Tigercat 845C L845C Feller Buncher 2016 Service Manual – PDF Download
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Complete 580-page Tigercat 845C/L845C Feller Buncher service manual covering serial numbers 84511861 to 84512500 and 84521861 to 84522500. Issue 1.0, April 2016, with servicing procedures, preventive maintenance, hydraulic and pilot systems, electrical/computer diagnostics, Cummins QSL 9.0 engine and anti-stall information, cooling, track drive, boom, leveling, swing, saw drive, accumulator, clamps, wrist and power roof systems.
Description
Tigercat 845C L845C Feller Buncher 2016 Service Manual
The Tigercat 845C L845C Feller Buncher 2016 Service Manual – PDF Download is a detailed service reference for the 845C and L845C feller bunchers within the serial-number ranges shown in the manual. Issued in April 2016, it brings together safety information, preventive maintenance, system descriptions, hydraulic and electrical diagnostics, pressure and speed settings, component service procedures, adjustment information, schematics and repair data for the machine systems covered in the publication.
The manual identifies the 845C range as serial numbers 84511861 to 84512500 and the L845C range as 84521861 to 84522500. Tigercat also explains its shorthand 8451861 to 8452500, where the fourth digit distinguishes the machine model type. This makes the manual especially useful when confirming whether a machine falls within the intended service coverage before carrying out maintenance, troubleshooting or repair work.
File Details
- Manual type: Service Manual
- Brand: Tigercat
- Models: 845C and L845C Feller Buncher
- Serial range – 845C: 84511861 TO 84512500
- Serial range – L845C: 84521861 TO 84522500
- Issue: 1.0
- Date: April 2016
- Manual part number: 44739AENG
- Language: English
- Pages: 580
- File format: PDF
Chapters Covered
- Introduction
- Machine identification and serial numbers
- ROPS, TOPS, FOPS and OPS standards
- Non-approved field product changes
- Safety
- General, operating and servicing safety precautions
- Machine stability, traction and cable assist
- Felling trees, fire prevention and safety labels
- Using high-speed disc saws safely
- Lubrication and Maintenance
- Preventive and scheduled maintenance
- Filter and lubrication schedule and lubrication points
- Hydraulic oil, fuel tank and refuelling procedures
- Air conditioning, air intake and track maintenance
- Torque charts, fluid connection torque and pressure/speed settings
- Hydraulic System
- Main hydraulic system and hydraulic pumps
- Hydraulic oil tank, filters, breathers and hand fill pump
- Load sensing, margin pressure and flow on demand
- Main control valve/manifold and hydraulic schematics
- Pilot System
- Pilot circuit supply and pressure reducing valve
- Pilot manifold, accumulator and shut-off solenoid valve
- Joysticks, foot pedals and pressure testing/setting
- Pilot hydraulic and electrical circuit diagrams
- Electrical and Computers
- Battery, fuse and relay circuits
- MD3 computer system, modules and machine parameters
- Inputs, outputs, alerts and diagnostic messages
- Electrical schematics and computer-controlled functions
- Engine and Anti-Stall
- Starting and stopping the engine
- Cold weather starting
- Computer-controlled anti-stall operation
- Engine electrical circuit information and flex drive hub service
- Cooling System
- Cooling system components and fan circuit
- Charge air cooler
- Fan drive and cooling-system service procedures
- Track Drive
- Track drive system operation and travel speed control
- Final drive and track motor service
- Track speed setup and adjustment
- Track components, wear limits and retaining-bolt procedures
- Boom Functions
- Boom system description and control valve
- Hydraulic circuit, load sensing and engine anti-stall interaction
- Pressure gauge connections and port relief settings
- Typical cylinder cycle times
- Leveling
- Leveling control valve and hydraulic circuit
- Electrical and hydraulic schematics
- Cylinder speeds, tracking and ramp adjustments
- Pivot bearing service and leveler lubrication
- Swing
- Swing drive hydraulic circuit and priority swing valve
- Swing lubrication, pressure and speed settings
- Swing bearing backlash, wear limits and replacement
- Saw Drive
- Saw pump and saw control valve
- Saw circuit description
- Electrical and hydraulic circuit diagrams
- Accumulator, Clamps and Wrist
- Attachment pump and attachment valve
- Accumulator and clamp-arm circuits
- Wrist circuit and pressure settings
- MD3 and joystick controls, cycle-time and current adjustments
- Miscellaneous
- Power roof hydraulic circuits
- Electric and hand pump operation
- Power roof electrical schematic, sensor and MD3 roof-open alert
Across these sections, the Tigercat 845C/L845C service manual moves from machine-level system descriptions into component testing, settings, adjustment and service work. The coverage is particularly strong in hydraulics and electro-hydraulic control: the manual documents the main and attachment pumps, load-sensing operation, pilot supply, main and attachment valves, boom circuits, swing, track drive, saw drive, leveling and attachment functions, with circuit diagrams and pressure-setting procedures used to trace system behavior.
Maintenance, Service Data and Adjustments
The maintenance section provides a practical schedule extending from frequent and 8-hour checks through 24, 125, 250, 500, 1000, 1500 and 2000-hour service intervals, plus two-year and seasonal items. It covers lubrication points, filters, hydraulic tank service, oil sampling, air intake servicing, swing gearbox lubrication, track sag, fuel system service and cooling-related checks. The filter and lubrication schedule records capacities such as 36 L (9.5 US gal) for the cooling system, 190 L (50 US gal) for the hydraulic tank and 6 L (1.5 US gal) for each track drive gearbox. The fuel tank section specifies a total fuel capacity of 1003 L (265 US gal).
Service data is supported by machine-specific torque and adjustment information. The manual includes a dedicated 845C torque chart for cylinders, swing bearing, swing gearbox, engine mountings, pump drive, undercarriage and leveler fasteners, followed by general metric and imperial torque specifications and fluid-connection assembly torque tables. Track chain sag is specified at 102-152 mm (4-6 in) for normal operation, and procedures show how to measure and adjust it. Air-conditioning service information includes R134a refrigerant and PAG oil capacities, inspection points and belt-tension data.
Hydraulic and Electro-Hydraulic Troubleshooting
For hydraulic diagnosis, the manual provides pressure and speed settings alongside test-port locations and adjustment procedures. The main hydraulic section explains load sensing, margin pressure, standby pressure and the main control valve. Separate chapters then follow the pilot, track drive, boom, leveling, swing, saw and attachment circuits so a technician can work from the overall system into the affected function. Diagrams identify pumps, valves, manifolds, control lines and test connections rather than leaving diagnosis to isolated component descriptions.
The pressure and speed setting material includes data for the Cummins QSL 9.0 installation, pilot supply, main pump and valve, swing, final drives, saw pump and saw motor options, attachment pump and attachment valve. Because settings and procedures vary by circuit and configuration, the manual’s tables and test instructions are valuable when checking a symptom against the specified machine setup instead of relying on general assumptions.
IMAGES PREVIEW
Electrical, Computer and Engine Control Coverage
The Tigercat 845C L845C Feller Buncher 2016 Service Manual also gives substantial attention to the machine’s electrical and computer control system. The electrical chapter covers the MD3 display/control unit and associated modules, fuse and relay information, machine parameters, circuit diagrams, inputs and outputs, and fault or no-contact messages. This is useful when a hydraulic function depends on a computer command, interlock, module output or sensor signal rather than a purely mechanical fault.
The engine and anti-stall material explains starting and stopping sequences, cold-weather starting and the computer-controlled anti-stall system. Other system chapters show how engine speed, hydraulic demand and control signals interact during boom, swing, saw and travel functions. The manual therefore supports diagnosis across the boundaries between engine control, electronics and hydraulics rather than treating each system in isolation.
Forestry-Specific Service and Safety Information
Because these machines work in tree-felling applications, the publication includes service and safety material specific to feller bunchers. The safety section addresses hazard zones, machine stability, leveling machines, cable assist, hydraulic pressure hazards, welding precautions, fire prevention and safe servicing of the ER boom system. A dedicated appendix explains hazards associated with high-speed disc saws, including throw direction, saw housing types, high-angle wrist rotation, long wood-piece throws and saw-head practices.
The manual notes that the 845C and L845C are intended for harvesting trees, selective felling, thinning and final felling applications in plantations and natural stands. It also states that controls and operation are covered in a separate operator’s manual, while this service manual concentrates on safety, servicing procedures and preventive maintenance for the covered machines.
Get the Tigercat 845C/L845C Service Manual in PDF
The Tigercat 845C L845C Feller Buncher 2016 Service Manual – PDF Download gives technicians and machine owners the information needed to carry out scheduled maintenance, trace hydraulic and electrical faults, check pressure and speed settings, service track and swing components, work on boom and leveling systems, diagnose saw and attachment circuits, and follow machine-specific adjustment and torque procedures. Using the correct procedures, values and diagrams helps reduce guesswork during service and keeps repair work aligned with the specifications documented for these serial ranges.
Delivery is instant as a PDF after payment. There is no physical book and no shipping delay. The manual can be opened on a computer, tablet or phone and printed when a paper reference is useful in the workshop or at the machine.
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