Part of the John Deere Repair Manuals.
Need the factory data for your John Deere Z910A? This 716-page ZTrak™ Mower Technical Manual (OEM #TM109119) covers the full Z-series lineup: Z910A, Z920A, Z925A, Z925A EFI, Z930A, Z950A, Z960A, and Z970A. Inside you'll find wiring schematics broken out by harness configuration (standard, EFI-only, and convenience package), hydraulic schematics for the power train, and a full engine diagnostic section for both Kawasaki and Kohler EFI powerplants. You also get engine diagnostic test codes, a complete troubleshooting section for electrical and drivetrain faults, and page after page of torque specifications through the repair sections. Replace your primary air cleaner element every 250 hours; torque the rear mower deck hanger jam nut to 67 N·m (50 lb.-ft.) when reinstalling the deck. Your machine is down. Bookmarked and keyword-searchable, this PDF opens on any device so you can pull up the exact spec before you reach for a wrench.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 5-28 | Safety, Fuel and Lubricant, Machine Specifications |
| Engine Repair, Kawasaki | 29-197 | Repair FX651V and FX730V, Repair FX751V, FX801V, And FX850V, Repair FX921V and FX1000V |
| Engine Repair, Kohler Efi | 198-278 | Repair |
| Electrical Repair | 279-322 | Component Location, Wire Harness, Standard, Efi Only, Convenience Package |
| Power Train Repair | 323-362 | Component Location, Repair |
| Attachments Repair | 363-404 | Component Location, Repair |
| Miscellaneous Repair | 405-431 | Wheels, Operators Station, Roll Over Protective Structure, Miscellaneous |
| Engine Diagnosis, Tests, and Adjustments, Kawasaki | 432-500 | Component Location, Theory of Operation, Diagnosis, Tests and Adjustments |
| Engine Diagnosis, Tests, and Adjustments, Kohler | 501-525 | Theory of Operation, Diagnosis, Tests and Adjustments |
| Electrical Diagnosis, Tests, and Adjustments | 526-634 | Theory of Operation, Diagnosis, Engine Diagnostic Test Codes, Tests and Adjustments, Wiring Schematics |
| Power Train Diagnosis, Tests, and Adjustments | 635-660 | Transaxle Operation, Brake System Operation, Diagnose System Fails to Build Pressure, Diagnose Machine Will Not Drive Straight, Bleed Hydrostatic System, Adjust Tracking and Speed |
| Attachments Diagnosis, Tests, and Adjustments | 661 | Mulch on Demand (M.O.D.) Operation, PTO Clutch Operation, Diagnose Mower System, Adjust Mower Deck Cutting Height, Check and Adjust PTO Air Gap, Break-In PTO Clutch |
| Service Tools and Kits | 4 | Barbed Fitting, Battery Charger, Compression Gauge, Digital Pulse Tachometer, Fuel Pressure Kit, Lapping Tool |
| Section 10 | 5-28 | Safety, General Specifications |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Rear Mower Deck Hanger Jam Nut Torque | 67 N·m (50 lb.-ft.) | p. 688 |
| Oil Filter Nipple Torque | 28.5 N·m (21 lb.-ft.) | p. 217 |
| Traction Drive Belt Replacement Condition | if not in good condition, not broken, worn, frayed, glazed, or stretched | p. 641 |
| Crankshaft Total Indicated Runout | 0.05 mm | p. 33 |
| Cylinder Head Cap Screw Torque | 46 N·m | p. 34 |
| Carburetor Float Height | Parallel with carburetor body | p. 32 |
| Ignition Coil Air Gap | 0.2-0.4 mm | p. 477 |
| Z910A, Z920A, Z925A, Z930A, Z950A, Z960A, Z970A | ||
| Primary Air Cleaner Element Replacement Interval | every 250 hours | p. 45 |
| FX651V, FX730V | ||
| Engine Cylinder Compression (FX651V, FX730V) | 390 kPa | p. 477 |
| FX751V, FX801V, FX850V, FX921V, FX1000V | ||
| Engine Cylinder Compression (FX751V, FX801V, FX850V, FX921V, FX1000V) | 440 kPa | p. 477 |
| FX651V, FX730V, FX751V, FX801V, FX850V | ||
| Engine Oil Pressure (FX651V, FX730V, FX751V, FX801V, FX850V) | 294-588 kPa | p. 477 |
| FX921V, FX1000V | ||
| Engine Oil Pressure (FX921V, FX1000V) | 294-490 kPa | p. 477 |
