Operation - Husqvarna 129RJ Operator's Manual

1. Attach the blade guard/cutting attachment guard (A)
onto the shaft and tighten with the bolt. (Fig. 25)
2. Install the drive disc (B) on the output shaft.
3. Turn the output shaft until one of the holes in the
drive disc aligns with the related hole in the gear
housing.
4. Put the hex key (C) in the hole to lock the shaft.
5. Put the blade (D), support cup (E) and support
flange (F) on the output shaft.
6. Install the nut (G). Torque the nut to 35-50 Nm
(26-36 ft/lb). Hold the shaft of the wrench near the
blade guard as much as possible. To tighten the nut,
you must turn the wrench in the opposite direction of
rotation.
Note:
Left hand thread.
To install blades and trimmer heads
WARNING:
guard for the blades. See
page 14 . A defective guard can cause
injury.
WARNING:
with a grass blade, first install the correct
handlebar, blade guard and harness .
WARNING:
safety chapter before you operate the
product.
Fuel
To use fuel
CAUTION:
cycle engine. Use a mixture of gasoline
and two-cycle engine oil. Make sure to use
the correct quantity of oil in the mixture.
Incorrect ratio of gasoline and oil can cause
damage to the engine.
Gasoline
CAUTION:
octane number less than 90 RON (87 AKI).
This can cause damage to the product.
CAUTION:
more than 10% ethanol concentration (E10).
This can cause damage to the product.
10
Only use the approved
Accessories on
If you operate the product

Operation

Read and understand the
This product has a two-
Do not use gasoline with an
Do not use gasoline with
WARNING:
blades correctly, it can cause injury.
1. Make sure that the lifted section on the drive disc/
support flange engages correctly in the center hole
of the blades.
2. Install the blades. (Fig. 26)
To assemble the cutting attachment
To attach the cutting attachment guard and the trimmer
head (straight shaft)
1. Attach the cutting attachment guard (A) to the shaft
with the bolt (L).
2. Attach the drive disc (B) to the output shaft.
3. Turn the output shaft until the hole in the drive disc
aligns with the hole in the gear housing.
4. Put a small screwdriver (C) in the hole to lock the
shaft. (Fig. 27)
5. Turn the trimmer head (H) counterclockwise to
tighten the trimmer head to the gearbox. (Left hand
threads.) (Fig. 28)
CAUTION:
This can cause damage to the product.
• Always use new unleaded gasoline with a minimum
octane number of 90 RON (87 AKI) and with less
than 10% ethanol concentration (E10).
• Use gasoline with a higher octane number if you
frequently use the product at continuously high
engine speed.
• Always use a good quality unleaded gasoline/oil
mixture.
Two-cycle engine oil
• Use only high quality two-cycle engine oil. Use only
an air cooled engine oil.
• Do not use other types of oil.
• Mixture ratio 50:1 (2%)
Gasoline
1 U.S. Gal.
1 UK Gal.
5 l
If you do not install the the
Do not use leaded gasoline.
Oil
77 ml (2,6 oz)
95 ml (3,2 oz)
100 ml (3,4 oz)
194 - 004 - 30.06.2022