This 208-page Takeuchi TB62 Workshop Manual covers the TB62 right down to the pump case, so you know exactly which line you're wrenching on before the covers come off. Inside you get full hydraulic circuit and electrical circuit diagrams, a dedicated hydraulic units section covering the main pump, control valves, and slew motor, plus a full troubleshooting library walking every no-power and no-travel complaint symptom by symptom. Torque the M10 bolts to 4.6 ~ 5.9 kgf-m (33.3 ~ 42.6 ft-lb), and check slew bearing backlash against the 60 ± 10 mm factory standard before you button the machine back up. No more guessing whether that backlash reading means a worn bearing or a bad measurement. This is a searchable PDF with bookmarks built in, so you jump straight to disassembly, hydraulics, or troubleshooting from your phone or tablet without hunting through 208 pages by hand.
What's Inside This Takeuchi TB62, TB68 Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 7-18 | Items of Caution During Disassembly and Reassembly, Items of Caution During Removal and Installation of the Hydraulic Units |
| Specifications | 19-48 | Specifications Diagram, Hydraulic Unit Specifications, Hydraulic Circuit Diagram, Electrical Circuit Diagram |
| Disassembly, Reassembly | 49-110 | Foreword, Example (If: G Is Being Disassembled, J Is Being Disassembled, B Is Being Disassembled, K Is Being Disassembled), Contents, External View, Disassembly and Reassembly |
| Hydraulic Units | 111-160 | Foreword, Contents, Structure |
| Troubleshooting | 161-208 | Entire Machine (All Operations: Not Possible, Possible, But There Is No Power) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| WORKSHOP MANUAL | TB62 | p. 1 |
| Bolts and Nuts For ISO Strength Category 10.9 Coarse Thread M6 | 1.0 ~ 1.3 kgf·m (7.2 ~ 9.4 ft·lb) | p. 16 |
| Hydraulic Hose Fittings Union Nut (PF) 1/8 | 0.8 ~ 1.2 kgf·m (5.8 ~ 8.6 ft·lb) | p. 15 |
| Hydraulic Hose Fittings Union Nut (PF) 1/4 | 2.5 ~ 3.0 kgf·m (18.1 ~ 21.7 ft·lb) | p. 15 |
| Slew Bearing Backlash Standard Value | 60 ± 10 mm | p. 38 |
| Slew Bearing Backlash Permissible Value | 180 mm | p. 38 |
| Roller Axial Play Standard Value | 0.5 mm | p. 42 |
| Roller Axial Play Permissible Value | 1.0 mm | p. 42 |
| Overall Width | 2180 mm | p. 23 |
| Overall Length (Transport position) | 6420 mm | p. 23 |
| Slew Speed | 9.3 rpm | p. 23 |
| Fuel Tank Oil Capacity | 108 lit. | p. 23 |
Takeuchi TB62, TB68 Common Problems This Manual Covers
TB62 hydraulic pump grinding or whining noise, bucket and boom lose power under load
Check the troubleshooting procedures on page 163 for no-power conditions. Inspect the suction line and hydraulic oil for foaming or low level. Verify main pump discharge and control valve relief pressure; max relief setting is 210 kg/cm2 on the TB62 control valve (page 25). Replace the clogged suction strainer if pressure won't build.
Manual Section: Troubleshooting p. 163Erratic hydraulic response with rising oil temperature and increasingly sluggish cylinder movement
Drain and inspect hydraulic oil for water or metal contamination; total system capacity is 140 liters on the TB62 (page 23). Check seals at cylinder rods and fittings for ingress points. Flush the system and replace the return filter before refilling; contaminated oil accelerates pump and valve wear and won't resolve on its own.
Manual Section: Specifications p. 23Boom cylinder moves slowly or lacks power even at full engine throttle setting
Check the boom cylinder troubleshooting steps. Check subpump discharge pressure and joystick spool stroke first. Confirm the overload relief valve isn't stuck open, then test main relief pressure; it should hold at 210 kg/cm2 on the TB62 (page 25). Inspect boom cylinder packing for internal leakage if pressure reads correct but movement stays slow.
Manual Section: Operation of the boom cylinder is slow or without powerDamp patches or slow drips around hydraulic hose fittings and cylinder connections
Wipe down the fitting and re-check after ten minutes to confirm the leak source. Torque PF union nuts to spec: 3/8 inch fittings need 5.0 to 6.0 kgf·m (36.2 to 43.4 ft·lb), per the torque specifications on page 15. Replace any hose with visible cracking or bulging rather than just retightening; a swollen jacket means the reinforcement is already compromised.
Manual Section: General p. 15Slewing feels loose or notchy with excess play at the upper structure
Check slew bearing backlash with a dial indicator at the mounting bolts; standard value is 60 ± 10 mm, permissible limit is 180 mm (page 38). Measure bearing looseness too, standard is 0.5 ± 0.2 mm with a 2 mm permissible limit. Torque mounting bolts to spec and replace the bearing if readings exceed the permissible limit.
Manual Section: Specifications p. 38Track rollers running rough or noisy with visible side-to-side movement at the frame
Jack up the track and check roller axial play by hand; standard value is 0.5 mm with a 1.0 mm permissible limit (page 42). Inspect for oil weeping past the roller seal, a sign the bearing is already scored. Replace any roller past the permissible limit rather than shimming it, since worn rollers accelerate track wear.
Manual Section: Specifications p. 42Frequently Asked Questions
How to find torque specs for Takeuchi TB62 bolts?
The manual provides tightening torques for bolts and nuts based on ISO Strength Category 10.9. For example, an M6 coarse thread bolt should be tightened to 1.0 ~ 1.3 kgf·m (7.2 ~ 9.4 ft·lb), and an M20 coarse thread bolt to 40.0 ~ 51.0 kgf·m (289.3 ~ 368.8 ft·lb). p. 16
What is the total system capacity for hydraulic oil in the Takeuchi TB62?
The total system capacity for hydraulic oil in the Takeuchi TB62 is 140 liters (36.9 U.S. gallons). The hydraulic oil tank itself has a capacity of 124 liters (32.7 U.S. gallons). p. 23
What is the recommended interval for changing hydraulic oil?
The recommended interval for changing hydraulic oil is every 1,500 hours. This is listed under the general maintenance intervals for the machine. p. 45
What is the standard tension specification for the crawler belts on the Takeuchi TB62?
The permissible clearance between the frame lower surface and the shoe plate upper surface for crawler belt tension is 167 – 187 mm (6.6 – 7.4 in.) at the center. p. 39
What format is this Takeuchi TB62?
You get a 208-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Can I print this Takeuchi TB62?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
Are electrical wiring diagrams included in this Takeuchi TB62?
Complete wiring diagrams are included, covering all electrical circuits, harness routing, and connector pinouts for the Takeuchi TB62.
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