Section 7 - Reduction Drive; Differential, Lockout, And Axle; Axle Bearings; Pinion, Shaft, And Sprocket - Ariens ST T8 Service Manual

7.1 DIFFERENTIAL, LOCKOUT, AND AXLE

Place unit in Upright Service Position.
1. 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.)
2. Remove roll pin that secures knob, spring and pin
to lockout hub.
3. Remove left hand axle from unit.
4. Remove roll pin from right hand axle, then remove
differential from axle while sliding axle from unit.
(Differential is serviced as a complete assembly.)
1
2
3

7.3 PINION, SHAFT, AND SPROCKET

Place unit in Upright Service Position.
1. Remove left hand rear wheel.
2. Remove the roll pins from pinion shaft. Note
position of washers and remove shaft from frame.
3. Check pinion and sprocket bushings as well as
other parts for wear or damage. Replace as
necessary.
4. Reassemble in reverse order.

SECTION 7 - REDUCTION DRIVE

1. Bearing Flange
2. Ball Bearing
3. Bearing Flange
4. Right Hand Axle
5. Left Hand Axle
6. Sleeve Bushing
5. Check left hand axle bushings and other parts for
wear or damage and replace as necessary.
6. Reassemble in reverse order.

7.2 AXLE BEARINGS

To remove axle bearings, remove axles per instructions
above.
Remove cap screws and lock nut that hold bearing
retainer and bearing on the frame.
Assemble in reverse order.
5
6
12
4
7. Sleeve Bushing
8. Pin
9. Compression Spring
10.Lockout Hub
11.Knob
12.Differential Assembly
Figure 14

7.4 REDUCTION SHAFT

Place unit in Upright Service Position.
1. Remove nuts and lock washers from ends of
reduction shaft.
2. Remove shaft and reduction sprocket from unit.
3. Check reduction sprocket bushings and other parts
for wear and damage. Replace as needed.
4. Reassemble in reverse order. Adjust chain
referring to Drive Chain Adjustment.
7 - 27
7
10
9
8
13.Cap Screw
14.Lock Nut
15.Roll Pin
13
14
11
15
PS0611