15
The oil level in the reverse gearbox can be checked with
pumping oil out and pouring a measured amount of it.
Recommended oil viscosity depending
on the ambient temperature:
• outside tempe14 °F (-10 °C) and below
SAE 5W30,
• outside tempe23 °F (-5 °C) and below
SAE 15W40,
• outside temperature -22 °F (-30 °C) and higher
SAE 75W90,
• outside temperature -4 °F (-20 °C) and higher
SAE 80W90.
!
Warning
Dispose of the oil in accordance with current
legislation.
8.9.2 Adjustment of the shift cable
If the shift cable of the reverse gearbox is sag or there are
difficulties with shifting gears, adjust the shift cable.
!
Warning
Operating the Snowdog with insufficient
adjustment of the shift cable will cause damage to
the reverse gearbox.
1. Shut down the engine. Switch the lever of the
reverse gearbox into the “
forward
” position.
8.8 Spark plug maintenance
!
Warning
Use only spark plugs recommended by
Briggs & Stratton. Using spark plugs with the
wrong heat grade can damage the engine.
1. Take the high-voltage wire connector off the spark
plug and unscrew the spark plug using a wrench.
2. Inspect the spark plug. If you find any cracking or
significant electrode wear, replace the spark plug.
3. Measure the gap between the electrodes. If the gap
needs to be fixed, bend the side electrode. The gap
should be 0.03 in (0.76 mm).
4. Check the condition of the washers. Engage the
spark plug with your hands preventing it from
thread misalignment.
5.
Screw the spark plug in. Tightening torque is 31 N·m.
!
Warning
Spark plugs shall be tightened. Otherwise, it can
lead to engine damage.
8.9 Reverse gearbox (if available)
8.9.1 Oil change
1. Unscrew the oil filling plug
(1)
of the reverse
gearbox.
2. Pump out the used oil from the reverse gearbox.
3. Fill the gearbox with the new oil and close the oil
filling plug.
!
Warning
Required amount of oil in the empty gearbox is
100 ml (3.38 fl. oz).
Required amount of oil when changing is 80 ml
(2.7 fl. oz).
1