Clark NPR 17, 20, 345 Service Manual with Wiring Diagrams

$39.99

Model: NPR 17 | NPR 20 | NPR 345
Type: Narrow Aisle Electric Stand-Up Rider Reach Truck
492 Pages·30 MB·Searchable PDF·English·Print-Ready
  • ✓ Wiring Diagrams
  • ✓ Hydraulic Schematics
  • ✓ Torque Specs
  • ✓ Multi-Level Bookmarks (3-level navigation)
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Clark NPR 17/20/345 wiring diagram showing battery, drive motor, steer control, accelerator, and EVT 15 card connections.
Clark NPR 17, 20, 345 Service Manual with Wiring Diagrams
$39.99

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Clark's NPR 17, NPR 20, NPR 345 service manual PDF takes the narrow aisle electric stand-up rider reach truck down to its last bearing across 492 pages, from traction motors to the pantograph. Wiring diagrams trace harness routing, connector identification and wire color coding, and the EV-T15 status code tables match each code to a symptom and possible cause. On the hydraulic side, you follow oil from the lift pump through the steering torque generator and lift control valve out to the reach cylinders, then rebuild every cylinder from tilt to free lift. Refill the hydraulic sump with approximately 8 gallons after a filter and strainer service, and torque traction wheel fasteners to 124 to 139 lb.ft. (168 to 188 N·m). Nothing stalls a wheel job like one missing torque value. Bookmarked and text-searchable, your copy goes wherever the truck is parked, whether that's aisle twelve or the charging room.

What's Inside This Clark NPR 17, NPR 20, NPR 345 Manual

SystemPagesKey Topics
Planned Maintenance Procedures15-63Lubrication Charts, Battery Service, Multi-Function Control Handle Switches, Visual Inspection, Operational Tests, Cleaning, Lubrication Chart Key, Cold Storage Applications, Standard Applications, Battery Handling, Battery Removal, Reach, Tilt & Aux. Switches
Electric Motors64-118Electric Motor Service, Traction Motor Service, Pump Motors, Auxiliary/Steer Pump Motor Service, Contactor Service, Motor Cleanliness, Brush and Commutator Inspection, Motor Disassembly, Component Inspection, Testing, Changing Brushes, Motor Reassembly, Trouble Shooting, Forward / Reverse Contactor
Electrical Sequence of Operation119-197Ev-T15 Solid State Control Status Code, Oscillator Card Settings and Tests, Steering Control Adjustments, Wiring Diagrams, Operational Sequence, Steering Function, Plugging, Travel Speed Limit, Solenoid Functions, Status Code Description, Symptom, Possible Cause, Status Indication Criteria, Factory Settings, Function Description, Actual Value, Preparation, Safety, Trim Pot Adjustment
Directional, Lift & Lower Switches and Transducer Adjustment198-207Forward Switch, Reverse Switch, Lift Switch, Lower Switch, Transducer Adjustment
Periodic Electrical Checks208-223Battery Inspection, Cable Connections, Harness Clamps, Contactor Tips, Ground Tests
Oscillator Card, Remove & Replace224-233Solenoid Control Card Troubleshooting, Mounting Bolts, Wiring Harness, Plug Connectors, Card Removal, Card Installation, Indicator Lights, Voltage Checks, Jumper Plug, Hydraulic Functions, Solenoid Coils
Axle Articulation Adjustment234-287Drive Unit Overhaul, Traction Wheel & Tire, Caster Wheel & Tire, Motor Brake, Caster Brake, Brake Bleeding Procedure, Brake Pedal Adjustment, Axle Stop Bolts, Mounting Block, Grease Fitting, Articulation Clearance, Gear Unit, Housing Lid, Crown Gear, Wheel Shaft, Conical Pinion Shaft, Helical Spur Gear, Wheel Fasteners, Tire Pressing, Wheel Bearings, Torque Sequence, Bearing, Nut Lock, Hub Cap
Hydraulic Pressure Checks288-292Test Port, Adaptor, Relief Valve, Spring, Adjustor, Pressure Gauge
Hydraulic Sump Tank, Filter and Strainer Service293-306Hydraulic Schematic, Hydraulic Pump Overhaul, Sump Tank, Breather Cap, Fill Pipe, Tank Strainer, Filter Element, Gasket, Lift Pump, Hydraulic Pump, Steering Torque Generator, Lift Control Valve, Solenoid Valve, Reach Cylinders, Preparation, Pump Disassembly, Parts Inspection, Pump Reassembly
Hydraulic Control Valves & Solenoid Control Valves, Remove & Replace307-371Auxiliary Reach & Tilt Valve Overhaul, Lift Control Valve Overhaul, Lowering Solenoid Valve, Auxiliary Solenoid Valve, Reach & Tilt Selector (Solenoid) Valves, Side Shifter Solenoid Control Valve, Truck Preparation, Control Linkage, Removal of Hydraulic Lines, Lift Auxiliary Reach & Tilt Control Valves, Flow Regulator, Auxiliary and Lowering Solenoid Valves, Valve Cut-A-Way, Cleaning, Hose Routing
Tilt Cylinder Overhaul372-385Reach Cylinder Overhaul, Piston Rod, Gland Assembly, Wiper Ring, Seals, Back-Up Rings, Shear Ring
Upright & Pantograph386-461Upright & Pantograph Remove & Replace and Roller Shim Adjustments, Pantograph & Fork Carriage R&R and Roller Shim Adjustments, Rail Lift Cylinder Overhaul, Free Lift Cylinder Overhaul, Lift Fork Inspection, Lift Chains, Load Wheels, Overhead Guard, Safety Screen, Hydraulic Lines, Rail Assemblies, Carriage Rollers, Forks, Fork Bar, Scissor Arms, Bell Crank, Pivot Shafts, Arm Rollers, Snap Ring
Specifications462-474Travel Speeds, Lift Speeds, Lowering Speeds, Electrical System Specifications, Hydraulic System Specifications, Fastener Torque Specifications
Service Weights475-478Battery Compartment Weight, Minimum Battery Weight, Load Weight, Total Weight, Front Axle Weight, Rear Axle Weight
Lubricants and Shop Supplies479-492Gasket Products, Adhesive Products, Cleaning Products, Lubricants, Threadlocker Products, Sealants

Quick Reference Specifications

SpecificationValuePage
Drive wheel fasteners torque124 - 139 LB. FT. (168 - 188 N·M)p. 18
Traction wheel fastener torque124 - 139 lb.ft. (168 - 188 N·m)p. 261
Caster wheel bearing nut initial torque300 lb.in. (33.9 N·m)p. 266
Brake backing plate mounting bolt torque240-300 lbs. in.p. 279
Sump capacityapproximately 8 gallonsp. 295
Pump cap screw torque34 - 38 lb.ft.p. 306
Shaft seal installation depth1.52 mm (1/16")p. 306
Lift control circuit relief valve setting2650 to 2750 psip. 292
Hydraulic fluid operating temperature110 to 130° Fp. 291
Plug Torque8 - 10 Lb. Ft. (10.8 - 13.6 N·m)p. 322
Cap Torque20 - 25 Lb. Ft. (27.1 - 33.9 N·m)p. 322
Tilt Cylinder Piston Rod Nut Torque201 to 230 lb.ft. (273 - 312 N·m)p. 376
BrandClark
ModelNPR 17, NPR 20, NPR 345
Machine TypeNarrow Aisle Electric Stand-Up Rider Reach Truck
Manual TypeService Manual
LanguageEnglish
FormatSearchable PDF (Digital Download)
Pages492
File Size30 MB
Wiring DiagramsYes
Hydraulic SchematicsYes
Torque SpecificationsYes
Bookmarked / IndexedYes