Traction Drive Belt Replacement; Attachment Drive Belt Replacement - Ariens snow-thro 924124-128 Service Manual

IMPORTANT: DO NOT over fill. Oil level must not
exceed Full (F) mark.
Engine Oil Type
SAE 5W30
Below 40
SAE 30
Above 40
4. Replace dipstick and cap. Clean up any spilled oil.
Engine Oil Change
Change oil after first 5 hours of operation, thereafter
change oil every 25 hours (more often if required).
NOTE: Run engine just prior to changing oil. Warm oil
will flow more freely and carry away more contamina-
tion.
1. Drain crankcase by removing oil drain plug (see
Engine Manual).
2. When oil has drained replace plug and refill engine
crankcase with new oil of proper grade.
3. Recheck oil level with dipstick.
4.10 TRACTION DRIVE BELT
REPLACEMENT
NOTE: Housing and frame must be tipped apart and
attachment drive belt removed from engine sheave in
order to change traction drive belt.
1. Remove attachment drive belt (see Attachment
Drive Belt Replacement).
2. Pull idler away from traction drive belt and remove
belt from idler pulley, engine sheave and driven
pulley (it may be necessary to turn engine pulley
using recoil handle).
NOTE: To gain clearance, engage traction clutch and if
necessary pull back attachment idler arm clevis pin.
3. Install new traction drive belt onto attachment
pulley and engine sheaves.
4. Replace attachment drive belt (see Replace
Attachment Drive Belt.)
4.11 ATTACHMENT DRIVE BELT
REPLACEMENT
Remove old attachment drive belt:
1. Shut off engine and allow to cool completely.
2. Remove belt cover (Figure 7).
3. Remove spring clip from chute crank to remove
chute crank.
IMPORTANT: Disconnect remote cap deflector and/or
electric chute wire harness (if equipped) before
proceeding.
4. Loosen cap screws and carefully rotate belt fingers
away from belt and sheave (Figure 8).
Ambient Temperature
o o
F (4 C)
o o
F (4 C)
IMPORTANT: Use care when rotating the belt fingers.
DO NOT bend belt fingers out of shape.
5. Remove attachment drive belt from engine sheave
(it may be necessary to turn engine sheave using
recoil starter handle).
IMPORTANT: To avoid bending bottom cover when
tipping unit apart, support handlebars firmly or tip unit
up on housing and remove bottom cover by removing
four cap screws before separating unit.
6. Support Sno-Thro frame and housing.
1
1. Pivot Pin
2. Housing Cap Screws
3. Belt Cover
4
3
2
1
5
1. Traction
Belt Idler
2. Cap Screw
3. Belt Finger
4. Traction Drive Belt
5. Attachment Belt Idler
CAUTION: Always support Sno-Thro frame
and blower housing when loosening the cap
screws holding them together. Never loosen
cap screws while unit is in service position.
7. Remove cap screws securing housing to frame
(one on each side). Tip housing and frame apart
on pivot pins (Figure 7).
4 - 17
2
3
Figure 7
6. Attachment Drive Belt
7. Engine Shieve
8. Attachment Pulley
9. Attachment Idler
Adjustment Nut
Figure 8
OS0792
6
7
8
9
OS3000