Belt Removal And Replacement - Yard Machines 232 series Owner's Manual

WARNING: Periodically inspect the blade
adapter for cracks, especially if you
strike a foreign object. Replace when
necessary.
When sharpening the blade, follow the original angle
of grind as a guide. It is extremely important that
each cutting edge receives an equa_ amount of grind-
ing to prevent an unbaJanced blade, An unbalanced
blade will cause e×cesslve vibration when rotating at
high speeds, may cause damage to the mower and
could break, causing personal injury.
The blade can be tested by baJancing it on a round
shaft screwdriver. Remove metaI from the heavy side
until it balances evenly. It is recommended that the
blade always be removed from the adapter for the
best lest of balance.
Before reassembling the blade and the blade adapter
1o the unit, lubricate the engine crankshaft and the
inner surface of the blade adapter with light oil (or
engine oil). Lubricating the bolt holes, bolts and inner
surf,ace of the nuts is also recommended.
When repine!rig the blade, be sure to install the blade
with the side of the blade marked "Bottom" Cot with
part number) facing the ground when the mower is Jn
the operating position
On units with the blade secured by one boll only, be
cedain the blade is aligned with and seated ontc 1he
blade support Then tighten the bolt securely
Blade Mounting Torque
Center Bog: 450 in Ibs. min., 600 in, Ibs. max.
Blade Adapter Bolts (if applicable): 200 in Ibs, rain.,
350 in. Ibs. max.
The spark plug should be cleaned and the gap reset
or_ee a season, Spark plug replacement is recom-
mended at the start of each mowing season; check
engine manual for correct plug type and gap speeffi
cation&
Clean the engine regularly with a cloth or brush.
Keep the cooling system (blower housing area) clean
to permit proper air circulation which is essential to
engine pert€finance and life. Be certain to remove aJJ
grass, dJtt and combustible debris from muffler area.
BELT REMOVAL AND REPLACEMENT
1. Disconnect the spark plug wire and ground it
against the engine
2. Drain the fuel tank or place a piece of plastic
beneath the cap to prevent gasoline leakage.
3. Remove the transmission belt cover by removing
three bolts See figure 13.
Belt Dover
Remove Bolts
Bolt
To ensure safe operation of your unit, all nuts and bolts
must be checked pedodieaJly for correct tightness.
DECK
The underside of 1he mower deck should be cleaned
after each use to prevent a buildup of grass clippings,
leaves, dirt or other matter, If this debris is allowed to
accumuJate, it will invite rust and corrosion, and may
cause an uneven discharge of grass clippings at the
next cutting
The deck may be cleaned by gfdng the mower and
scraping clean with a suitable tool (make certain the
spark plug wire is disconnected).
ENGINE
Refer to the separate engine manual for
engine
maintenance ingt ructJons,
Service air cleaner every 25 hours under normal con-
d[tions. Clean every few hours under extremely dusty
conditions. Poor engine performance and flooding
usually indicates that the air cleaner should be ser-
viced. To self, ice the air cleaner, refer to the separate
engine manual packed w;th your unit
Loosen
FIGURE 13.
4. Tip the mower back on its side Block securely.
5. Remove the center bolt which secures the blade
lethe crankshaft See figure 13. Remove the
blade, blade adapter and pulley half, Remove the
belt
6 Remove the inside belt guard by removing lwo
self-tapping screws. A 3/8" wrench is required
See figure 14.
7. Remove the belt from between the idJer pulley
and the belt guard on the idler pulrey bracket.
Refer to figure 16.
10