Husqvarna 340i Workshop Manual page 17

5. Remove the power trigger.
6. Pull out the recoil spring from the power trigger.
7. Make sure that there is tension in the recoil spring.
Replace the recoil spring if it is necessary.
5.5.2 To assemble the power trigger (digital user
interface)
1. Make sure that there is tension in the recoil spring.
Replace the recoil spring if it is necessary.
2. Put the recoil spring in the power trigger.
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3. Install the power trigger.
4. Make sure that the switch lever is above the switch
engage pin on the power trigger.
5. Make sure that the power trigger lockout has no
defects. Replace the power trigger lockout if it is
necessary.
6. Install the power trigger lockout.
Repair instructions - 17