SL7 1TB
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
Note:
When replacing the guide bar and chain, always use the specified bar and
chain.
Wear gloves when handling the chain and bar. These components are sharp and
may contain burrs.
1.
Press in on the clutch cover lock knob and rotate counter clockwise until the
clutch cover can be removed.
2.
Remove the bar and chain from the mounting surface.
3.
Remove the old chain from the bar.
4.
Lay out the new saw chain in a loop and straighten any links. The cutters should
face in the direction of chain rotation. If they face backwards, turn the loop over.
5.
Place the chain drive links into the bar groove as shown.
6.
Position the chain so there is a loop at the back of the bar.
7.
Hold the chain in position on the bar and place the loop around the sprocket.
8.
Fit the bar fl ush against the mounting surface so that the bar studs are in the
long slot of the bar.
9.
Replace the clutch cover ensuring that the adjusting pin in the clutch cover is in
the bar chain tensioning pin hole.
10.
Replace the clutch cover and rotate clutch cover lock knob just enough to hold
the cover in position.
Note:
The bar must be free to move for tension adjustment.
11.
Remove all slack from the chain by rotating the chain tension dial clockwise
until the chain seats snugly against the bar with the drive links in the bar groove.
12.
Lift the tip of the guide bar up to check for sag.
13.
Release the tip of the guide bar and turn the chain tension dial clockwise.
Repeat this process until sag does not exist.
14.
Hold the tip of the guide bar up and tighten the clutch cover lock knob securely.
The chain is correctly tensioned when there is no sag on the underside of the
guide bar, the chain is snug, but it can be turned by hand without binding.
Ensure that the chain brake is not set.
Note:
If chain is too tight, it will not rotate. Loosen the clutch cover lock knob by
pressing in and slightly rotating counter clockwise, then rotate the chain tension
dial counter clockwise. Lift the tip of the guide bar up and re-tighten the clutch
cover lock knob securely. Ensure that the chain will rotate without binding.
CHAIN MAINTENANCE
See Figures 45-47.
Check that the switch is in the “Stop” (0) position before you work on the saw.
Use only a low-kickback chain on this saw. This fast-cutting chain provides
kickback reduction when properly maintained.
JCB-CS38_960488008-01_Manual_final_ OEM licence.indd 27
JCB-CS38_960488008-01_Manual_final_ OEM licence.indd 27
12/3/2010 5:58:31 PM
12/3/2010 5:58:31 PM