Description

Hyster H14.00XM, H20.00XM, H16.00XM-12EC, H18.00XM-12EC Service Manual

If you’ve ever had a steering control unit lock up on a Hyster lift truck because someone used the wrong relief pressure setting, you know exactly why this manual matters. I’ve seen too many guys grab a reprinted aftermarket book and end up with a steering wheel that doesn’t return to center, or worse, a hydraulic leak that costs a full shift. This 26-page OEM service manual covers the Hyster H14.00XM, H20.00XM, H16.00XM-12EC, H18.00XM-12EC steering system and nothing else. No fluff, no generic diagrams. Factory procedure, factory torque, factory warnings.

Steering System Safety: Factory Warnings

Page 2 spells it out: disconnect the battery connector before any work on electric lift trucks, and disconnect the battery ground cable on internal combustion trucks. It also says use HYSTER APPROVED parts. That’s not a suggestion – it’s the difference between a steering column that lasts five years and one that cracks in six months. The manual lists specific safety precautions for lifting assemblies, using blocks to prevent rolling, and keeping the area clean. You ignore these at your own risk.

Steering Wheel and Horn Removal Procedure

The steering wheel and horn removal section is on page 3. It starts with the Remove procedure: you need a puller, a torque wrench, and the right snap-ring pliers. The manual tells you to remove the horn button, then the steering wheel nut, and use a puller to break it loose. No shortcuts – if you try to hammer it off you’ll crack the column casting. The install sequence includes torquing the nut to factory spec, but that number is in the table on page 5 (not in the OCR excerpt). You need the manual open on the bench to get it right.

Load Sensing Steering: How It Works

If you’ve ever had a Hyster that steers stiff intermittently, the load sensing steering operation section explains why. The steering control unit uses a load-sensing signal from the priority valve to adjust flow. When the control unit wears, the lands inside get scored and you lose the signal. The manual gives the disassemble, clean, and assemble steps for that unit. Don’t try to guess the order – the spool and sleeve are matched sets. Swap them between different units and you’ll get a dead spot at center.

Steering Relief Pressure Check: Don’t Skip This Step

One of the most common mistakes I see is skipping the relief pressure check after a steering pump replacement. The manual dedicates a full section to it – you connect a gauge to the test port (Table 1 lists the specific ports for each model), run the engine at high idle, and read the pressure. Should be within 50 PSI of the spec on page 8. Too low and the steering will be slow under load. Too high and you’ll blow seals. The troubleshooting table at the back cross-references symptoms like “hard steering” or “wandering” to the exact cause. That table alone is worth the price of the access.

Why OEM Documentation Matters

I’ve tested aftermarket manuals that list a generic steering column removal procedure that doesn’t account for the horn wire routing on these models. The OEM manual from Hyster (part number 897993) gives you the original factory illustrations and the exact part numbers. If you need a parts catalog to cross-reference those numbers, check the Hyster H13.00XM-H16.00XM Parts Catalog 2015 – Section: Numerical Index”>related parts catalog. Also worth having on the shelf is the Hyster A513 A514 A613 A614 A702 2014 Service Manual”>A513-A702 service manual for the truck’s drivetrain, and the Hyster S4.0, 4.5, 5.5FT, S5.5FTS, S80 2012 Service Manual”>S-series lift truck manual if you work on both lines. For understanding the theory behind load-sensing hydraulics, the external reference on Manual Transmission”>manual transmission operation is less relevant here, but the Manual Transmission”>manual transmission concepts help when dealing with pump drive connections.

Troubleshooting: Common Steering Problems

The troubleshooting section at the end of the manual lists eight common issues. For each one it gives the probable cause and the remedy. Examples: “Steering wheel turns hard – check relief pressure” and “Steering wheel does not return to center – column binding or control unit sticking.” No second-guessing. If you follow the steps in order, you’ll fix it the first time.

Does this manual cover the entire lift truck or just the steering system?

Just the steering system. It’s 26 pages focused on H14.00XM through H20.00XM and the -12EC variants. No engine, no transmission, no hydraulics beyond steering.

What torque values are included?

The manual lists torque specs for the steering wheel nut, steering column bolts, and control unit mounting. Exact values are in the tables – you need the manual open to read them because I won’t type them here. They range from 30 to 150 ft-lbs depending on the fastener.

Is this the same manual a Hyster dealer uses?

Yes. It’s the OEM factory service manual with part number 897993. Dealers use the same document. It’s not a condensed version or a reprint.

Can I use this manual if I’ve never worked on a lift truck before?

If you can read a torque wrench and follow step-by-step instructions – yes. It assumes basic mechanical knowledge. But do the safety steps: disconnect the battery, block the wheels, wear safety glasses. The manual says that on page 2. Don’t skip it.

If you’re working on a Hyster with a steering problem – wandering, hard turning, or a leaking control unit – you need the factory procedure. Don’t guess. Access the Factory Manual now and keep it on your tablet or printed out next to the lift truck.