Agri-Fab 45-0491 Betriebsanleitung PDF herunterladen (Seite 20)

CAUTION:Beforeservicingoradjusting

thesnowthrower,shutofftheengine,remove

thesparkplugwire(s),settheparkingbrake

andremovethekeyfromthetractorignition.

REPLACING AUGER BELT

• Disengage the tractor's attachment clutch.

Lower the snow thrower to the ground.

Release the spring tension from the auger belt idler

arm on the bottom of the clutch/idler assembly.

Remove the auger drive belt from the clutch/idler

assembly and from the spiral auger housing.

Install new belt over top of large auger drive pulley

and under the two side idler pulleys. Twist the belt 1/4

turn to seat the "V" of the belt in the groove of each

idler pulley. Refer to figure 29 on page 16.

Assemble the belt onto the clutch/idler assembly.

ADJUSTING SKiD SHOES

The skid shoes regulate the distance between the

scraper plate and the plowing surface. When removing

snow from a gravel driveway or and uneven surface,

keep the scraper plate as high above the surface as

possible to prevent possible damage to the spiral

auger. On a blacktop or concrete surface, keep the

scraper plate as close to the surface as possible.

To adjust the skid shoes, raise the snow thrower off

the ground and place a block under each end of the

scraper plate. Loosen the six hex nuts securing the

skid shoes to the housing. Adjust the skid shoes up or

down and retighten the nuts securely. Adjust both skid

shoes to the same height to keep the housing and the

scraper plate level. See figure 33.

SHEAR BOLT AND

HEX LOCK NUT

SCRAPER PLATE

FIGURE 34

GEAR HOUSING

SKID SHOE

ADJUSTING LiFT HEIGHT, LEVELING

The snow thrower is equipped with two threaded lift

links for adjusting the lift height and leveling of the snow

thrower in the raised position.

TO ADJUST THE LIFT HEIGHT:

Raise the snow thrower to the highest position.

Check the clearance between the rear of the idler

bracket (item 24, page 22) and the lift shaft assembly

(item 1, page 24). A minimum 1/16" clearance in the

raised position is necessary to avoid possible damage

to the lift system.

To increase the lift height, tighten the nuts on the

bottom of both lift links equally until the maximum

lift height is obtained. The maximum lift height is

approximately 4 inches ground clearance for GT

tractors and 3 inches for YT tractors.

SKiD

SHOE

LEVEL WHEN RAISED:

To keep the snow thrower level in the raised position,

loosen the nut at the bottom of the lift link on the

high side of the snow thrower until the snow thrower

is approximately level. It is not critical that the snow

thrower be exactly level in the raised position, it will

level out when it is lowered to the ground.

FIGURE 33

SPIRAL AUGERS

The spiral augers are secured to the auger shaft

with two shear bolts and nylock nuts. The bolts are

designed to shear if an object or ice jams the augers.

• If the augers will not turn, check to see if the shear

bolts have sheared. See figure 34. Two replacement

shear bolts and nylock nuts have been provided with

the snow thrower. For future use order part number

710-0890A shear bolt and number 47810 nylock nut.

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