Troy-Bilt OG-4905 Lawn Mower User Manual


 
LUBRICATION
CAUTION: DISCONNECT SPARK
PLUG WIRE BEFORE SERVICING.
WHEELS - If your mower is equipped with
ball bear ing wheels, lu bri cate at least once a
sea son with a light oil, all other types re quire
no lu bri ca tion. How ever, if the wheels are re -
moved for any rea son, lu bri cate the sur face
of the axle bolt and the in ner sur face of the
wheel with light au to mo tive oil.
ENGINE - Fol low en gine man ual for lu bri ca tion
in struc tions.
BLADE CON TROL - Lu bri cate the pivot points
on the blade con trol han dle and the brake ca ble
at least once a sea son with light oil. The blade
con trol must op er ate freely in both di rec tions.
TRANS MIS SION - The trans mis sion is
pre-lu bri cated and sealed at the fac tory. It
does not re quire check ing. If dis as sem bled
for any rea son, fill with 2 ounces of Alvania
grease, part num ber 737-0168.
MAINTENANCE
For best re sults your blade should be sharp.
The blade may be resharpened by re mov ing
it and ei ther grind ing or fil ing the cut ting
edge keep ing as close to the orig i nal bevel
as pos si ble.
Im proper blade bal ance will re sult in ex ces -
sive vi bra tion caus ing even tual dam age to
the en gine and mower. Be sure to care fully
bal ance blade af ter sharp en ing.
Af ter pro longed use, es pe cially in sandy soil
con di tions, the blade will be come worn and
lose some of the orig i nal shape. Cut ting ef fi -
ciency will be re duced and the blade should
be re placed. Re place with an ap proved fac tory
re place ment blade only. Pos si ble dam age re -
sult ing from blade un bal ance con di tion is not
the re spon si bil ity of the man u fac turer.
ENGINE
Re fer to the sep a rate en gine man ual for en -
gine main te nance in struc tions.
Main tain en gine oil as in structed in the sep a -
rate en gine man ual packed with your unit.
Read and fol low in struc tions care fully.
Un der nor mal con di tions ser vice air cleaner
as in structed in the sep a rate en gine man ual
packed with your unit. Clean ev ery few
hours un der ex tremely dusty con di tions.
Poor en gine per for mance and flood ing usu -
ally in di cates that the air cleaner should be
ser viced.
The spark plug should be cleaned and the
gap re set once a sea son. Spark plug re place -
ment is rec om mended at the start of each
mow ing sea son; check en gine man ual for cor -
rect plug type and gap spec i fi ca tions.
NOTE: This spark ig ni tion sys tem meets
all re quire ments of the Ca na dian In ter fer -
ence-Causing Equip ment Reg u la tions.
Clean the en gine reg u larly with a cloth or
brush. Keep the cool ing sys tem (blower hous -
ing area) clean to per mit proper air cir cu la tion
which is es sen tial to en gine per for mance and
life. Be cer tain to re move all grass, dirt and
com bus ti ble de bris from muf fler area.
DECK
The un der side of the mower deck should be
cleaned af ter each use to pre vent a buildup of
grass clip pings, leaves, dirt or other mat ter. If
this de bris is al lowed to ac cu mu late, it will in -
vite rust and cor ro sion, and may pre vent
proper mulch ing.
The deck may be cleaned by tilt ing the mower
and scrap ing clean with a suit able tool (make
cer tain the spark plug wire is dis con nected).
CUTTING BLADE
WARNING: Be sure to dis con nect
and ground the spark plug wire and
re move ig ni tion key be fore work ing
on the cut ting blade to pre vent ac ci -
den tal en gine start ing. Pro tect hands
by us ing heavy gloves or a rag to
grasp the cut ting blade.
Tip mower as spec i fied in sep a rate en gine
man ual. If it is not spec i fied tip with car bu re tor
up.
13
Fig ure 16
Hex Nut
Adjustable
Cable Bracket
Six Speed
Cable