1.
2.
Loosenbar nuts until they are finger tight
against the clutch cover.
Turn adjusting screw clockwise until chain
solidly contacts bottom of guide bar rail.
Clutch
Cover
Adjusting
Screw
Adjusting Pin
Lower
Hole
3.
4.
Using bar tool, roll chain around guide bar
to ensure all links are in bar groove.
Guide Bar
Lift up tip of guide bar to check for sag.
Releasetipofguidebar,thenturnadjust-
12.
Install bar nuts and finger tighten only.
Once the chain is tensioned, you will
need to tighten bar nuts.
ingscrew 1/ turnclockwise. Repeatun-
4
til sag does not exist.
Adjusting Screw -- 1/4 Turn
CHAIN TENSION (Including units
with chain already installed)
WARNING: Wear protective gloves
whenhandlingchain. Thechainis sharpand
can cut you even when it is not moving.
5.
While lifting tip of guide bar, tighten bar
nuts securely with the bar tool.
NOTE:
When adjusting chain tension,
make sure the bar nuts are finger tight only.
Attemptingto tensionthe chainwhen thebar
nuts are tight can cause damage.
Checking the tension:
Bar Nuts
Use the screwdriver end of the chain adjust-
ment tool (bar tool) to move chain around
guidebar.Ifthechaindoes notrotate,itistoo
tight. Ifthechainis tooloose,itwillsagbelow
the bar.
6.
7.
Usethescrewdriver endofthebar toolto
move chain around guide bar.
Guide
Bar
If chain does not rotate, it is too tight.
Slightly loosenbar nutsandloosenchain
by turning the adjusting screw 1/
turn
4
counterclockwise. Retighten bar nuts.
If chain is too loose, it will sag below the
guidebar.DO NOToperatethesaw ifthe
chain is loose.
8.
Chain Adjustment
Tool
Bar Nuts
Adjusting
Screw
WARNING
(Bar Tool)
: If the saw is operated
with a loose chain, the chain could jump off
the guide bar and result in serious injury.
Adjusting the tension:
Chain tension is very important. Chains
stretch during use. This is especially true
during the first few times you use your saw.
Always check chain tension each time you
use and refuel your saw.
WARNING: Muffler is very hotduring
and after use. Do not touch the muffler or al-
low combustible material such as dry grass
or fuel to do so.
OPERATING YOUR UNIT
BEFORE STARTING ENGINE
filled. Lack of oil will quickly ruin the bar and
chain. Too little oil will cause overheating
shownby smokecomingfromthechainand/
or discoloration of the bar. Only use Bar and
Chain Oil for bar and chain lubrication.
WARNING: Be sure to read the fuel
informationinthesafety rules before yoube-
gin.Ifyoudonotunderstandthesafetyrules,
do not attempt to fuel your unit. Contact an
authorized service dealer.
BAR AND CHAIN LUBRICATION
The bar and chain require continuous lubri-
cation. Lubrication is provided by the auto-
matic oiler system when the oil tank is kept
FUELING ENGINE
WARNING: Remove fuel cap slowly
when refueling.
This engine is certified to operate on unleaded
gasoline. Before operation, gasoline must be
8
| Categories | Chainsaw Manuals, McCulloch Chainsaw Manuals |
|---|---|
| Tags | McCulloch M838 |
| Model Year | 2009, 2010 |
| Download File |
|
| Language | English |
| Product Brand | McCulloch. Support Phone for US: Wheeled (Mowers, Tractors, Tillers, Snow Throwers) - 1-800-849-1297
McCulloch Handheld (Chainsaws, Trimmers, Blowers, Edgers) - 1-800-554-6723 All McCulloch Products - 1-800-521-8559, Chainsaw |
| Document File Type | |
| Publisher | mcculloch.com |
| Wikipedia's Page | McCulloch Motors |
| Copyright | Attribution Non-commercial |
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