IntroductionProduct IdentificationSafetyOperatingReplacement PartsService IntervalsService LubricationService Engine - Models GX325 and GX335Service Engine - Model GX345Service TransmissionService SteeringService MowerReplacing Mower Drive (Primary) Belt Replacing Mower Deck (Secondary) Belt Checking for Bent Mower Blades Service ElectricalService MiscellaneousTroubleshootingStorageAssemblySpecificationsWarrantyJohn Deere Quality StatementService Record
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Service MowerRemoving Mower1. Start engine. Raise mower deck completely. 2. Park machine safely. (See Parking Safely in the SAFETY section.) 3. Turn mower depth control knob to "0" position. 4. 54C Mower Only - Rotate all mower wheels to allow mower deck to be rolled outward away from machine: b. Rotate mower wheel (B) 90° and align hole in wheel shaft with pin. c. Release pin to lock mower wheel in rotated position. 5. Start engine. Lower mower completely. 6. Stop engine and remove key.
a. Grasp and hold tension rod (C) securely. b. Disengage rod from retaining bracket (D). c. Move rod as far as possible toward rear wheel to remove all belt tension. 8. Hold tension rod in position (E) while removing drive belt. 9. Remove mower drive belt (F) from machine drive sheave (G) and mower drive sheave (H). 10. Move tension rod to the latched position. 11. Pull out and push down on lever (I) to release front lift rod assembly. Picture Note: 54C mower shown. 12. Remove front lift rod assembly (J) from machine and mower deck.
NOTE: It may be necessary to manually lift up on rear of mower deck to pull out J-pins. 13. Pull outward on J-pins (K) at both sides of mower to disconnect draft arms. 14. Start engine. Raise mower lift arms completely. 15. Stop engine and remove key. 16. Slide mower deck out from under machine. Installing Mower
1. Start engine. Raise mower lift arms completely. 2. Park machine safely. (See Parking Safely in the SAFETY section.) 3. 54C Mower Only - Make sure mower wheels (A) are rotated to allow deck to be rolled under machine. 5. Turn mower height control knob to "0" position. 6. Start engine and lower mower lift arms completely. 7. Stop engine and remove key. 8. Place lift arms between rear mower deck lift brackets and pull rear J-pin (B) out to attach brackets to lift arms on each side of mower. Picture Note: 54C mower shown. 9. Hook front lift rod assembly (C) into mower bracket. 10. Place front lift rod (D) into frame hooks so lever (E) is at left side of machine. Make sure rod is seated in frame hooks. 11. Push lever (E) up so pin on lever is locked in hole on left side of frame.
12. Remove drive belt tension rod (F) from bracket (G) and move rod all the way out toward you as far as it will go. 13. Hold tension rod in position (H) while installing drive belt. 14. Install mower drive belt (I) on machine drive sheave (J) and mower drive sheave (K).
15. Pivot the drive belt tension rod toward front of machine to tighten drive belt. Hook tension rod into bracket on mower. 16. Adjust mower level front-to-rear and side-to-side. 17. 54C Mower Only - Rotate mower wheels to operating position. 18. Adjust mower wheels for desired cutting height. Replacing Mower Drive (Primary) Belt1. Park machine safely. (See Parking Safely in the SAFETY section). 2. Lower the mower completely.
a. Grasp and hold tension rod (A) securely. b. Disengage rod from retaining bracket (B). c. Move rod as far as possible toward rear wheel to remove all belt tension. 4. Hold tension rod in position (C) while removing drive belt. 5. Remove mower drive belt (D) from machine drive sheave (E) and mower drive sheave (F). 6. Clean belt with a clean cloth. 7. Inspect belt for wear or damage. Replace as necessary. 8. Install belt on mower sheave and engine sheave. 9. Pivot the drive belt tension rod toward front of machine to tighten drive belt. Hook tension rod into bracket on mower. Replacing Mower Deck (Secondary) Belt1. Park machine safely. (See Parking Safely in the SAFETY section). 3. Remove locknuts securing belt shields (A). Remove belt shields.
4. Disconnect idler spring (B) from hook (C). 6. Clean upper mower deck and sheaves. 7. Inspect belt for wear and damage. Replace if necessary. Checking for Bent Mower Blades1. Place mower deck in mowing position. 2. Park machine safely. (See Parking Safely in the SAFETY section). 3. Measure distance (A) between blade tip and flat ground surface. 4. Rotate blade 180° and measure other blade tip. 5. Install new blade if the difference between the two blade tip measurements is more than 3 mm (1/8 in.). Servicing Mower BladesRemoving Mower Blades1. Raise or remove mower deck. 2. Park machine safely. (See Parking Safely in the SAFETY section.) 3. Block mower blade with a piece of wood to prevent it from spinning. 4. Loosen and remove bolt (A), washer (B), and blade (C). 5. Inspect blade condition. Sharpen, balance, or replace blades as necessary. Installing Mower Blades1. Make sure deflector cup (D) is seated properly between mower spindle and blade. 2. Position mower blade (C) with cutting edge towards the ground onto the mower spindle. 3. Install blade washer (B) with cup side toward the blade. 4. Install and tighten bolt (A) by hand until mower blade is in full contact (fully seated) with spindle. 5. Block mower blade with a piece of wood to prevent spinning. 6. Tighten blade bolt to 68 N·m (50 lb-ft). Sharpening Blades
· Sharpen blades with grinder, hand file, or electric blade sharpener. · Keep original bevel (A) when grinding. · Blade should have 0.40 mm (1/64 in.) cutting edge (B) or less. · Balance blades before installing. Balancing Blades
2. Put blade on nail in a vise. Turn blade to horizontal position. 3. Check balance. If blade is not balanced, heavy end of blade will drop. |
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