909 PH1000, Инструкция по эксплуатации

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8. Check that the chain can be smoothly pulled around the
guide bar by hand and that it maintains contact with the
guide bar, top and bottom. To check tension, rotate the
chain to its tightest condition then suspend a 0.9kg weight
from the chain at the mid point of the underside of the
bar. The maximum distance between the driving links and
the bar should be 6.5mm.
Note. Ensure the unit is unplugged when making any
adjustments to the chain and bar.
CAUTION. A new chain will stretch after just a few minutes
of use. Check and, if necessary, re-adjust the chain tension.
A loose chain causes rapid wear to both the chain and the
guide bar and could derail causing a major safety hazard.
Connecting the drive head to the motor
The drive needs to be connected to the motor prior to use.
1. Locate the drive head over the motor drive shaft, and
rotate until screw hole align.
2. Use the screw and dished washer to tighten the drive
head to the motor.
Adjusting pole length
1. Lift the knob on the
coupler.
2. Pull the lower shaft till it in
a comfortable position.
3. Tighten the knob securely.
Adjusting the
shoulder strap
Adjust the shoulder strap so
that it is comfortable in use.