HWH Corporation
(On I-80, Exit 267 South)
2096 Moscow Road
Moscow, Iowa 52760

Phone: (563)724-3396 or (800)321-3494
Fax: (563)724-3408

Business Hours: 8 a.m. - 5 p.m. Central Time (M-F)

The World's Largest Manufacturer
of RV Leveling & Room Extension Systems
HWH Online Technical School

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This section is meant as an educational aid and does not constitute complete technical training, if you have any questions or need clarification please email us .

General Technical Review
Introduction to Hydraulics
Basic hydraulic information - (Study before proceeding to Hydraulics & HWH.)

Hydraulics and HWH systems
Review of basic hydraulics and the adaptation of hydraulics into HWH systems

Introduction to Electronics
Basic electronics and the adaptation of electronics into HWH systems

Air Suspensions and HWH
Basic air suspension information and how air suspensions interact with HWH systems.

Educational manuals and papers
Manuals or papers written for the explanation and/or diagnostics of systems, components or different operations within a system or component.

Motor Coach and Motorized Vehicle Systems
Hydraulic Leveling System Identification and Operation
How to identify different hydraulic leveling systems and the basic operation of each system. This includes all past and present systems.

Air Leveling system Identification and Operation
How to identify different air leveling systems and the basic operation of each system. This includes all past and present systems.

Active Air Suspension Systems with System Control Module
Identification and operation of the Active Air Suspension and the System Control Module.

Room Extension Identification and Operation
How to identify the different room extension mechanisms and the basic operation of each mechanism. This includes all past and present mechanisms.

Specialty Slide and Lift Mechanism Identification and Operation
How to identify different specialty mechanisms such as step covers, bed lifts or generator slides.

General Diagnostic Techniques and Information
Diagnostic and trouble shooting information along with access to service manuals.

Horse & Specialty Trailer Systems
Hydraulic Leveling System Identification and Operation
How to identify different hydraulic leveling systems and the basic operation of each system. This includes all past and present systems.

Room Extension Identification and Operation
How to identify the different room extension mechanisms and the basic operation of each mechanism. This includes all past and present mechanisms.

Specialty Slide and Lift Mechanism Identification and Operation
How to identify different specialty mechanisms such as step covers, bed lifts or generator slides.

General Diagnostic Techniques and Information
Diagnostic and trouble shooting information along with access to service manuals.

RV Trailer Systems
Hydraulic Leveling System Identification and Operation
How to identify different hydraulic leveling systems and the basic operation of each system. This includes all past and present systems.

Room Extension Identification and Operation
How to identify the different room extension mechanisms and the basic operation of each mechanism. This includes all past and present mechanisms.

Specialty Slide and Lift Mechanism Identification and Operation
How to identify different specialty mechanisms such as step covers, bed lifts or generator slides.

General Diagnostic Techniques and Information
Diagnostic and trouble shooting information along with access to service manuals.