CLARK NPR-17 / NPR-20 / NPR-345 Forklift Service Manual (SM-587) – PDF

Description

CLARK NPR-17 / NPR-20 / NPR-345 Forklift Service Manual (SM-587) – PDF DOWNLOAD

Description

This is the CLARK Factory Service Manual (SM-587) for NPR-17 / NPR-20 / NPR-345 trucks—built for technicians who need real diagnostic steps, adjustment procedures, wiring diagrams, hydraulic schematics, and complete overhaul instructions.

Whether you’re doing routine PM service or troubleshooting travel/lift/steering issues, this manual gives you the proper procedures to keep the truck running safely and efficiently.

🧭 What’s Inside (Neatly Organized)

✅ Planned Maintenance & Lubrication

• Planned Maintenance (PM) procedures with check sheets and inspection coding

• Walk-around inspections, operational tests, cleaning procedures

• Lubrication charts, lubricants, and shop supplies

✅ Battery & Operator Controls

• Battery service and storage battery handling

• Multi-function control handle switch service

• Directional, lift & lower switches + transducer adjustments

✅ Electrical System, Controls & Diagnostics

• Electric motor service (general)

• Traction motor service

• Pump motors (24V & 36V)

• Auxiliary/steer pump motor service

• Contactor service (control panel)

• Electrical sequence of operation

• Solid-state control status codes (EV-T15)

• Oscillator card settings, tests, remove/replace

• Steering control adjustments (EV-type steering system)

• Wiring diagrams

• Periodic electrical checks & troubleshooting guidance

• Solenoid control card troubleshooting

✅ Drive Unit, Axle, Wheels & Brakes

• Axle articulation adjustment

• Drive unit overhaul (disassembly & reassembly)

• Traction wheel/tire + caster wheel/tire service

• Motor brake + caster brake service

• Brake bleeding procedure

• Brake pedal adjustment

✅ Hydraulic System (Pressure Checks, Schematics, Overhauls)

• Hydraulic pressure checks (steering, lift, auxiliary circuits)

• Hydraulic sump tank, filter, and strainer service

• Hydraulic schematic

• Hydraulic pump overhaul

• Hydraulic control valves & solenoid control valves (remove/replace)

• Reach & tilt control valve service/overhaul

• Lift control valve overhaul

• Lowering solenoid valve service

• Reach & tilt selector valves

• Side shifter solenoid control valve (if equipped)

✅ Cylinders, Upright, Pantograph & Lift Components

• Tilt cylinder overhaul

• Reach cylinder overhaul

• Upright & pantograph remove/replace + roller shim adjustments

• Pantograph & fork carriage service + roller shim adjustments

• Rail lift cylinder overhaul

• Free lift cylinder overhaul

• Lift fork inspection

• Lift chains inspection/lubrication/specs

• Load wheel service procedures

✅ Specs & Reference

• Specifications listing

• Service weights

• Lubricants and shop supplies

📋 File Details

⚠️ Quick Note (1–2 balanced negatives)

• This is a service/workshop manual (not an operator’s guide).

• Being scan-based, small wiring labels may require zooming.

Skip the guesswork—use the correct factory procedures for diagnostics, wiring, hydraulics, and overhaul from one complete manual. Instant download—start fixing your CLARK NPR truck today.