Yard Machines MTD1425NAV Operator's Manual page 14

MAINTENANCE AND REPAIR INSTRUCTIONS
REMOVING AND INSTALLING THE GUIDE BAR
CAUTION:
USE THE ORIGINAL STYLE BAR with the oil
passage hole (A) as illustrated in Fig. 17.
1. Make sure the Chain Brake
the DISENGAGED position (Fig. 17).
2. Remove the bar retaining nut (B1) and the screw (B2)
at rear of clutch cover (C). Remove clutch cover (C)
by pulling straight out, some force may be required.
(Fig. 18). Remove bar and chain.
3. To install bar, place the slotted end of the guide bar
over the bar bolt (F). Slide guide bar behind clutch
drum (G) until the guide bar stops (Fig. 19).
A
C
To ensure the bar and
chain receive oil, ONLY
®
lever is pulled back into
Fig. 17
B1
B2
Fig. 18
F
G
Fig. 19
INSTALLING A CHAIN
WARNING:
when handling the saw chain.
1. Spread chain out in a loop with cutting edges (A)
pointing CLOCKWISE around loop (Fig. 20).
2. Slip the chain around the sprocket (B) behind the
clutch (C). Make sure the links fit between the
sprocket teeth (Fig. 21).
3. Guide the drive links into the groove (D) and around
the end of the bar (Fig. 21).
NOTE: The saw chain may droop slightly on the lower
part of bar. This is normal.
4. Pull guide bar forward until chain is snug. Ensure all
drive links are in the bar groove.
5. Install the clutch cover. Make sure the chain does
not slip off of the bar. Install the bar retaining nut
hand tight and follow tension adjustment instructions
in the next section. Replace screw at rear of clutch
cover.
NOTE: The guide bar retaining nut is installed only hand
tight at this point because saw chain adjustment
is required. Follow instructions in Saw Chain
Tension Adjustment.
B
C
14
Always use
protective gloves
A
Fig. 20
D
Fig. 21