McCulloch MAC 838 Assembly, Attaching The Bumper Spike, Attaching The Bar & Chain

Models: MAC 838

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ASSEMBLY

ASSEMBLY

Protective gloves (not provided) should be worn during assembly.

ATTACHING THE BUMPER SPIKE

The bumper spike may be used as a pivot when making a cut.

1.Loosen and remove the bar nuts and the clutch cover from the saw.

2.Attach the bumper spike with the two screws as illustrated.

ATTACHING THE BAR & CHAIN

(If not already attached)

ATTACHING THE BUMPER SPIKE WARNING: Recheck each assem- bly step if the saw is received assembled. Al- ways wear gloves when handling the chain. The chain is sharp and can cut you even when it is not moving!

1.Loosen and remove the bar nuts and the clutch cover from the saw.

2.Remove the plastic shipping spacer (if present).

Clutch cover

 

Bar nuts

Location of

 

shipping

 

spacer

Chain adjustment tool (Bar Tool)

3.An adjusting pin and screw is used to ad- just the tension of the chain. It is very im- portant when assembling the bar, that the pin located on the adjusting screw aligns into a hole in the bar. Turning the screw will move the adjustment pin up and down the screw. Locate this adjustment before you begin mounting the bar onto the saw. See following illustration.

Inside view of clutch cover

Adjustment located on clutch cover

4.Turn the adjusting screw by hand coun- terclockwise until the adjusting pin just touches the stop. This should allow the pin to be near the correct position.

5.Slide guide bar on bar bolts until guide bar stops against clutch drum sprocket.

Bar bolts

Guide bar

6.Carefully remove the chain from the pack- age. Hold chain with the drive links as shown.

Tip of

Bar

CUTTERS MUST FACE IN

DIIRECTION OF ROTATION

Cutters

Depth Gauge

Drive Links

7.Place chain over and behind clutch re- tainer, fitting the drive links in the clutch drum sprocket.

8.Fit bottom of drive links between the teeth in the sprocket in the nose of the guide bar.

9.Fit chain drive links into bar groove.

10.Pull guide bar forward until chain is snug in guide bar groove. Ensure all drive links are in the bar groove.

11.Now, install clutch cover making sure the adjusting pin is positioned in the lower hole in the guide bar. Remember this pin moves the bar forward and backward as the screw is turned.

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McCulloch MAC 838 instruction manual Assembly, Attaching The Bumper Spike, Attaching The Bar & Chain