Filling The Oil Reservoir - Craftsman CMCCS620 Instruction Manual

English
2. To adjust saw chain tension, flip up locking tab and
rotate the bar adjust locking knob
one full turn. Rotate the chain tensioning knob
9 clockwise until the chain tension is correct as
instructed above.
3. Do not over-tension the chain as this will lead to
excessive wear and will reduce the life of the bar
and chain.
4. Once chain tension is correct, securely tighten bar adjust
locking knob.
nOTE: The bar adjust locking knob has a detent tightening
system. The sprocket cover is secure after three audible
clicks are heard. Further tigtening is not required.
5. When the chain is new, check the tension frequently
(after removing battery) during the first 2 hours of use as
a new chain stretches slightly.
Fig. E
1/8" (3 mm)
Replacing the Saw Chain (Fig. A, F)

CAUTION: Sharp chain. Always wear protective
gloves when handling the chain. The chain is sharp
and can cut you when it is not running.

WARNING: Sharp moving chain. To prevent
accidental operation, ensure that battery is removed
from the tool before performing the following
operations. Failure to do this could result in serious
personal injury.
1. Flip up locking tab and rotate the bar adjust locking
knob counterclockwise to release chain tension.
8
2. Remove sprocket cover
Guide Bar and Saw Chain section.
3. Lift the worn saw chain
guide bar .
4
4. Place the new chain in the slot of the guide bar, making
sure the saw teeth are facing the correct direction by
matching the arrow on the chain with the graphic on
the sprocket cover 6
5. Follow instructions for Installing the Guide Bar and
Saw Chain.
Fig. F
10
8 counterclockwise
5
4
6 as described in Installing the
out of the groove in the
5
shown in Figure F.
Replacement chain and bar are available from your
nearest authorized service center.
• This chain saw requires replacement 12" (305 mm) chain
CMZCSC12. Replacement 12" (25.4 mm) bar CMZCSB12.
Saw Chain and Guide Bar Oiling (Fig. G)
Auto Oiling System
This chain saw is equipped with an auto oiling system that
keeps the saw chain and guide bar constantly lubricated.
The oil level indicator 10
chain saw. If the oil level is less than a quarter full, remove
the battery from the chain saw and refill with the correct
type of oil. Always empty oil tank when finished cutting.
nOTE: Use a high quality bar and chain oil for proper saw
chain and bar lubrication. As a temporary substitute, a non-
detergent SAE30 weight motor oil can be used. The use of
a vegetable based bar and chain oil is recommended when
pruning trees. Mineral oil is not recommended because it
may harm trees. Never use waste oil or very thick oil. These
may damage your chain saw.

Filling the Oil Reservoir

1. Unscrew counterclockwise and then remove the oil cap
16 . Fill the reservoir with the recommended bar and
chain oil until the oil level has reached the top of the oil
level indicator 10 .
2. Refit the oil cap and tighten clockwise.
3. Periodically switch the chain saw off and check the oil
level indicator to ensure the bar and chain are being
properly oiled.
Fig. G
10
Transporting Chain Saw (Fig. A, H)
• Always remove the battery from the tool and cover the
guide bar 4 with the guide bar cover
when transporting the saw.
• Engage chain brake by pushing chain brake/front hand
guard 3 forward.
Fig. H
shows the level of the oil in the
16
11 (Figure H)
11