STILL R20 Electric Fork Truck Service Manual 2001-2007
Still Models Covered & Key Technical Specifications
Models: STILL R20-15, STILL R20-16, STILL R20-17, STILL R20-20
Model Years: 2001–2007
Technical Data:
- Engine type: Electric drive system
- Gearbox ratio: 20.07:1
- Steering unit type: Hydrostatic power steering
- Steering pump capacity: 40 cc/round
- Steering pressure relief valve: 70 bar
- Steering shock cushioning valve: 120 bar
- Steering wheel lock angle: 80°–82°
- Tire types: Pneumatic, Superelastic (puncture-proof)
- Steer axle mounting bolt torque: 195 Nm
- Wheel hub bolt torque: 86 Nm, 145 Nm (variant dependent)
Still Manual Features & Content Preview
- Covers the 2001–2007 STILL R20 series electric fork trucks, encompassing the R20-15, R20-16, R20-17, and R20-20 models
- Official 246-page STILL workshop publication (Ident. Nr. 171 085 - 01.06, released January 2006)
- Features 58 exploded-view diagrams, 8 detailed electrical schematics, 14 torque specification tables, and 4 troubleshooting summaries for comprehensive repair reference
- Integrates updated specification sections for 2007 model year revisions and specific maintenance data for the entire R20-15 through R20-20 lineup
Component and System Documentation
This publication provides a thorough breakdown of the chassis frame, steering axle, drive units, and electrical control systems. It details the mechanical configuration of the steering axle. You will find specifics on steering cylinder mounting, toothed rack function, and steering turntable bearing assembly. The manual also outlines trail wheel hub construction, gear box reduction drives, and the operational logic behind the electronic steering and drive pulse controllers.
Specification and Reference Data
Factory reference values for critical components are listed throughout the documentation to support accurate diagnostics and part replacement. Main-circuit and control-circuit fuse ratings, steering pressure relief valve settings (70 + 5 bar), and drive gearbox torque loadings are clearly documented. For example, it specifies the required torque for steering turntable mounting bolts at 195 Nm, alongside wheel hub bolt requirements that vary by model. Electrical data includes sensor pick-up reference values and pulse controller operating voltages for both 24-volt and 48-volt systems. Prior to initiating any service or diagnostic work, ensure you consult a certified technician and observe all standard shop safety protocols, as working on high-voltage fork truck systems presents serious hazard risks. This technical manual serves as an essential descriptive resource for planning any major overhaul or routine repair.
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