Raise front of deck and block. Install cupped blade washer C with cup side toward the blade. Before adjusting or servicing mower: · Disconnect spark plug wire s to prevent engine from starting accidently. Install mower deck and adjust mower belt tension, if necessary. Put wood blocks under each side of mower. Install deflector cup E on spindle.
Insure that the guide is seated into the hole. Remove spring locking pins and rear draft pins I , one on each side, from rear draft brackets J. Lift lever is under tension and can snap back when deck is removed. Position the deck so the rear draft arms A are between the guide rods B and the lift arms C. Raise deck by pressing the lift lever lock and pulling the mower deck lift lever to its highest point.
Check for proper routing and position of all belts. Check mower belt tension and adjust, if necessary. Servicing Mower Blades 38 and 46-Inch Decks Removing Mower Blades 1. Raise mower deck to gain access to mower blades. Remove wood blocks from under deck.
Assemble tension rod and recheck dimension D. Secure with spring locking pins. See Parking Safely in Safety Section. Brake to Pulley Distance should be: 2 - 3 mm 0. · Always wear safety eye protection when grinding. Position mower blade D with the cutting edge towards the ground onto the mower spindle. Put lift lever in lowest position, bringing deck down onto blocks.
· Distance D should be: 20 - 25 mm 0. Measure distance between blade tip and flat ground surface. Secure each draft rod with flat washer and spring locking pin J. Inspect belt for wear or damage; replace as necessary. Put lift lever in highest position. Spindle brake engagement must be checked and corrected every time the mower belt tension is adjusted. Before adjusting or servicing mower: · Disconnect spark plug wire s to prevent engine from starting accidently.
Before adjusting or servicing mower: · Disconnect spark plug wire s to prevent engine from starting accidently. If adjustment is required, turn nut C on end of brake rod D in correct direction to set brake at proper distance from pulley. Block mower blade with a piece of wood to prevent spinning and tighten cap screws to 56 N·m 41 lb-ft. Inspect blades; sharpen, balance or replace blades as necessary. · Always wear gloves when handling mower blades or working near blades.
Move lift lever to the highest position. Install belt in reverse order of removal. Lubricate cap screw threads lightly with a general purpose grease or oil. Parts We recommend John Deere quality parts and lubricants, available at your John Deere dealer. Measure distance from bracket A to washer B on tension rod C. . Technical manual includes clear information on troubleshooting existing and potential problems, to carry out maintenance and repair problem areas and equipment faults.
This lubrication is to prevent rusting and seizing. · All Other Regions: Your John Deere dealer. See Parking Safely in Safety Section. Block mower blade with a piece of wood to prevent it from spinning. Hold lift lever tightly when releasing from lock lower position. Insert rear draft pins F through rear draft arms and frame bracket from the outboard side. These are the numbers that you recorded in the Product Identification section of this manual.
Disengage mower blades and wait for all moving parts to stop. Reinstall belt guard s and tighten capscrews securely. Measure distance between other blade tip and flat ground surface. When you order parts, your John Deere dealer needs your machine serial number and engine serial number. · Always wear gloves while working on blades.