5
Maintenance
Figure 5-2
5.
6.
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. Do not attempt
to sharpen the blade while it is still on the mower.
It is extremely important that each cutting edge
receives an equal amount of grinding to prevent an
unbalanced blade.
Figure 5-3
Rear Flap Replacement
WARNING
The rear flap is attached to the back of the mower deck,
and is designed to minimize the possibility that objects
will be thrown from the rear of the mower toward the
operator. If the rear flap becomes damaged, replace as
follows.
When removing
the cutting blade
for sharpening or
replacement, protect
your hands with a
pair of heavy gloves
or use a heavy rag to
hold the blade.
NOTE: Improper blade balance will result in excessive
vibration causing eventual damage to the engine and
mower. Be sure to carefully balance blade after sharpen-
ing. Possible damage resulting from blade unbalance
condition is not the responsibility of the manufacturer.
To remove the old rear flap, lift rear door, and press
5
-3.
2
. Remove flap from opposite hole and replace with new
NOTE: Always remove blade from the adapter for testing
flap following these steps in reverse order.
balance.
Off-Season Storage
An unbalanced blade
will cause excessive
vibration when rotat-
7.
8.
9.
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.
The following steps should be taken to prepare your lawn
mower for storage.
1
. Cthe lubrication instructions.lean and lubricate mower thoroughly as described in ing at high speeds. It
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.
may cause damage
to mower, and could
break causing per-
sonal injury.
2. oWr eg adrod neont hroesceo mtom celenadn t hyeo uurs uen oitf. a pressure washer
3. Rstorage instructions.efer to engine manual for correct engine
Install the blade adapter on the crankshaft with the
“
star” away from the engine. See Figure 5-2. 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.
4.
Coat mower’s cutting blade with chassis grease to
prevent rusting.
5.
Store mower in a dry, clean area. Do not store next to
corrosive materials, such as fertilizer.
NOTE: When storing any type of power equipment in
a poorly ventilated or metal storage shed, care should
be taken to rust-proof the equipment. Using a light oil or
silicone, coat the equipment, especially cables and all
moving parts of your lawn mower before storage.
10. 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
Cutting grass in sandy
soil condition causes
abrasive wear to the
blade.
must be checked periodically for correct tightness.
11
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals |
|---|---|
| Tags | MTD 400 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Lawn Mower |
| Product Type | Walk Behind Mower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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