MTD Series 520 Thru 530 Betreibershandbuch PDF herunterladen (Seite 13)

The blade can be tested by balancing it on a round

shaft screwdriver. Remove metal from the heavy side

until it balances evenly. It is recommended that the

blade always be removed from the adapter when

testing for balance. Before reinstalling the blade and

the blade adapter to the unit, lubricate the engine

crankshaft and the inner surface of the blade adapter

with light oit.

Be sure to install the blade with end tips facing up

or the side of the blade marked "Bottom" (or with

part number) facing the ground when the mower is

in the operating position.

Slide the blade adapter onto the engine crankshaft.

Place the blade on the adapter. Be certain the

blade is aligned and seated on the blade adapter

flanges.

Place blade bell support on blade. Make sure the

notches on the blade belt support are aligned with

small holes in the blade.

Replace hex bolt and tighten hex bolt to torque: 450

in. lbs. min., 600 in. lbs. max.

NOTE: To ensure safe operation of your mower, the

blade bolt must be checked periodically for correct

torque.

Drive BeltRemovalAnd Replacement

Disconnect the spark plug wire and ground it

against the engine.

Drain the fuel tank or place a piece of plastic

beneath the cap to prevent gasoline leakage.

If unit istipped for easier access to belt, tip the

mower back on its side with the air filter side away

from the ground.

Transmission

Cover

_ Rivet

Figure 13

To get easier access to the belt, just securely place

the mower on raised blocks.

Remove the transmission cover by sliding off the

two plastic rivets with a screwdriver on each side of

cover. See Figure 13.

With the drive system in the disengaged position,

the belt can be lifted offthe transmission pulley.

See Figure 14.

Pull the belt from under the deck toward rear of unit

and through gap in cutting deck.

Transmission

Pulley

(

Belt_ Belt

Keeper

Figure 14

If belt can not be removed by slipping belt around

blade, then remove the blade following the steps in

the previous section. See Figure 15.

Slide new belt around engine pulley and through

gap in cutting deck.

Pull belt toward front of mower and around

transmission pulley.

Make sure belt is routed inside the belt keepers.

See Figure 14.

Reattach the transmission cover using the rivets

previously removed.

Reassemble blade and torque as instructed in

previous section.

Keeper Bracket

Figure 15

0ff-SeasonStorage

The following steps should be taken to prepare your

lawn mower for storage.

Clean and lubricate mower thoroughly as described

in the lubrication instructions.

IMPORTANT:We do not recommend the use of a

pressure washer or garden hose to clean your unit.

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