Looking for a Fiat Kobelco SL35B, SL40B workshop manual PDF? All 680 pages of this factory manual (OEM #604.06.899.01) cover both compact loader variants, from the hydrostatic transmission to the boom and mounting plate. Inside: full wiring diagrams with electronic instrument cluster diagnostics, hydraulic schematics tracing oil flow through every spool position, and troubleshooting charts for the engine, brakes, axles, and final drives. You get step-by-step teardown and rebuild procedures for the hydrostatic pumps and motors, plus pressure tests for the charge system, case drain, and boom circuit. Set the main relief between 170 and 176 bar (2500 to 2600 PSI) and fill the system with API SH/CG-4 SAE 10W-30. No more bleeding a hydrostatic system by guesswork. Bookmarked for fast jumps and keyword-searchable; pull it up on your phone and get back under the machine.
What's Inside This Fiat Kobelco SL35B, SL40B Manual
| System | Pages | Key Topics |
|---|---|---|
| Additional Reference Manuals | 2 | Operation and Maintenance Instruction Manual, Spare Parts Catalog |
| Description of the Complete Workshop Manual | 3 | Machine Service, Engine Service, Service Equipment, Maintenance Standards, Disassembly Procedures, Assembly Procedures |
| Avoid Accidents | 4 | Safety Rules, Hydraulic Lift Cylinders, Mechanical Device |
| Content | 5-20 | Introduction, Company Policy, Parts and Accessories, Model Codes, Precautionary Statements, Safety Precaution Information |
| General Information | 21-54 | Machine Model Location, Engine Model Location, Hardware Torque Specifications, Adjustable Fittings, Hydraulic Tubes, Lubricants and Coolants |
| Engine | 55-162 | Engine Component Descriptions, Engine Model and Serial Number Location, Safety Precautions, Troubleshooting, Specifications - Service Standards, Torque Specifications |
| Hydrostatic Transmission | 163-264 | Operation, Specifications, Troubleshooting, Hydrostatic Drive System Testing, Hydrostatic System Oil Flow, Hydrostatic Charge System Pressure Test, Hydrostatic Pump Case Drain Test |
| Brakes and Controls | 265-284 | Specifications, Troubleshooting, Testing, Parking Brake, Parking Brake Removal and Inspection |
| Hydraulic System | 285-376 | Hydraulic System Compatibility, Boom Cylinder Pivot Pins, Boom Cylinder Pivot Pin Location and Machine Usage, Control Valve Power Beyond, Specifications, Troubleshooting |
| Towing Hooks and Ballasting | 377-378 | Rear Counterweights, Rear Counterweight Support Removal |
| Frames | 379-394 | Cab and ROPS, Cab and ROPS Removal, Cab and ROPS Reinstallation |
| Axles and Wheels | 395-428 | Specifications, Troubleshooting, Testing, Axles, Axle Housing Assembly Removal, Axle Disassembly, Axle Parts Inspection, Axle Reassembly |
| Cab Climate Control | 429-436 | Heater/Defroster |
| Electrical System | 437-600 | Definition of Terms, Adapting Attachments Requiring 12V Electrical Power, Specifications, Electrical Diagram, Advanced Warning System, Electronic Instrument Cluster |
| Front Loader (Boom and Mounting Plate) | 601-642 | Buckets, Boom Lock Pins, Linkage, Attachment Mounting Plate, Boom Cylinder Pivot Pins, Utility Fork |
| Accessories | 643-668 | Arm Pads, Armrests, Back-Up Alarm, Block Heater, Exhaust, Warning Light |
| Platforms, Cab, Bodywork, and Decals | 669-680 | Seat, Seat Pan Support, Safety Decals |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Minimum Hardware Tightening Torque (1/4 inch, SAE Grade 2, Unplated) | 55 inch pounds (6.2 Nm) | p. 30 |
| Minimum Hardware Tightening Torque (M4, Class 5.8, Unplated) | 15 inch pounds (1.7 Nm) | p. 31 |
| Hydraulic fluid | API SH/CG-4 SAE 10W-30 | p. 167 |
| Main system relief | 170 - 176 bar (2500 - 2600 PSI) | p. 288 |
| Relief valve opening pressure | 2.4 - 3.5 bar (35 - 50 PSI) | p. 69 |
| Stop solenoid torque | 15 - 20 N·m (11 - 15 ft. lbs.) | p. 71 |
| Filter Spin-on Canister | 10 micron | p. 292 |
| Hydraulic Oil | SAE 10W-30 API Service SH/CG-4 | p. 292 |
| Output (SL35B) | 40.1 LPM (10.6 US. GPM) | p. 292 |
| Output (SL40B) | 44.3 LPM (11.7 US. GPM) | p. 292 |
| Main System Relief Valve Torque | 51 N·m (38 ft. lbs.) | p. 293 |
| Solenoid (boom and bucket spool lock) resistance | 15 - 18 ohms | p. 450 |
Fiat Kobelco SL35B, SL40B Common Problems This Manual Covers
Engine will not start or cranks slowly, battery tests good and connections look clean
Check battery voltage and clean both cable ends before condemning the starter. Work through the engine troubleshooting chart starting. Test the starter solenoid next; pull-in draw should measure 1.5 to 1.8 amps, hold-in 1.3 to 1.7 amps. Do not use ether starting aids on this machine; the manual warns of explosion risk.
Manual Section: Engine TroubleshootingHydraulic oil runs hot and turns milky or foamy after a few hours of loader work
Drain the reservoir and refill with 18.9 L (5 US gal) of fresh SAE 10W-30 API SH/CG-4 if the oil looks milky; water contamination causes foaming and heat. Spin on a new 10 micron filter at the same time. Clean the cooler fins with compressed air and check for a collapsed suction line before running the machine hard again.
Manual Section: Hydraulic System Troubleshooting p. 51Boom and bucket controls dead, spool lock will not release with operator seated
Check the boom and bucket spool lock solenoids first; coil resistance on page 450 should measure 15 to 18 ohms. Test the seat belt switch circuit through the instrument cluster before replacing parts. Verify battery voltage actually reaches the solenoids with the operator seated and belt latched; an open switch keeps both spools locked.
Manual Section: Electronic Instrument Cluster (EIC) Troubleshooting p. 450Machine will not drive, or one side moves sluggish and the pump whines under load
Check the hydrostatic oil level first and top up with API SH/CG-4 SAE 10W-30 listed on page 167; the reservoir holds 18.9 L (5 US gal) total, and a starved charge circuit makes a pump whine. Trace oil flow against the schematic to isolate whether one pump section or drive motor is at fault.
Manual Section: Hydrostatic Transmission Troubleshooting p. 167Frequently Asked Questions
How do I clear fault codes on the Fiat Kobelco SL40B?
To clear fault codes, enter the Diagnostic Mode, press the 'ARROW' switch until 'CLr F' appears in the character display, then press and hold the 'OPEN BOOK' switch until 'CLEAr' appears. This will clear all fault occurrences from the fault history memory. p. 485
What is the torque specification for the wheel bolts on the Fiat Kobelco SL35B?
The wheel bolt torque specification for the SL35B is 170 N·m (125 ft. lbs.). p. 409
What is the replacement interval for the hydraulic oil filter?
The hydraulic oil filter must be replaced every 500 hours of operation. p. 371
How do you fix fiat Kobelco SL35B boom weak and slow, bucket will not lift a full load under power?
Check the reservoir oil level before anything else; the system holds 18.9 L (5 US gal) of SAE 10W-30. Replace the 10 micron spin-on filter if it has been in service. Test main relief pressure against the 170 to 176 bar (2500 to 2600 PSI) spec on page 288; a weak relief valve mimics a worn pump. p. 288
Will this Fiat Kobelco SL35B Workshop Manual download right away?
You download the Workshop Manual yourself: 680 pages, searchable PDF, available immediately. Keep a copy on every device you use.
Does this Fiat Kobelco SL35B manual allow printing?
Yes, print as many copies as you want, and there are no restrictions. Many mechanics print the section they need and bring it to the shop floor.
Can I find wiring schematics in this Fiat Kobelco SL35B manual?
Included. The Fiat Kobelco SL35B, SL40B Workshop Manual covers complete wiring harness diagrams, electrical circuits, and connector pinouts. There is one on page 72, for example.
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