CUTTING BLADE
Tip mower as specified in separate engine man-
ual. If it is not specified tip with carburetor up.
Remove the bolt and blade support which holds
the blade and adapter to the engine crankshaft.
Remove the blade and adapter from the crank-
shaft.
WARNING: Periodically inspect the
blade adapter for cracks, especially if
you strike a foreign object. Replace
when necessary.
For best results your blade should be sharp.
The blade may be resharpened by removing
it and either grinding or filing the cutting
edge keeping as close to the original bevel
as possible. It is extremely important that each
cutting edge receives an equal amount of
grinding to prevent an unbalanced blade. Im-
proper blade balance will result in excessive
vibration causing eventual damage to the en-
gine and mower. Be sure to carefully
balance blade after sharpening. The blade
can be tested for balance by balancing it on
a round shaft screwdriver. Remove metal
from the heavy side until it balances evenly.
Before reassembling the blade and the blade
adapter to the unit, lubricate the engine
crankshaft and the inner surface of the blade
adapter with light oil.
Install the blade
adapter on the crankshaft with the “star”
away from the engine. Refer to Figure 19.
Place the blade with the side marked bottom
(or with part number) facing away from the
adapter. Align the blade bell support over
the blade with the tabs in the holes of the
blade and insert the hex bolt. Tighten the
hex bolt to the torque listed below:
Blade Mounting Torque
Center Bolt 450 in. lb. min., 600 in.lb. max.
To insure safe operation of your unit, ALL
nuts and bolts must be checked periodically
for correct tightness.
CAUTION: Cutting grass in sandy
soil condition causes abrasive wear
to the blades.
After prolonged use, especially in sandy soil
conditions, the blade will become worn and
lose some of the original shape. Cutting effi-
ciently will be reduced and the blade should
be replaced. Replace with an approved fac-
tory replacement blade only. Possible
damage resulting from blade unbalance con-
dition is not the responsibility of the
manufacturer.
DECK
The underside of the 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 accumulate, it will invite
rust and corrosion, and may prevent proper
mulching.
The deck may be cleaned by tilting the mower
and scraping clean with a suitable tool (make
certain the spark plug wire is disconnected).
NOTE:
We do not recommend the use
of pressure washers or garden hose to
clean your unit. These may cause dam-
age to electric components, spindles,
pulleys, bearings, or the engine. The
use of water will result in shortened life
and reduce serviceability.
ENGINE
Refer to the separate engine manual for en-
gine maintenance instructions.
Maintain
engine oil
as instructed in the sep-
arate engine manual packed with your unit.
Read and follow instructions carefully.
Service
air cleaner
as per separate engine
manual under normal conditions. Clean ev-
ery few hours under extremely dusty
conditions. Poor engine performance and
flooding usually indicates that the air cleaner
should be serviced. 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 re-
placement is recommended at the start of
each mowing season; check engine manual
for correct plug type and gap specifications.
NOTE:
This spark ignition system
meets all requirements of the Canadian
Interference-Causing Equipment Regu-
lations.
16
Figure 19
Blade Adapter
Blade
Hex Bolt
Blade Bell
Support