CHAIN SAW NAMES AND
TERMS
Continued
Device that turns saw on and off. Squeezing
Trigger
trigger turns saw on. Releasing trigger turns saw off.
Process of cutting limb(s) from
Trimming (Pruning)
a living tree.
An upward cut from underside of log or
Undercut
limb. This is done while in normal cutting position
and cutting with top of guide bar.
Main body of chain saw.
Unibody
ASSEMBLY
Note: Some models are pre-assembled. Assembly
is not needed on these models.
See Saw Chain Tension Adjustment, pages 8 and 9.
WARNING: Cutting edges on chain
are sharp. Use protective gloves when
handling chain.
IMPORTANT: Do not clamp chain saw in
vise during assembly.
1. Lay chain out flat.
2. Loosen and remove guide bar nut and sprocket
cover.
3. Rotate guide bar retainer so that it is positioned
parallel to guide bar slot (see Figure 4).
4. Install guide bar onto saw body. Assemble cen-
ter slot of guide bar onto guide bar bolt and guide
bar retainer. Note: Make sure the head of the
guide bar retainer slides through the guide bar
slot as shown in Figure 4.
Drive
Sprocket
Figure 4 - Unlocking Guide Bar Retainer
113005
5. Rotate guide bar retainer 90 degrees as shown in
6. Place chain around drive sprocket, along top groove
7. Insert tab of sprocket cover into slot on unibody
8. Place guide bar nut, removed in step 2, on guide
Figure 5 - Locking Guide Bar Retainer
Guide Bar
Guide Bar Retainer
Positioned Parallel
to Guide Bar Slot
Figure 6 - Saw Chain Direction
7
Figure 5.
of guide bar, and around guide bar nose. Note:
Make sure cutting edges of chain are facing in right
direction. Position chain so cutting edges on top of
guide bar face guide bar nose (see Figure 6 and
indicator on side cover of saw).
CAUTION: Do not place chain on
saw backwards. If chain is backwards,
saw will vibrate badly and will not cut.
and rotate sprocket cover onto guide bar bolt un-
til sprocket cover rests against guide bar (see Fig-
ure 7, page 8).
bar bolt.
IMPORTANT: Tighten guide bar nut finger tight
only.
Drive
Sprocket
Guide Bar
Guide Bar Retainer
Rotated 90 Degrees
to Guide Bar Slot
Towards Guide Bar
Nose
Cutting Edge
Continued
www.desatech.com