MTD 110-428R000 - Manual (Page 14)

bell washer which hold the blade and adaptei to the
engine crankshaft. Remove the blade and adapter from
the crankshaft.
If the blade or blade adapter needs replacing, remove
the two small bolts, lock washers and nuts whi :h hold
the blade to the adapter.
WARNING: Periodically inspect the blade
adapter for cracks, especially if yoi strike
a foreign object. Replace when necessary.
A
When sharpening the blade, follow the originci angle
of grind as a guide. It is extremely important th at each
cutting edge receives an equal amount of grinding to
prevent an unbalanced blade. An unbalanced bl ade will
cause excessive vibration when rotating at high speeds,
may cause damage to the mower and could break,
causing personal injury.
It is recommended that the blade always be rc moved
from the adapter for the best test of balance.
The blade can be tested by balancing it on a roui id shaft
screwdriver. Remove metal from the heavy side until
it balances evenly.
idapter
le inner
'icating
jts with
iOttle of
lumber Before reassembling the blade and the blade i
to the unit, lubricate the engine crankshaft and tl
surface of the blade adapter with light oil. Lub
the bolt holes, bolts and Inner surface of the m
light oil is also recommended. A 4 oz. plastic t
light oil lubricant is available. Order part i
737-0170. Engine oil may also be used.
When replacing the blade, be sure to install the blade
with the side of the blade marked “Bottom” pr with
part number) facing the ground when the movier is in
the operating position.
Blade Mounting Torque
Center Bolt and Blade Adapter Bolts:
375 in. lb. min., 450 in. lb. max.
To insure safe operation of your unit, all nuts a id bolts
must be checked periodically for correct tigh;ness.
DECK
The underside of the mower deck should be cleaned
after each use to prevent a buildup of grass cl ppings,
leaves, dirt or other matter. If this debris is all Dwed to
accumulate, it will invite rust and corrosion. End may
cause an uneven discharge of grass clippings at the
next cutting.
The deck may be cleaned by tilting the moiver and
scraping clean with a suitable tool (make ceitain the
spark plug wire is disconnected).
ENGINE
Refer to the separate engine manual for engine
maintenance instructions.
Maintain engine oil as instructed in the separate
engine manual packed with your unit. Read and follow
instructions carefully.
Service air cleaner every 25 hours under normal con­
ditions. Clean every few hours under extremely dusty
conditions. Poor engine performance and flooding
usually Indicates that the air cleaner should be ser­
viced. To service the air cleaner, refer to the separate
engine manual packed with your unit.
The spark plug should be cleaned and the gap reset
once a season. Spark plug replacement is recom­
mended at the start of each mowing season; check
engine manual for correct plug type and gap
specifications.
Clean the engine regularly with a cloth or brush. Keep
the cooling system (blower housing area) clean to per­
mit proper air circulation which is essential to engine
performance and life. Be certain to remove all grass,
dirt and combustible debris from muffler area.
OFF-SEASON STORAGE"
The following steps should be taken to prepare lawn
mower for storage.
1. Clean and lubricate mower thoroughly as de­
scribed in the lubrication instructions.
2. Refer to engine manual for correct engine storage
instructions.
3. Coat mower’s cutting blade with chassis grease
to prevent rusting.
4. Store mo\A/er in a dry, clean area.
NOTE: When storing any type of power equipment in
an unventiiated or metai storage shed, care shouid be
taken to rust-proof the equipment. Using a iight oii or
siiicone, coat the equipment, especiaiiy cabies and ail
moving parts.
HANDLE STORAGE
The handle may be placed in an upright position for
storage. Move hairpin clips to outer hole on weld pins.
See figure 1. Press outward on the bottom of the lower
handle and push forward. The handle will lock in this
position.
To place the handle in the operating position, remove
the starter rope from the rope guide bolt. Grasp the
lower handle at the bottom, press outward slightly and
tip the handle backward. Place the hairpin clips in the
inner holes. With the spark plug wire disconnected and
grounded, depress the blade control handle and pull
the starter rope out from the engine. Slip the starter
rope into the rope guide bolt.
14