Clark TMX12-25 EPX16-20s Electric Forklift Service Manual SM-715 – PDF Download

Description

Clark TMX12-25 EPX16-20s Service Manual SM-715

This is the Clark SM-715 service manual covering the TMX12-25 and EPX16-20s electric counterbalance lift truck families. It is the same body of service information Clark service organizations use to maintain, diagnose, adjust and overhaul these AC electric trucks, organised into the standard Clark Group structure so a specific job can be located quickly. Whether you are chasing a motor control fault code, rebuilding a drive axle, re-shimming an upright or simply running a planned maintenance inspection, the procedure and the numbers are in this Clark TMX12-25 EPX16-20s service manual.

File Details

• Manual type: Service Manual (workshop / repair)
• Brand: Clark Material Handling
• Document number: SM-715
• Models covered: TMX12, TMX13, TMX15, TMX15s, TMX17, TMX18, TMX20, TMX20x, TMX25, EPX16, EPX18
• Language: English
• Format: PDF (instant download)
• Revision dates referenced: Dec ’04, Mar ’05, Jun ’05, Jul ’05, Jun ’06

Chapters Covered in the SM-715 Manual

• SA – Safe Maintenance: safety signs and messages, safe maintenance practices, lifting, jacking and blocking the truck, towing
• PS – Periodic Service: maintenance schedules, TMX and EPX service charts and lubrication points, planned maintenance program, PM inspection form
• 12 – Battery: battery service, removal, maintenance, vents, cleaning, charging, electrolyte, specific gravity test, load test, connector and static chain installation
• 13 – Wiring, Switches and Instruments: schematic electric circuit diagrams, general electrical service tips, wiring and cables, switches and sensors, instrument panel and dash display
• 16 – Electric Motors: motor specifications and descriptions, drive motor overhaul, pump motor overhaul, encoder bearing replacement
• 17 – Contactors: contactor specifications, removal, replacement and contact tip overhaul
• 19 – Motor Controls: description, programming and adjustments using the ZAPI handset, control troubleshooting and fault codes, TMX factory control settings, sequence of operation
• 20 – Drive Axle: specifications and description, fluid check and change, troubleshooting, removal and installation, full overhaul
• 22 – Wheels and Tires: specifications and description, mounting and maintenance, cushion and pneumatic tire service
• 23 – Brake System: specifications, fluid check/fill/bleed, brake pedal and master cylinder, caliper removal and replacement, parking brake, brake overhaul
• 25/26 – Steer System: specifications and description, troubleshooting, steering column and components, relief pressure check and adjustment, steering gear overhaul (TMX and EPX), steer axle service, steer cylinder overhaul
• 29 – Main Hydraulic System: specifications and description, fluids and filters, troubleshooting, pressure checks and adjustments, main hydraulic pump overhaul
• 30 – Main Hydraulic System: hydraulic system schematic, main hydraulic control valve removal and overhaul
• 32 – Tilt Cylinders: specifications and description, checks and adjustments, removal and installation, tilt cylinder overhaul
• 34 – Uprights: specifications and description, troubleshooting, upright inspection, carriage and upright roller clearance and shim adjustment, cylinder removal/shimming/overhaul, chain inspection and adjustment, fork and carriage removal, upright removal and replacement
• 38 – Counterweight and Chassis: counterweight specifications, removal and installation, overhead guard, floor plate, seat and seat deck
• 40 – Specifications: nameplate and decals, general specifications, hydraulic fitting tightening procedure

Together these Groups walk the truck from the battery receptacle through the traction and pump controllers, out to the AC drive motors, the two independent drive axle housings, the caliper brakes and the steer axle, and forward into the hydraulics, tilt cylinders and upright assembly. The wiring, hydraulic and control sections are supported by full schematic diagrams and exploded component views, and the fault code tables cross-reference each code to the controller that reports it – master, slave or pump – with a troubleshooting path and the action required.

Highlights for the Working Technician

Electric trucks live or die by their control systems, and the Clark TMX12-25 EPX16-20s repair manual devotes a full Group to the Dual AC traction control and the single AC pump control. It explains what the master, slave and pump controls do, how the steer angle sensor feeds a speed differential between the left and right drive motors during cornering, and how the traction and pump controllers communicate over the CAN-Bus. Handset procedures are given step by step for programming the accelerator, the lift potentiometer and the steer angle sensor, so a replacement control can be set up in the truck rather than sent out.

The fault code section lists the codes the dash display can show across all three controllers and then explains each one: what triggered it, what to measure, what to test, and when the controller itself has to be replaced. Codes such as -01 for an open seat switch, -66 for low battery with lift lockout, -77 for maintenance hours, -79 for an incorrect start sequence and -255 for the parking brake switch are described alongside the hardware faults – VMN low and high, encoder errors, contactor closed and open, capacitor charge, motor over-temperature, and CAN communication loss between the controllers.

Mechanical work is covered with the same depth. The drive axle Group treats each side as a separate housing with its own pinion, ring gear, ring gear shaft and axle shaft, and gives bearing preload values, shim selection, backlash measurement and the spiral bevel tooth contact pattern chart. The upright Group covers lift chain elongation limits, chain length adjustment for standard, triple-stage and Hi-Lo masts, roller side clearance measurement with the target and allowed gaps tabulated, shimming, cylinder shimming to stop racking, and drift testing. Brake, steer, tilt cylinder and hydraulic valve Groups each carry their own removal, overhaul and adjustment sequences with torque values called out at the point of use.

Specifications You Will Reach For

Group 40 consolidates the general specifications, and the individual Groups carry the numbers that matter on the job: motor terminal nut torque and nominal air gaps, drive axle fluid type and capacity with axle-to-frame mounting bolt torque, brake fluid type and minimum lining thickness, pedal freeplay, steering relief pressure, main and auxiliary hydraulic relief settings, flow control adjustment turns, tilt cylinder drift limits, lift speeds and turning radius, and the critical fastener torque table. The hydraulic fitting tightening procedure is given its own Section because getting it wrong on a 3000 psi system causes real damage.

Who This Clark EPX16-20s Service Manual Is For

This Clark SM-715 manual suits forklift technicians, fleet maintenance departments, and independent workshops servicing TMX and EPX series electric trucks, as well as owners who want to understand what their service provider is doing and why. It assumes the reader is trained and works with proper lifting and blocking equipment – the Safe Maintenance Group, the jacking and blocking procedures and the towing instructions are all included and should be read before any component is pulled.

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Instant PDF Delivery

Your copy of the Clark TMX12-25 EPX16-20s Service Manual SM-715 arrives as an instant PDF download once payment clears, with no shipping and nothing to wait for in the post. Open it on a laptop in the workshop, a tablet on the machine, or a phone in the pit, and print the pages you need for the job at hand. With the complete Group structure, the ZAPI handset programming sequences, the full fault code tables and the torque and clearance specifications for both the TMX and EPX trucks in one file, this Clark electric forklift service manual gives you the procedure, the numbers and the diagnostic path to get the truck back into service correctly.