
serious injury.
maintenance
Fig. 34
Fig. 35
Fig. 36
WARNING:
To avoid serious personal injury, read and
understand all the safety instructions in this
section.
n Always place the switch in the stop “ ” position
before you work on the saw.
clutch
cover
Run
Position
sprocket
Page 26 — English
cutters
bar
groove
chain drive links
Fig. 38
maintenance
chain rotation
chain drive links
Fig. 37
n Make sure the chain brake is not set by pulling
the chain brake lever/hand guard towards the
front handle to the run position.
NOTE: When replacing the guide bar and chain,
always use the specified bar and chain listed in
the Bar and Chain Combinations section later
in this manual.
n Wear gloves when handling the chain and bar.
These components are sharp and may contain
burrs.
n Press in on the clutch cover lock knob and rotate
counterclockwise until the clutch cover can be
removed.
n Remove the bar and chain from the mounting
surface.
n Remove the old chain from the bar.
n Lay out the new saw chain in a loop and
straighten any kinks. The cutters should face
in the direction of chain rotation. If they face
backwards, turn the loop over.
n Place the chain drive links into the bar groove
as shown.
n Position the chain so there is a loop at the back
of the bar.
n Hold the chain in position on the bar and place
the loop around the sprocket.
n Fit the bar flush against the mounting surface
so that the bar studs are in the long slot of the
bar.
n Replace the clutch cover ensuring that the
adjusting pin in the clutch cover is in the bar
chain tensioning pin hole and that both bar
studs are securely in their respective holes in
the clutch cover.
NOTE: The adjusting pin may need to be slightly
repositioned with the chain tensioning dial so
that it is aligned with the position of the bar chain
tensioning pin hole.
n Replace the clutch cover and rotate clutch
cover lock knob just enough to hold the cover
in position.
NOTE: The bar must be free to move for chain
tension adjustment.
n Lift the tip of the guide bar up to check for sag.
n Remove all slack from the chain by rotating the
chain tensioning dial clockwise until the chain
seats snugly against the bar with the drive links
in the bar groove.
n Release the tip of the guide bar and, if the chain
sags, turn the chain tensioning dial clockwise.
Repeat this process until sag does not exist.
n Hold the tip of the guide bar up and tighten the
clutch cover lock knob securely.

Jun 25, 2010 | Homelite Consumer Products 9.0 Amp, 14 In....

1 Answer

I need a diagram of timing chain replacement Thank You


During most engine rebuilds, a completely new timing assembly should be installed. If wear exists on any component, replacement of the entire assembly is necessary. Wear in the chain, gears, or sprockets means a timing lag, which results in poor engine performance.
The timing chain or belt is generally installed with the gears in their correct positions. Before installing a new chain, soak it in oil.
OHC (Overhead Cam) Engines
Some OHC engines use a chain drive; others use a belt drive. Removing the cover on some OHC engines that have timing chains is more difficult, because the cover often fits between the oil pan and the cylinder head. There are special procedures for replacing cam timing components in these engines.
Before a chain repair job, perform a leakage test on non-freewheeling engines to check for bent valves, so that an accurate repair estimate can be made.
OHV (Overhead Valve) Pushrod Engines
On many OHV pushrod engines, the crankshaft sprocket is installed on the crankshaft nose and the crankshaft is rotated to position piston #1 at TDC. At this point, a mark stamped onto the crankshaft sprocket is pointing directly upward (toward the camshaft).
The camshaft sprocket is then temporarily bolted to the cam and used to rotate the cam until a mark stamped on the cam sprocket is pointing directly downward (toward the crankshaft). The sprocket is then removed from the cam (without allowing the cam to rotate).
The timing chain is looped over the cam gear, the mark on the cam gear is positioned directly downward, and the chain is looped around the crankshaft sprocket. When the cam sprocket is attached to the cam, the timing marks on the crank and cam sprockets should be pointing toward one another. NOTE THIS IS FOR 2WD 4.0

May 22, 2010 | 2005 Nissan Pathfinder

1 Answer

Hello, I'm changin the timing chain of my c280 1995 and y lost the marks that y put when I remove the timing chain, please if some body can give me a diagram to see how I have to replace the new one, I...


hi
easy try to rotate crankshaft tdc and rotate ex and in sprocket until the small hole aline at top edge of the head and insert a small pin on both sprocket then put your chain around it and adjust your chain tensioner thats it.make sure to rotate your crankshaft 360 for stoppage

Mar 27, 2010 | 1995 Mercedes-Benz C-Class

1 Answer

The chain locked up with the engine running. noticed no oil in the oil chamber. what needs to be done?


The bar and chain got very hot. Try this:
  1. Remove the clutch cover, bar, and chain, clean the bar groove, any holes and passages on the rear of the bar (both sides, consider rotating the bar) Clean the saw oiler hole and channel. Insert a blunted, hooked piece of wire through the oil filler hole and pull the hose in the oil tank out. Pay attention to the screen or filter on the free end (clean or replace, difficult to determine serviceability). Start the saw and see if it oils when revved up.
  2. PUT ON GLOVES; completely remove the chain from the bar. Hold the bar horizontal and install the chain in the upper bar groove, (mark one of links) rotate the chain one complete revolution. If it rotates freely without catching or riding up in the groove you can reassemble your saw try it.
If my saw I would seriously consider replacing the bar and chain but I cannot see what damage has been done. HTH
Lou

Jan 14, 2010 | Husqvarna Chain Saw 20" Bar

2 Answers

The chain is stuck on chain saw. I can't loosen it, it will not rotate when motor is on and the motor will not turn over the blade is stuck


Try taking the chain guide off, so you can remove
the chain. This will free the stucked up chain.
Replace the chain guide, and the chain. Hope this will solve your problem.

Sep 23, 2009 | Homelite Consumer Products 9.0 Amp, 14 In....

1 Answer

Chain


you need a new chain & most likely sprockets. Motorcycle chains don't stretch evenly.

Nov 20, 2008 | 2004 Honda Fusion Type X

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