MTD Yard Machines 1416NT Manuel De L'utilisateur page 13

MAINTENANCE AND REPAIR INSTRUCTIONS
INSTALL THE GUIDE BAR
CAUTION:
source before checking or adjusting the
chain saw tension.
These instructions are for replaciing a bar. The unit is
fully assembled when shipped.
Note: Always wear heavy gloves when handling the saw
chain.
1. Place the power unit on a flat surface.
2. Loosen knob (B) slightly by turning knob counter-
clockwise and then turn the chain tension ring (C)
counter-clockwise to relieve chain tension (Fig. 17).
3. To remove the sprocket cover (A), turn knob (B)
counter-clockwise. (Fig. 17)
4. Remove saw chain from around the guide bar and
the sprocket. Slide the guide bar, with tension plate
(D) attached, from the unit. (Fig. 18)
5. Remove screw (C) from the tension plate (D) to
remove it from the old bar and attach it to the new
bar. (Fig. 19)
C
Disconnect the chain
saw from power
C
B
A
Fig. 17
D
Fig. 18
D
Fig. 19
INSTALL THE SAW CHAIN
WARNING:
when handling the saw chain.
1. Spread the chain out with the cutting edges (E) of
the chain pointing in the DIRECTION OF ROTATION
(Fig. 20).
2. To fit the chain links into the groove on the guide bar,
turn the tension plate (D) counter-clockwise to the
end. Install the chain and bar on the power unit, turn
the tension plate (D) clockwise and then put the side
cover (A) on (Fig. 21).
3. Turn the knob clockwise, adjust the chain tension
ring (F) and then tighten the knob. See Saw Chain
Tension Adjustment P14.
4. After running the chain saw even for just 1 hour,
retensioning of the chain may be needed. Follow the
tension adjustment instructions in the next section.
13
Always use
protective gloves
E
Fig. 20
A
F
D
Fig. 21