Truper PRETUL MOT-4520P Manual Del Usuario página 35

Bar and Chain Mounting
• Lift the bar with the chain and fix it to the chainsaw passing the mounting bolts (F) through the bar slot and the
loose-fitting space between the bar and the chain and around the brake (G) so that the sprockets fit into the spaces in the
cogwheel (H).
• Mount the housing. Double check you introduce the chain tension pin. Hand tighten the mounting nuts so that the bar
can move freely forward and backward until the chain tension pin fits into the bar lower orifice ( I ).
H
G
Tensing the Chain
• Use a flat screwdriver to turn the chain tension
screw (J) until the chain gets adjusted to the bar
without any looseness and with the traction links
inserted in the bar slot.
• Lift the cutting bar nose to verify if there is still some
looseness in the chain. If that is the case, turn again the
tension screw 1/2 turn. Repeat the procedure until there
is no looseness between the chain and the bar.
• Keep the cutting bar nose risen while tightening the
nuts with the key.
• To verify the chain is not too tight try moving it with
your hand. If the chain gets stuck or is difficult to move
loosen the mounting nuts again and turn the tension
screw only 1/4 of a turn. Lift the bar nose and tighten
the mounting nuts before checking back the chain tension.
• To check the tension in the chain when heat produced while cutting has
distended it, the flat nose of the combination key shall be inserted between the
bar lower side and one of the chain link to verify the looseness is 0,05" (A).
F
I
J
Right Tension with
A
a Distended Chain
0.05"
ENGLISH
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