Simplicity 1694433, 755, 555 Adjustments, Traction Drive Clutch ROD Adjustment, Initial Adjustment

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Adjustments

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 18) 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. Pull the two rods apart and tighten the shift rod hardware (B).

TRACTION DRIVE CLUTCH ROD 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 19).

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

3.Tighten lower hex nut securely. The unit should able to be pushed forward and back freely.

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 18. Speed Selector Linkage Adjustment

A.Ground Speed Lever

B.Shift Rod Hardware

C.Lower Shift Rod

Traction Drive

Clutch Rod

Adjustment

Hex Nuts

Traction Drive

Traction Drive Clutch Rod Spring

Bellcrank Arm

Figure 19. Traction Drive Clutch Rod Adjustment

Run-In Adjustment

1.After 5 hours of use, check for proper adjustment. Readjust clutch rod if necessary by increasing ten- sion on rod. A small amount of bellcrank arm move- ment is permissible if unit passes operating checks described in the Caution at left. Optimal adjustment provides 1/32" clearance between traction drive disc and rubber ring on friction disc when drive lever is released (see Figure 15 for friction disk loca- tion).

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Contents Print Vendor Instructions Operator’s ManualsPage OPERATOR’S Manual ModelsPage Table of Contents Safety Rules & Information Do NotSafety Rules ChildrenPreparation Maintenance and StorageTraining OperationNorth American Identification NumbersCE Identification TAG Markings CE ModelsNorth American Model Decals Safety DecalsGeneral CE Model DecalsCE Safety Icons & Compliance Specs Features, Controls, & Operation Features & Controls Control LocationsUnits with Optional Electric Start Engine ControlsStarting Controls Manual StartDeflector Controls Ground Speed ControlsAuger Control Scraper HeightOperation Checks Before Each START-UPStarting the Engine Engine Speed Operating the SnowthrowerGround Speed Selector Deflector Scraper BAR & Skid ShoesKlik-Pin Outer Hole FREE-WHEELING Traction Drive LockAfter Each USE Checking Tire Pressure RegularSchedule Check Auger Gear Case LubricationLubrication Check / Lubricate FREE-HAND LinkageStarting After Long Term Storage StorageLong Term Storage Longer than 30 Days Engine starts hard or runs poorly TroubleshootingEngine fails to start Auger does not rotateAuger rotates, but snow is not Scraper bar does not clean hardAuger does not stop when auger Thrown far enoughInitial Adjustment AdjustmentsTraction Drive Clutch ROD Adjustment Run-In AdjustmentAdjustment Screw Discharge Chute Worm Assembly AdjustmentWorm Assembly Discharge ChuteRelease Auger Control. Auger must stop within 5 seconds Auger Drive Clutch ROD AdjustmentDrive Belt Adjustment Belt Cover Checking Auger Belt & Belt Guide AdjustmentsAdjusting Auger Drive Belt Adjusting Auger Belt Guide Adjustments & ServiceDrive Belt Replacement Traction Drive Belt ReplacementService Auger Drive Belt ReplacementPins Roller Chain ReplacementShear PIN Replacement Keeper linkEngine SpecificationsDimensions ChassisTechnical Manuals Replacement PartsMaintenance Items

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