
15
Figure 30
for HBD-46R (DYM1666)
Your mower is equipped with a central height adjustment lever offering 10 height positions.
Height
means
distance of blade to ground.
It can be adjusted from 25 mm to 75 mm (10 height positions)
(fig 31).
1. Stop the mower before changing the cutting height
2. The central height adjustment lever offers you 10 different height positions.
To change the height of cut, squeeze the adjustment lever towards the wheel and move it left or right along
the scale to your to selected height..
Figure 31
7. MAINTENANCE INSTRUCTIONS
Good maintenance is essential for safe, economical and trouble-free operation. It is also necessary to maintain
the low emission level of the engine.
Remember that an authorized servicing dealer knows your engine best and is fully equipped to maintain and
repair it.
SPARK PLUG
Use only original manufacturer replacement spark plugs. For best results, replace the spark plug every 100
hours of use.
DG350:
Recommended spark plug
► Torch F6RTC or Torch F7RTC.
DG450 (DYM1P64FA):
Recommended spark plug:
► Torch F6RTC.
WARNING:
Incorrect spark plugs can cause engine damage.
For good performance, the spark plug must be properly gapped and free of deposits.
1. Disconnect the cap (part 10) from the spark plug, and remove any dirt from the spark plug area.
2. Use the spark plug wrench (accessory part A) to remove the spark plug.
3. Inspect the spark plug. Replace it damaged or corroded, if the sealing washer is in poor condition or if the
electrode is worn.
4. Measure the electrode gap with a suitable gauge. Refer to the table under point 4. If adjustment is needed,
correct the gap by carefully bending the side electrode.
1 - lowest
10- highest
1 - lowest
7 - highest