Manuals / Snapper / Lawn and Garden / Lawn Mower

Snapper LT160H42FBV Adjustment & Repair, View From Underneath Tractor, 42” DECK SHOWN

Models: LT160H42FBV LT180H48FBV2 LT160H42FBV2

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Section 4 - ADJUSTMENT & REPAIR

WARNING

DO NOT attempt any adjustments, maintenance or service with the engine or blades running. STOP blades. STOP engine. Set brake. Remove key. Remove spark plug wire from spark plug and secure wire away from spark plug. Engine and components can be extremely hot. Avoid burns by allowing engine and components sufficient time to cool.

4.4.7.TRACTION DRIVE BELT REPLACEMENT 48” Mower Deck Removal (Continued From Previous Page)

9.Remove hair pin and flat washer from rear deck hanger bracket on both sides of tractor.

10.Make note of hole used in sector plates.

11.Slide sector plates off of rear deck hanger brackets. See Figure 4.29.

12.Slide deck from underneath machine.

SECTOR PLATES

RIGHT REAR

TRACTOR

FRAME

DISCONNECT SPRING

FROM FRAME

FIGURE 4.30
STATIONARY			TRANSMISSION
IDLER
PULLEYS			PULLEY

ENGINE	LOOSEN	TENSION
ENGINE	IDLER	TENSION
PULLEY	NUTS	IDLER

VIEW FROM UNDERNEATH TRACTOR

FIGURE 4.31

REAR DECK

HANGER BRACKETSREMOVE HAIR PIN & WASHER

42” DECK SHOWN

DRIVE BELT

TRANSMISSION PULLEY

TENSION

IDLER

FIGURE 4.29

13.Disconnect traction belt idler pulley spring from tractor frame. See Figure 4.30.

14.Loosen mounting nuts on traction drive belt tension and stationary idlers just enough to allow belt to clear belt guides. See Figure 4.31.

15.Remove traction drive belt from engine pulley top groove. Remove belt from transmission pulley.

16.Remove traction drive belt.

Traction drive belt replacement

1.Place new traction drive belt over transmission pulley and span to engine pulley.

2.Place belt into top groove of engine pulley.

3.Route belt through stationary and tension idlers. See Figure 4.32.

4.Make certain belt is within belt guides of idlers.

5.Attach tension idler spring to tractor frame.

STATIONARY

IDLER

STATIONARY IDLER

BRACKET

BELT GUIDE

STATIONARY IDLER

FIGURE 4.32

NOTE: When installing a new belt, make certain the stationary idler is mounted in the hole closest to the left hand side of the tractor.

6.Reinstall mower deck in reverse order of removal.

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Snapper LT160H42FBV Adjustment & Repair, View From Underneath Tractor, 42” DECK SHOWN, Traction drive belt replacement

Contents

MODELS Safety Instructions & Operator’s Manual forLAWN TRACTOR HYDROSTATIC DRIVE ELECTRIC CLUTCH SERIES F LT160H42FBV LT160H42FBV2 LT180H48FBV2PROTECTION AGAINST TIPOVERS IMPORTANT SAFETY INSTRUCTIONSPROTECTION FOR CHILDREN PREPARATIONIMPORTANT SAFETY INSTRUCTIONS MAINTENANCEOPERATION PREPARATIONTROUBLESHOOTING GUIDE TABLE OF CONTENTSIMPORTANT SAFETY INSTRUCTIONS CONTROLS Section 1 - FAMILIARIZATIONCOMPONENTS 2.2 OPERATOR’S SEAT ADJUSTMENT 2.2.1. FRONT TO REAR ADJUSTMENT Section 2 - OPERATING INSTRUCTIONS2.1 PRE-START CHECKLIST Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION 2.3.1. STARTING ENGINE2.3.3 STARTING MOWER BLADE Section 2 - OPERATING INSTRUCTIONS2.3 STARTING & OPERATION Continued 2.3.2. STARTING WHEEL DRIVE 2.4 STOPPING ENGINE, BLADE, WHEEL DRIVE 2.4.1 STOPPING ENGINESection 2 - OPERATING INSTRUCTIONS 2.4 STOPPING 2.4.3. STOPPING MOWER BLADESSection 2 - OPERATING INSTRUCTIONS 2.6. ROLLING TRACTOR WITH ENGINE OFF Rolling Hydro Models3.1 INTRODUCTION Section 3 - MAINTENANCE3.2 SERVICE - AFTER FIRST 5 HOURS 3.2.1. CHANGE ENGINE OILSection 3 - MAINTENANCE 3.2.4. CHECK DECK DRIVE BELT3. Clutch/Brake Pivot Section 3 - MAINTENANCE3.3.4. TRACTOR LUBRICATION Continued From Previous Page 4. Steering Sector Gear3.4.1. ENGINE Section 3 - MAINTENANCE3.4 ANNUALLY END OF EACH SEASON 3.4.2. FUEL FILTERSection 4 - ADJUSTMENT & REPAIR Section 4 - ADJUSTMENT & REPAIR 2. Move sector plate as required to raise or lower the rear of deckFRONT LIFT Section 4 - ADJUSTMENT & REPAIRPLACE THREE 2 X 4 UNDER FRONT AND REAR OF DECK FRONT LIFT ARMREMOVE WASHER & HAIR PIN ROTATE SWIVEL UP OR DOWN SWIVEL FRONT LIFT Section 4 - ADJUSTMENT & REPAIRREAR LIFT ROD REMOVE WASHER & HAIR PIN ROTATE SWIVEL UP OR DOWN RODDECK BRACKETSWIVELSection 4 - ADJUSTMENT & REPAIR To be properly adjusted, the brake should stopSection 4 - ADJUSTMENT & REPAIR 4.3.3. SHIFTER ADJUSTMENT Continued from pageDANGEROUS CONDITION DO NOT USE ON MOWER Section 4 - ADJUSTMENT & REPAIRNEW BLADE WEAR LIMIT. CRACKS OR NOTCHES BEGIN TO APPEAR 22º TO 28º STANDARD BLADESection 4 - ADJUSTMENT & REPAIR DECK/DRIVESection 4 - ADJUSTMENT & REPAIR 2. Turn engine “OFF”. Remove key 3. Lower the deck to lowest settingSection 4 - ADJUSTMENT & REPAIR 10. Make note of hole used in sector platesSection 4 - ADJUSTMENT & REPAIR VIEW FROM UNDERNEATH TRACTOR Section 4 - ADJUSTMENT & REPAIRTraction drive belt replacement 42” DECK SHOWNSection 4 - ADJUSTMENT & REPAIR 1. Place tractor on a firm level surfaceSection 4 - ADJUSTMENT & REPAIR REMOVE POSITIVE + CABLE LAST REMOVE NEGATIVE CABLE FIRST Section 4 - ADJUSTMENT & REPAIRREMOVE ADJUSTING KNOBS AND MOVE SEAT FORWARD Section 4 - ADJUSTMENT & REPAIR 4.5.5. BATTERY TESTINGSection 4 - ADJUSTMENT & REPAIR 2. Remove spindle pulley from spindle shaftACCESSORIES Section 4 - ADJUSTMENT & REPAIRAVAILABLE ACCESSORIES AVAILABLESECTION 5 - ELECTRICAL SYSTEM MODEL - LT160H42FBVMODELS - LT160H42FBV2 & LT180H48FBV2 SECTION 5 - ELECTRICAL SYSTEMPROBABLE CAUSE TROUBLESHOOTING GUIDEPROBLEM CORRECTIVE ACTIONTROUBLESHOOTING GUIDE TRACTOR MAINTENANCE SCHEDULEMAINTENANCE PARTS DRIVE BELTS3 YEAR LIMITED WARRANTY PRIMARY MAINTENANCE PRIMARY MAINTENANCE PRIMARY MAINTENANCE PRIMARY MAINTENANCE SERVICE NOTES LAWN TRACTOR HYDROSTATIC DRIVE ELECTRIC CLUTCH SERIES F Safety Instructions & Operator’s Manual forSnapper products are built using engines that meet or exceed all applicable emissions requirements on the date manufactured. The labels on those engines contain very important emissions information and critical safety warnings. Read, Understand, and Follow all warnings and instructions in this manual, the engine manual, and on the machine, engine and attachments. If you have any questions about your Snapper product, contact your local authorized Snapper dealer or contact Snapper Customer Service at Snapper, McDonough, GA. 30253. Phone