Chain Oil; Filling The Oil Reservoir - Milwaukee HATCHET M12 FHS Operator's Manual

As saw chains are sharpened during their useful life,
they lose some of the low kickback qualities and extra
caution should be used.
1. Remove the battery pack.
3. Remove the drive cover by removing the guide
bar nuts using the adjustment tool.
4. Loosen the chain by turning the chain tensioning
screw counterclockwise with the adjustment tool.
5. Pull the guide bar off of the guide bar bolts
and unloop the chain from the drive hub.
CAUTION! Saw Chain is sharp.
6. Remove the chain from the guide bar groove.
CAUTION! Saw Chain is sharp. Inspect guide bar
for cracks or wear; replace if damaged.
7. Wrap the new or sharpened chain around the
guide bar in the direction indicated on the saw
.
8. Ensure the chain is properly set in the slot around
the entire guide bar.
9.
around the bolts.
Hub
10. Replace the drive cover.
11. Use the adjustment tool to rotate the chain ten-
sioning screw to increase tension (clockwise) until
the chain is snug around the guide bar.
• The tension is correct when the chain snaps back
after being pulled 3 mm (1/8") away from the
guide bar. No sag should be visible in the chain.
• Do not over-tension the chain - excess tension
will cause excessive wear and will reduce the
life of the chain and could damage the bar.
• New chains could stretch and loosen during
initial use. NOTE: Remove battery pack and
two hours of use.
12. Tighten the guide bar nuts securely.
WARNING
NOTICE
starting the pruning saw and when tank is less
than 1/4 full. Failure to oil the chain will cause
damage to the bar and chain.
each full battery discharge. Use a high quality chain
oil. The oil will keep the saw chain and guide bar
properly lubricated. Never run the saw without chain
oil. Keep the reservoir more than 1/4 full to ensure
the chain when storing to prevent rust. Always empty
the oil tank when storing to prevent leakage.
NOTE: It is recommended to use a vegetable based
chain oil when pruning trees. Mineral oil may harm
trees. Never use waste oil, automotive oil, or very
thick oils. These could damage the pruning saw.
1. Remove the battery pack.
2.
3. Unscrew the oil cap.
5. Tighten oil cap securely.
6. Repeat as needed during use.
7. Periodically check that the saw chain is lubricat-
ing correctly:
• With a full reservoir, hold the pruning saw with
Bolts
the tip of the guide bar pointing at a light-colored
surface
• Run the pruning saw for approximately 30
seconds.
• An oil line should become visible on the light
surface.
• If not, remove and clean the guide bar thor-
oughly. Ensure the guide bar sprocket (at the
tip) rotates freely.
• If the lubrication system still does not work
properly, contact a MILWAUKEE
facility.
Before transporting, always:
1. Remove the battery pack
2. Place the scabbard over the guide bar.
6

Chain Oil

Always remove battery pack before
changing or removing accessories.
Fill oil reservoir with chain oil
(76mL bottle is included) before

Filling the Oil Reservoir

Transporting Saw
® service