Hand Grip Heater - Husqvarna 340 Workshop Manual

Repair instructions
Hand grip heater on models 351G and
346XPG – removal
No heating or heating only in front hand grip
1
Remove the three bolts that secure the cover over
the front hand grip. Remove the cover.
2
Disconnect the leads from the switch and measure
the resistance, which should be 3–4 ohm. Replace
the front hand grip if the resistance is higher.
3
Push the switch back into place and reconnect the
leads.
4
Bolt the cover back onto the hand grip.
18
– English
Generator – troubleshooting
1
Remove the cylinder cover and free the switch from
the front hand grip using a screwdriver.
2
Connect a multimeter between the cylinder and the
black lead underneath the cover on the front hand
grip. The multimeter should show a resistance of 0.9–
1.3 ohm. If higher or lower, replace the generator.
Switch – troubleshooting
1
Remove the cylinder cover and free the switch from
the front hand grip using a screwdriver.
2
Connect a multimeter to the switch. The meter
should read over 1000 ohm with the switch in the
"0" position.
The meter reading should be no higher than 0.1
ohm with the switch in the "1" position.
Replace the switch if the readings are outside
these limits.
Rear hand grip heater not working
Check whether the heater element is faulty by
connecting the multimeter to the red lead under the
cover on the front hand grip and the black lead that is
bolted to the bottom of the carburettor (see page 19).
The meter should read 0.7–1.2 ohm. If the reading
is higher replace the heater element.
1
Release the four clips on the cylinder cover and
remove the cover. Twist off the air filter.
2
Undo the four bolts that fasten the starter assembly
to the crankcase and lift off the starter assembly.