Simplicity 1693763 860M manual Traction Drive System Adjustment, Speed Selector Pivot Adjustment

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Troubleshooting, Adjustments, & Service

TRACTION DRIVE SYSTEM

ADJUSTMENT

Speed Selector Pivot Adjustment

The Speed Selector is factory set for optimal perfor- mance at each forward and reverse speed setting. However, if drive system components have been replaced, adjustment may be necessary.

Adjust as follows:

1.Move the ground speed control (A, Figure 19) fully forward.

2.Loosen the hardware (B) securing the upper and lower shift rods.

3.Push the lower rod (C) down fully (into the housing).

4.Make sure the ground speed control (A) is in the full forward (5th gear) position. Tighten the shift rod hardware (B).

Traction Drive Clutch Rod & Spring Adjustment

INITIAL ADJUSTMENT

The traction drive clutch rod should initially be adjusted so that there is no slack in the rod when moved slightly from side to side, but bellcrank arm remains in fully down position. To adjust tension on the rod:

1.Loosen adjustment hex nuts (Figure 20).

2.Tighten bottom hex nut while holding rod. Tighten just until slack in rod is removed.

3.Tighten upper hex nut securely.

WARNING

Do not over-tighten, as this may cause traction drive to engage without depressing the traction Drive Control (bellcrank arm must remain in down position).

Verify that the rods are not over-tightened: With Speed Selector in position 1 and traction Drive Control fully released, push snowthrower forward. The unit should move forward freely.

If unit does not move forward freely, the rod has been over-tightened. To remedy, loosen tension on clutch rod slightly, and recheck.

A

B

C

Figure 19. Speed Selector Linkage Adjustment

A.Ground Speed Lever

B.Shift Rod Hardware

C.Lower Shift Rod

Adjustment

 

Hex Nuts

 

 

Traction

 

Drive

 

Clutch

 

Rod

Traction Drive

 

Bellcrank Arm

Traction Drive

 

Clutch Rod

 

Spring

Figure 20. Traction Drive Clutch Rod Adjustment

03

16

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Contents How to use this file...Operators Manuals Simplicity Technical Publications Department at 262This page Intentionally Blank OPERATOR’S Manual 860M LargeFrame SnowthrowerPage Table Of Contents Preparation Safety RulesGeneral Maintenance & Storage OperationSafety Decals Safety DecalsAuger Control Decal Discharge Chute Danger DecalSnowthrower Controls Engine ControlsControls Starting ControlsElectric Start Units Only All ModelsGround Speed Controls Auger ControlDeflector Controls Scraper Height ControlOperation Checks Before Each START-UPEngine Speed Starting the EngineOperating the Snowthrower Scraper BAR & Skid Shoes Ground Speed SelectorDeflector Klik-Pin Outer Hole FREE-WHEELING Traction Drive LockAfter Each USE Regular Maintenance Normal CareOFF-SEASON Storage Starting After StorageChecking Tire Pressure LubricationTroubleshooting, Adjustments, & Service TroubleshootingEngine fails to start Engine starts hard or runs poorlyScraper bar does not clean hard Auger does not stop when augerAuger rotates, but snow is not Thrown far enoughTraction Drive Clutch Rod & Spring Adjustment Traction Drive System AdjustmentSpeed Selector Pivot Adjustment Auger Drive System Adjustments Auger Drive Clutch Rod AdjustmentBelt Replacement Belt CoverShear PIN Replacement Belt Pattern as viewed from front of snowthrowerDischarge Control Adjustment Mounting NutsAuger Housing Overall Dimensions & WeightEngine Traction DriveSpecifications Common Replacement PartsAccessories Technical Manual Availability

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