Shindaiwa 502s - Manual (Page 8)

8
Sprocket
Insert Chain Tensioner Pin
into the Hole
Saw Chain
WARNING!
Never operate this saw
without the clutch cover installed.
WARNING!
The cutters on the saw
chain are very sharp! Always wear
gloves when handling.
IMPORTANT!
Proper chain adjustment is essential for
maximum performance, chain life, and
operator safety. Always inspect chain ten-
sion before operating this saw!
To adjust chain tension in the field: 1.
Stop the saw and allow the guide bar
and chain to cool. Loosen both bar nuts
approximately 1-turn each, and then
perform steps 7-9 above. Never operate
the saw with a loose chain!
WARNING!
Inspect chain tension often
during operation, especially when
breaking in a new chain. A loose
saw chain can jump from the guide
bar, possibly causing serious per-
sonal injury!
Chain
Adjusting
Screw
Turn Clockwise to
Tighten the Chain
(extend the guide
bar)
Check the gap between chain side
plates and the bar rail
1/8” Max. (3
- 3.5 mm)
Re-Adjusting the Saw Chain
Assembly and Adjustments (continued)
Installing and Adjusting the Guide Bar and Saw Chain (continued)
Install the chain loop over the drive 5.
sprocket, and then align the chain
drive links within the guide bar groove.
Verify that the cutters are properly ori-
ented with cutter edges facing forward
on top of bar. If chain installation is dif-
ficult or if the chain appears too tight,
refer to step 8.
Install the clutch cover over the bar 6.
stud(s) and install the bar nut(s) finger
tight.
Place the saw on a flat surface and lift
7.
the bar nose slightly.
To adjust chain tension:
8.
Turn the chain tension screw clock- a.
wise to tighten the chain.
Turn the chain tension screw coun-
b.
ter-clockwise to loosen the chain.
While lifting the bar nose, tighten or
c.
loosen the adjusting screw until the
chain at mid-bar on the bottom of the
bar just contacts the guide bar rails.
Tighten the bar nut(s). The saw chain 9.
tension is correct when there is not any
slack on the bottom of the guide bar
but the saw chain can move freely.