Husqvarna R419TsX AWD Workshop Manual page 40

Front wheel speed must be 0.95-1 of the rear wheel
speed.
Note: The difference between the wheel speeds is larger
when the product is new.
Time Procedure
New None
8h Check
25h Check
25h interval Check
1. Make sure the adjustment rod behind the left front
wheel is attached to the top hole of the front
transmission arm.
2. Put the product on the adjustment tool for wheel
Servicing tools on page 19 . To
speed (A). Refer to
prevent incorrect measure result 2 of the wheels
must touch the ground.
A
B
C
40 - Repair instructions
Value
0.92-0.95
0.95-1
0.95-1
0.95-1
D
3. Make sure that the wheels are parallel to the
adjustment tool for wheel speed.
Note: Do not turn the steering wheel during this
procedure.
4. Make a mark on the wheels on the adjustment tool
for wheel speed with reflective tape (B) or
equivalent.
5. Start the engine and let it warm up at full speed until
the wheel speed is stable.
WARNING: To start an engine in a closed
area with low airflow can result in death
because of asphyxiation or poisonous
carbon monoxide.
6. Measure the wheel speed with a tachometer (C) at a
maximum distance of 10 cm from the wheel (D).
Make a note of the rpm of the rear wheel at full
speed. Then measure the speed of the front wheel,
it must be between 0-5% lower than the rear wheel
speed.
7. Stop the engine.
8. Loosen the locknuts (A) to adjust the speed of the
wheels with the adjustment rod (B).
B
a) A longer rod makes the front wheels turn at a
higher speed.
b) A shorter rod makes the front wheels turn at a
lower speed.
9. Do a check that the adjustment is correct. If not, do
step 6 – 8 again.
10. Tighten the adjustment rod locknuts when the
adjustment is complete.
A
914 - 003 - 28.03.2019