prime3 GCS41 Owner's Manual page 9

GCS41
If the brake malfunctions have the saw serviced. Do not use the saw with an inoperative brake.
GUIDE BAR AND CHAIN INSTALLATION
Before installing/removing the guide bar and chain, make sure that the device is unplugged from power
source. Set the chain brake in a vertical position.
Take special care when operating the chain – it is extremely sharp. It is recommended to use protective
gloves.
Before installing the chain and guide bar, check the setting of the direction of the teeth. The saw housing has
an indication of the correct direction.
To remove the chain:
Unscrew the cover holding nut. Remove the transmission cover. Loosen the chain by turning the counter-
clockwise tensioning screw as far as possible. Remove the guide bar and chain.
To install the chain:
Unscrew the cover holding nut. Remove the transmission cover. Loosen the chain by turning the counter-
clockwise tensioning screw as far as possible. Insert the chain into the guide bar groove, paying attention to
the direction of the teeth, so that it corresponds to the indication on the housing.
Put the guide bar and chain onto the fasteners so that the drive links of the chain are in the teeth of the drive
wheel, the screw head in the longitudinal hole of the guide and the pin of the sliding tensioner in the hole of
the guide.
It is recommended to change the position of the guide once every 5 hours of operation so that the upper
edge and the lower edge wear evenly.
Each time, check that the oil passage is clean and ensures free flow.
TENSIONING THE CHAIN
Before starting work, tension the chain. To do so, use the chain tension nut. Tension the chain clockwise.
Check that the chain is inside the slot of the guide.
Tighten the chain clamping screw clockwise until the chain is sufficiently tensioned. Then tighten the locking
nut.
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