Clark ESM 12, 15S, 15, 17, 20, 22, 25 Service Manual with Wiring Diagrams

Name: Clark ESM 12, 15S, 15, 17, 20, 22, 25 Service Manual with Wiring Diagrams
Author: Clark

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$39.99 USD · one-time payment

Model: ESM 12 | ESM 15S | ESM 15 | ESM 17 | ESM 20 | ESM 22 | ESM 25 | ESM 12-25

Type: Lift Truck

362 Pages·22 MB·Searchable PDF·English·Print-Ready

✓ Wiring Diagrams
✓ Hydraulic Schematics
✓ Torque Specs
✓ Multi-Level Bookmarks (3-level navigation)

Preview Sample Pages (PDF)

Download, file and refund questions: FAQ

The Clark ESM 12 service manual PDF takes the ESM electric lift truck down system by system across 362 pages, covering seven variants of the series from the ESM 12 and 15S up to the ESM 25. Control panel operation and troubleshooting fills roughly a third of the book, walking you through the drive control sequence and hydraulic control circuit with error code tables and fault-finding charts for checking each component. Wiring diagrams trace the power and control wiring, and hydraulic schematics map the circuit from the main pump through the main valve, selector solenoid valve and tilt cylinders, with upright, carriage shim, brake and steer axle procedures behind them. A healthy thermal protector reads 50 to 200 ohms, and the rated figure to check a 36 volt battery against is 28.8 volts. One missing value can park a truck mid-shift. Bookmarks and a searchable text layer take you straight to that figure, so your lift truck goes back to moving pallets.

What's Inside This Manual

System	Pages	Key Topics
How to Use This Manual	4-8	Group and Section, Component Specifications, Information Notes, Safety Messages, Index, Recommended Planned Maintenance and Lubrication Schedule, Safety Signs and Messages, Planned Maintenance Interval, Lubrication Schedule, Battery Maintenance, Drive Axle Fluid, Brake Adjustment, Upright Lubrication, Safety Signs, Notice, Caution, Warning, Danger
Planned Maintenance Program	9-20	Visual Inspection, Functional Tests
Battery Removal & Maintenance	21-23	Battery Removal and Handling, Battery Maintenance
Accelerator and Directional Control System	24-28	Accelerator and Directional Control Description, Control Handle Removal, Main Pump Motor Switch Check and Adjustment, Pump Motor Switch, Control Handle, Lift Switch, Lower Switch, Valve Spool Link
Electrical System and Components	29-32	Brake Interlock Switch, Electrical Assemblies, Control Wiring, Power Wiring, Battery Discharge Indicator
Electric Motor General Maintenance	33-52	Inspection Procedures, Brush and Commutator Inspection, Drive Motor, Main Pump Motor, Steer Pump Motor, Motor Description, Drive Motor Installation, Main Pump Motor Description, Main Pump Motor Inspection, Steer Pump Motor Description, Steer Pump Motor Removal, Steer Pump Motor Disassembly
Drive Motor Overhaul	53-63	Brush Removal and Inspection, Motor Disassembly, Motor Reconditioning, Drive Motor Cut-Out Switch Check and Adjust, Cut-Out Switch, Steering Tiller Arm, Cut-Out Cam, RH Switch, LH Switch
Control Panel	64-205	Control Panel Description, Control Panel Troubleshooting, Control Panel Removal, Control Panel Operation and Troubleshooting, Operation Sequence Drive Control, Hydraulic Control Circuit, Checking Components
Drive Axle	206-214	Drive Axle Maintenance, Drive Axle Removal, Drive Axle Disassembly
Cushion Wheels and Tires	215-231	Cushion Drive Tire Removal, Steer Wheel Removal, Pneumatic Drive Tire and Wheel Maintenance, Pneumatic Drive Tire Specifications, Pneumatic Drive Wheel and Tire Removal
Hydraulic Brake System	232-234	Brake System Description, Brake Bleeding Procedure
Brake Master Cylinder	235-253	Master Cylinder Operation, Master Cylinder Disassembly, Brake Slave Cylinder, Service Brake, Slave Cylinder Operation, Slave Cylinder Disassembly, Brake Operation, Knott Brake Inspection and Adjustment, Brake Shoe Replacement
Steering Gear	254-275	Steering Gear Description, Steering Gear Troubleshooting, Steering Axle, Power Steering Pump, Steer Torque Generator, Steering Axle Removal, Steering Pump Description, Steer Torque Generator Description, Steer Torque Generator Disassembly
Main Hydraulic Pump	276-303	Pump Description, Main Hydraulic Valve, Hydraulic System, Tilt Cylinder, Selector Solenoid Valve, Main Valve Description, Main Valve Troubleshooting, General Description, Hydraulic Sump Tank, Tilt Cylinder Removal, Tilt Cylinder Adjustment, Selector Valve Description
Upright	304-331	Upright Maintenance, Carriage Shim Inspection
Upright Removal	332-335	Truck Preparation
Counterweight	336-339	Counterweight Maintenance, Counterweight Installation
Machine Jacking & Blocking	340-346	Raising Drive Wheels, Blocking the Upright, Overhead Guard, Sheet Metal and Trim, Truck Data Plate and Decals, Overhead Guard Maintenance, Instrument Panel, Front Cover, Top Hood, Hydraulic Valve Cover, Side Pad, Floor Plate, Capacity Plate, Serial Number Plate, Warning Decal, Electrical Cleaning Instruction, Battery Specification Decal, Fork Safety Decal
Truck Data and Specifications	347-353	Power Supply Battery, Torque Chart
Hydraulic and Electric Diagrams	354-362	Hydraulic Diagram, Electrical Schematic, Electrical Diagram

Quick Reference Specifications

Specification	Value	Page
Control handle lever clamping screw torque	23-31 lbf-ft (2.5-3.5 Nm)	p. 27
Control handle horizontal clamping screw torque	15-20 lbf-ft (1.6-2.3 Nm)	p. 27
24 volt battery rated voltage	19.2 volts	p. 125
36 volt battery rated voltage	28.8 volts	p. 125
Thermal protector resistance	50 to 200 ohms	p. 135
1A Time adjustment	1.5 SEC.	p. 137
Axle shaft fastener torque	40 - 45 N·m (30 - 33 lbf·ft)	p. 219
Cylinder tube torque	40.7 N·m (30 lbf·ft)	p. 274
Pump body gear contact surface wear depth limit	0.012 mm (0.005 in.)	p. 280
Pump shaft seal installation depth	6 mm (1/4 inch)	p. 280
Drain pan capacity for hydraulic oil	13.5 L (3.5 gallon)	p. 289
1A Contactor Coil Resistance	19.55 ohms	p. 348

Brand	Clark
Model	ESM 12, ESM 15S, ESM 15, ESM 17, ESM 20, ESM 22, ESM 25, ESM 12-25
Machine Type	Lift Truck
Manual Type	Service Manual
Language	English
Format	Searchable PDF (Digital Download)
Pages	362
File Size	22 MB
Wiring Diagrams	Yes
Hydraulic Schematics	Yes
Torque Specifications	Yes
Bookmarked / Indexed	Yes

Clark ESM 12, 15S, 15, 17, 20, 22, 25 Service Manual with Wiring Diagrams

What's Inside This Manual

Quick Reference Specifications

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