Ventrac LQ450 Owner/Operator's Manual & Parts List page 10

Tree farm mower
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OPERATION
Op er ating Tech niques and Tips:
Be sure to se lect or con firm that the mower is set to cut the height that you pre fer. The
cut ting height is con trolled by three pins; one on the front and two on the back. To
change cut ting heights, shut off the trac tor en gine and re move the key from the ig ni tion.
Re lease the ten sion on the at tach ment belt by dis en gag ing the PTO spring ten sion
lever. Pull the pin from the front of the deck and man u ally lift or lower the front of the
deck to the pre ferred cut ting height. Re peat the pro cess for the two back pins. En gage
the spring ten sion le ver to tighten belt and re in stall shields.
Never adjust cutting height with the
PTO engaged
Op er a tor must be sit ting on the trac tor seat be fore the PTO can be en gaged. Have the
en gine rpms be tween 2,000 and 3,000 be fore en gag ing the PTO switch. Near full en -
gine rpms (3,250 is rec om mended for most mow ing. If a good cut can be main tained
and there is suf fi cient power, re duc ing the rpms by 200 or 300 will re sult in better fuel
econ omy and re duc tion in wear-and-tear on the equip ment.
Travel to and from the area to be mowed should gen er ally be done with the mower
raised in trans port po si tion by the trac tor hy drau lics. This saves wear-and-tear on the
mower and need less scuff ing and roll ing over the var i ous sur faces be tween mow ing
jobs. Mod er ate speed should be used in trans port in or der to main tain con trol and re -
duce the shock load from un even ter rain. Dis en gage the PTO to pre vent air tur bu lence
over dusty sur faces and/or when trav el ing over rough ter rain.
When mow ing, al ways place the front hitch lift le ver in the float po si tion by mov ing it
forward un til the detent en gages. The le ver will stay in this po si tion af ter it en gages.
Wet or lush grass has some ten dency to build up un der the deck. Pe ri odic check ing, es -
pe cially if mow ing per for mance seems to be re duced, will let the op er a tor know if the
deck should be cleaned.
Blades should be kept in good con di tion. Sharp blades will in crease ef fi ciency and im -
prove the qual ity of cut.
Be very cautious when mowing slopes. The roll
cage option with a seat belt is recommended.
C-2

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