Ariens 939 SNO-THRO 939001 User Manual
939 sno-thro
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Table of contents
Document Outline
- Introduction
- Safety
- Specifications
- General Maintenance & Adjustments
- 4.1 Controls and Features
- 4.2 Service Position
- 4.3 Stopping in an Emergency
- 4.4 Starting and Shutting Off
- 4.5 Fuel Tank
- 4.6 Pre-Start
- 4.7 Maintenance Schedule
- 4.8 Attachment Drive Belt Replacement
- 1. Shut off engine, remove key, disconnect spark plug wire and allow unit to cool completely.
- 2. Remove two screws securing belt cover to unit and remove belt cover.
- 3. Remove belt fingers by removing cap screws mounting belt fingers to engine (Figure 8).
- 4. Support Sno-Thro frame and housing.
- 5. Remove top two cap screws and loosen lower two cap screws holding blower housing to frame (one on each side).
- 6. Remove attachment drive belt from engine sheave (it may be necessary to turn engine sheave using recoil starter handle).
- 7. Separate housing from unit. Lower handlebar to floor.
- 8. Remove attachment drive belt from lower pulley.
- 4.9 Traction Drive Belt Replacement
- 1. Shut off engine, remove key, disconnect spark plug wire and allow unit to cool completely.
- 2. Remove attachment drive belt (See “Remove Attachment Drive Belt” on page 15).
- 3. Push the traction drive belt off the engine pulley toward the engine as shown in Figure 10.
- 4. Remove traction drive belt from the unit and discard.
- 5. Place new traction drive belt on engine pulley between the engine and pulley groove as shown in Figure 10.
- 6. Place new traction drive belt on transmission pulley
- 7. Push the new traction drive belt onto the grooves in the engine pulley.
- 8. Replace attachment drive belt (See “Traction Drive Belt Replacement” on page 16).
- 9. Check traction drive clutch adjustment. See “Traction Drive Clutch Adjustment” on page 19.
- 4.10 Shear Bolts
- 4.11 Tire Pressure
- Service and Adjustments
- HandleBars & Controls
- Engine
- Transmission
- Auger/Impeller
- Gear Case