Ariens 924 User Manual download pdf (Page 36)

Reduction Drive

5.1 Introduction

WARNING: Gasoline is highly flammable

and its vapors are explosive. Handle with

care.

When unit is tipped to preform the service proce

dures in this section, remove enough fuel so that

no spillage will occur, block securely and remove

bottom cover.

WARNING: Remove wire from spark plug

before attempting any repair or adjust

ment procedures.

5.2 Differential, Lockout and Axle

Remove groove pin that secures lockout assembly

to left hand axle and lockout assembly from shaft.

(Pin is tapered and must be driven from small

end.)

Remove roll pin that secures knob, spring and pin

to lockout hub.

Remove L.H. axle from unit.

Remove roll pin from R.H. axle, then remove

differential from axle while sliding axle from unit.

(Differential is serviced as a complete assembly.)

Check L.H. axle bushings and other parts for wear

or damage and replace as necessary.

Assemble in reverse order.

On units with spur gear, to remove axle, remove

cotter pins that secure wheel hubs to axle, roll pins

from axle and parts from unit.

Check components for wear or damage and replace

as needed.

Assemble in reverse order.

5.3 Axle Bearings

To replace axle bearings, remove axles per above

instructions.

Remove cap screws and lock nuts that retain

bearing retainer and bearing on frame.

Assemble in reverse order.

5.4 Pinion, Shaft and Sprocket

Remove L.H. rear wheel per instructions in Speed

Selector and Wheels Section.

Remove the roll pins from pinion shaft. Note

position of washers and remove shaft from frame.

Check pinion and sprocket bushings as well as

other parts for wear or damage and replace as

necessary.

Assemble in reverse order.

5.5 Reduction Shaft

Remove nuts and lock washers from ends of reduc

tion shaft.

Remove shaft and reduction sprocket from unit.

Check reduction sprocket bushings and other parts

for wear or damage and replace as necessary.

Assemble in reverse order and adjust chain per

instructions in Drive Chain Adjustment.

5.6 Hex Shaft

Hold hex shaft on sprocket end with a wrench and

remove lock nut at outside of frame. Slide hex

shaft to center of frame until it clears sprocket and

remove 9 tooth sprocket.

To service hex shaft ball bearing, remove four lock

nuts from bearing flanges then flanges and bearing

from unit.

Check parts for wear or damage and replace as

necessary.

Assemble in reverse order being sure that washers

are in position at outside of bearing flanges.

5-4

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Ariens 924 User Manual Page 36

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